May 2014 Outcrop

OUTCROPNewsletter of the Rocky Mountain Association of Geologists

Volume 63 • No. 5 • May 2014

May 20142Vol. 63, No.5 2

www.rmag.org3OUTCROP

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The Outcrop is a monthly publication of the Rocky Mountain Association of Geologists910 16th Street, Suite 1214 • Denver, CO 80202

The Rocky Mountain Association of Geologists (RMAG) is a nonprofit organization whose purposes are to promote interest in geology and allied sciences and their practical application, to foster scientific research and to encourage fellowship and cooperation among its members. The Outcrop is a monthly publication of the RMAG.

The Rocky Mountain Association of Geologists910 16th Street • Suite 1214 • Denver, CO 80202 • 303-573-8621

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OUTCROP

President – Matt Silverman [email protected]

President-Elect – Marv Brittenham, [email protected]

1st Vice-President – Michael Dolan [email protected]

2nd Vice-President – Michelle Bishop [email protected]

Secretary – Nick Nelson [email protected]

Treasurer – Reed Johnson [email protected]

Treasurer Elect – Paul Lillis [email protected]

Counselor (2 Year) – Laura L. Wray [email protected]

Counselor (1 Year) – Terri Olson [email protected]

2014 Officers and Board of Directors

RMAG Staff Executive Director Carrie Veatch, MA [email protected]

Accountant Carol Dalton [email protected]

Managing EditorKristine Peterson [email protected]

Associate EditorsHolly Sell [email protected]

Greg [email protected]

Cheryl Whitney [email protected]

Design/ProductionDebbie Downs [email protected]

Wednesday Noon Luncheon Reservations RMAG Office: 303-573-8621Fax: [email protected] www.rmag.org

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May 20144Vol. 63, No.5 4

RMAG March Board of Directors MeetingBy Nick Nelson, Secretary ([email protected])

The 2014 board meeting was held on March 19th, 2014. As you may have read in last month’s Outcrop, John South has passed the responsibilities of secretary on to me for the remainder of the year. I hope to keep all of the members in the loop on the important topics discussed during the monthly board meetings. This was my first meeting and the rest of the board was considerate enough to start off the meeting a little slower than normal so I could keep up with the minutes. That slow down only lasted about 5 minutes because there was much to talk about, the other board members were soon off to the races giving updates on all of the committees and events.

The financial report was given by Reed Johnson, the numbers from this year’s 3D Seismic Symposium were very good and the word on the street is the event was an outstanding success. It continues to grow in popularity and financials showed that.

The new RMAG Recreational committee was formed and we are all lucky that Dan Spenser has agreed to chair this committee. Dan will be overseeing the increasing amount of extracurricular activities that the organization is sponsoring and will include excursions that are more

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focused towards recreation but which formerly were managed by our Continuing Education committee. The grey area with these events is anyone who attends a function with more than one geologist involved knows that sooner or later the topic of conversation will turn to lystric faults and accommodation space.

Mike Dolan and the publications committee are continuing work on existing publications as well as some very interesting new ideas that will be released in the coming months. The meeting also included a lengthy discussion on what types of RMAG publications should stay in physical print and which ones will remain in digital distribution. The positive side of having some forms of distribution in the digital medium is the incredible cost savings. These savings are in an effort to keep the yearly membership dues reasonable for everyone and being able to deliver even more information in a convenient and efficient manner.

RMAG has always been an organization that is built on our outstanding members, with a multitude of programs gearing up for the rest of 2014, we can always use volunteers so please let us know if you would like to help.

»


C O N T E N T S

OUTCROP

Volume 63 • No. 5 • May 2014

COVER PHOTOChimney Rock, on Owl Creek Pass,

east of Ridgway, Colorado. For geologists: Tertiary volcanic tuff capped by welded tuff. For moviegoers: the backdrop for one-eyed John Wayne, on a horse, with two six-guns, yelling to Ned Pepper "Fill your hand you son-of-a-bitch". Photo by Phil Orlandini.

Newsletter of the Rocky Mountain Association of Geologists

Features 7 RMS/AAPG Cracking The

Source Early Bird Registration13 Lead Story: On the Rocks

Field Trips for 2014 24 Mineral of the Month: May27 Essequibo in My Ear31 Public Issues Committee

(PIC)34 Did You Work on "The Big Red

Book"?

association news16 2014 RMAG Dues Renewal17 2014 Award of Excellence for

Teaching of Earth Science19 Thank You to 2013

Foundation Donors20 Geoland Ski Day 201422 Save the Date!23 Early Alert-RMAG Publication:

Oil & Gas Fields of Colorado32 Why we no longer print The

Mountain Geologist and Outcrop publications

33 Tectonic GIS Data from the Geologic Atlas of the Rocky Mountain Region

34 Volunteer Position Open - Aide to the Executive Editor for The Mountain Geologist

35 Authors and Editors Needed: RMAG Oil & Gas Fields of Colorado

35 Connect with RMAG Online!

35 Save the Date!36 Two Positions Open for

Assistant Editors to The Mountain Geologist

37 2014 RMAG On the Rocks Field Trip

38 Thank You to Our 2014 3D Seismic Symposium Sponsors and Exhibitors!

39 RMAG 2014 Summit Sponsors

41 Submit a Manuscript to The Mountain Geologist

Departments 4 RMAG March Board

of Directors Meeting 6 President's Column25 RMAG Luncheon

Programs36 New Members40 In the Pipeline42 Advertisers Index42 Calendar of Events

May 20146Vol. 63, No. 5

LeadershipAre we taking over the world, or at least the state of Colorado?

President’s ColumnBy Matt Silverman

The Rocky Mountain Region is blessed with many geoscientists who are leaders in public affairs, outside the realm of their scientific backgrounds. Among them are two in Denver whose highly visible roles make me proud to share a profession with them. This month let’s visit University of Colorado President Bruce Benson, and President/CEO of Planned Parenthood of the Rocky Mountains Vicki Cowart. Later in the year: Colorado Governor John Hickenlooper.

Bruce Benson celebrated his sixth anniversary as CU president this winter, to become the university’s longest-serving president in 50 years. How does a former petroleum geologist enjoy this staying power in higher education? “He thinks like an engineer as much as a geologist,”

laughed Paul Weimer, who holds the Benson Endowed Chair in CU’s Department of Geological Sciences. “He’s a problem-solver. That’s the secret.”

Bruce presides over a four-campus system (Boulder, Auraria, Fitzsimons and Colorado Springs) with nearly 60,000 students in degree programs and a budget exceeding $3 billion. He earned his bachelor’s degree in geology from CU in 1964, and a scant forty years later was granted an Honorary Doctorate of Humane Letters from CU, as well. In between, he had a career that spanned oil exploration, banking, real estate development and, famously, politics. He was the chairman of the Colorado GOP from 1987-93 and ran an unsuccessful campaign in 1994 to become the State’s governor.

In 2008, Bruce was named CU president in the face of strong opposition from some CU faculty, students and community members due to his lack of academic background, straightforward personal style, and his close connections to both party politics and the oil and gas industry. The football program at the flagship

campus has shown - shall we say - mixed results in the interim, but CU’s research funding has grown to record-setting levels. Late last year CU announced that it had raised $1.5 billion as part of Benson’s "Creating Futures" campaign. Its strengths in professional programs, the physical sciences and engineering have led to consistently high national rankings. Benson’s prowess with funding and hands-off approach to faculty responsibilities has meant that even skeptics on the partisan Board of Regents have come around.

Bruce and his wife Marcy also personally donated funds to build the Benson Earth Sciences building at CU Boulder, in addition to the Bruce Curtis Building which hosts the Museum of Natural History and is named for RMAG Honorary Member and Past President, the late Prof. Bruce Curtis. Benson tells the story that while he was at CU he bought leases and a small rig, and he started mapping and drilling the Skinner Sand play in SE Kansas. When he took his map of 10 producers and just one dry hole to Dr. Curtis, his Master’s thesis advisor, Curtis encouraged him not to finish the thesis but to keep drilling. “I owe Bruce Curtis so much for mentoring me,” he said. And “I still have the RMAG pick that I received as a student award back then. I’m so proud of that.”

Continued on page 8 »

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May 20148Vol. 63, No. 5

He founded Benson Mineral Group in 1965, one year after taking Bruce Curtis’s advice and leaving graduate school. BMG was active in developing oil and gas assets in Kansas, the Rockies and elsewhere, much of which Benson sold in the early 1980s, turning his attention to other business interests, politics and philanthropy.

How did a background in geology and oil -company management prepare him for careers in politics and academia? “You learn how to think, how to listen to all sides, get all the information, add the pieces together, get others to collaborate. To build a team and to tell somebody to play on the team or go someplace else.”

Vicki Cowart grew up in Arizona, went back east to study Physics a t W o r c e s t e r P o l y t e c h n i c Institute, and then received her MS

in Geophysics from the Colorado School of Mines in 1977. She worked for Skelly, Mobil, ARCO and other oil companies in Denver, as well as seven years at Schlumberger, but then was named Director of the Colorado Geological Survey and State Geologist in 1993. “For me,” she said, “the appeal was the intersection of industry and policy. What can government do to help businesses develop people and resources?”

During her tenure with the CGS, Vicki increased its funding from state and federal sources dramatically, established its highly valued geologic mapping program, and broadened its constituency among industry groups,

state officials and John and Jane Colorado. The survey thrived under her leadership, despite challenges from all sides that are still in play. Vince Matthews, her successor at the CGS, noted that in terms of funding, publications and institutional management, "the people of Colorado are much better off because of Vicki's service to the Colorado Geological Survey."

Vicki’s interest in public policy had begun in college when she observed how few women were in her classes. This concern sharpened in her early professional career with the awareness that the number of women geoscientists was still low and they could not participate fully in the workplace without access to

birth control. “Science is best when it’s inclusive,” she said. “Policy makes a difference for people.”

In 2003, she left the CGS to join Planned Parenthood, which focuses on providing reproductive self-determination services and advocates for public policies to guarantee legal and private access to those services. Leaving geophysics after 25 years, she said, “I left my native land.”

Upon receipt of the American Geological Institute’s coveted Campbell Medal, Vicki said, “the work I do in my new world may seem different — but it actually is similar: working for good policies and providing useful information for people to make good decisions is the

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Vicki was one of the founders of the Associat ion for Women Geoscientists, serving as its first President. She has also been an active volunteer with many other groups, including CSM’s Board of Trustees, AGI, AIPG, Association of American State Geologists, DGS, International Women’s Forum, National Academy of Sciences, and SEG.

Like Bruce Benson, Vicki says that the greatest value of a geoscience background in her later, more public roles has been the training in the thought process. “The critical thinking skills that science gives you are huge. In policymaking, we need more scientists and engineers with the strong tools to learn how to think, not more lawyers.” »

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May 201412Vol. 63, No.5 12


LEAD STORY

On the Rocks Field Trips for 2014By Ron Pritchett

Plans are made for at least five Saturday Field Trips through the next six months - in the RMAG tradition - to provide opportunities for RMAG members and friends to visit and enjoy the great outdoors of the Rockies. The mission of the RMAG On the Rocks Committee is as follows:

“…to provide guided tours to natural sites where principles of geology are on display.As action to avoid accidents, the number of participants in each trip will be limited; trip leaders will provide plans for tour stops to minimize exposure to traffic. RMAG On the Rockstrips provide participants with opportunities to explore site geology, together with a trip expert and the camaraderie of those who are willing to share geologic knowledge.

Each person attending these group events is asked to be mindful of the welfare and safety of others. As we seek educational, enjoyable, and memorable outings, success in each tour will also be defined by participants’ safe return.”

The following table is a summary of trips planned to-date:

Topic/DestinationUnderstanding Denver's Mountain Front Structure: Turkey Creek to Coal Creek May 24th, Leader: Ned Sterne, Consultant

Neoproterozoic to Ordovician Front Range and Structure near Colorado SpringsJune 21st or 28th, Leaders: Dr. Paul Myrow, Dr. Christine Siddoway, Colorado College

Vail Valley Hazards - Mountain Valley FeaturesAugust 9th, Leader: Dr. Vince Matthews, Leadville Geology LLC

Floods and Hydrology - Front Range September 6th,Leaders: Dr. Bill Hoyt, University of Northern Colorado, Dr. Bob Jarrett, Applied Weather Assoc.

Volcanic History - Gunnison Basin September 20th, Leader: Dr. Allen Stork, Western State College

Trips in planning (or for substitute) include: Southern Wyoming-Northern Colorado sites, with help from Ranie Lynds of the Wyoming Geological Survey; the Cripple-Creek Victor Gold Mine Tour, courtesy of the geologists at AngloGold Ashanti; the Niobrara exposed in the Cemex quarry near Loveland - always a popular way to see a petroleum reservoir up close for fractures and hydrocarbon in-place.


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May 201414Vol. 63, No.5

Lead StoryContinued from page 13

July will be an active field-trip month too, though the main event is the American Association of Petroleum Geologists - Rocky Mountain Section meeting. RMAG efforts will be dedicated to the AAPG-RMS field trips - see "Cracking the Source" on the RMAG home page for activities in the last weeks of July.

On the Rocks day-trips occur because of contributions from committee members; here are 2014 members of the RMAG On the Rocks Field Trip committee:

Ron Parker - Fronterra GeosciencesPhyllis Scott - Scott Geological ConsultantsSandra Mark - Geologist/FarmerDenis Foley - Madrone Exploration LLCRyan Thompson - Exploration Geologist, Petrolific Petroleum LLCRon W. Pritchett - OTR Field Trip Chair - 2014Laura L. Wray - Sr. Staff Geologist, WPX Energy - RMAG Board Liason

New to On the Rocks for this year is attention to insurance costs necessary for RMAG sponsorship. Thus field trips are no longer "free" as advertised; those interested in field trips are expected to register on the RMAG website (under "Events") and pre-pay in order to join the tours. The amount per-trip is $20 person (educators and students exempted); each trip will be limited to the first 30 people who register and pay, primarily for driving safety concerns. To offset costs, the RMAG Foundation is currently considering a "subsidy" to lower insurance costs per-person. So support your RMAG Foundation!

On each trip, a "Documentarian" will be asked to gather photos and prepare a short article for the RMAG Outcrop (see past Outcrop articles). Benefits of documenting each trip include exposure for RMAG and for our Field Trip Leaders as well as the creation of a digital record which helps future trip planning.

Field trips will likely not be rigorous in hiking, though participants should be reasonably mobile and in good health. We will ask each participant to sign a liability release form before each field trip. Typically, participants bring their own sack-lunch and refreshments. Field trip leaders typically provide background and handout materials for each trip.

2012 Field Trip Leader Dr. Steve Sonnenberg at an exposure of fractured Upper Cretaceous Ft. Hays limestone on the way to Florence and Canon City.

On the Rocks participants in front of the Snowy Range and Medicine Bow Peak - Wyoming in August, 2013

Photos on this page are typical of the On the Rocks group. Participants can be assured of a full and colorful day of activities and association with fellow geologists – so mark your calendars, and check the RMAG website as registration for trips become available. Please also consider participating as a planning member and/or "Documentarian" – new members and ideas are welcome. Send your thoughts and ideas by email to Ron Pritchett: [email protected] We will see you On the Rocks.

»


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May 201416Vol. 63, No.5 16

2014 Award of Excellence For

Teaching of Earth Science

Sponsored by the Rocky Mountain Association of Geologists

THE WINNER RECEIVES

A Plaque and a $1000 Cash Award

If you teach earth science in K-12 and think you qualify, contact the RMAG office at 303-573-8621 for an application. Deadline is May 2. Previous winners were also selected to receive the Teacher of the Year Award from the American Association of Petroleum Geologists at the national and regional level.

The RMAG is a professional organization representing over 2000 earth scientists working in the Denver and Rocky Mountain area. In its capacity as the leading geologic organization in the Rocky Mountain area, each year the RMAG Foundation provides funding for an annual award presented to a teacher in recognition of his or her commendable efforts in introducing young minds to the earth sciences.

Check out the RMAG website at www.rmag.org.

Rocky Mountain Association of Geologists, RMAG 910 16th Street Mall, Suite 1214, Denver, CO 80202

(303) 573-8621 phone (303) 628-0546 fax

www.rmag.org [email protected]

2014 RMAG Dues Renewal

Name:____________________________________________________________________________________ Last First Please select one: No change in contact information Please update my contact information: Address: __________________________________________________________________________________ City: ___________________________________ State: ______________ Zip Code: _____________________ Email address: _____________________________________________________________________________

2014 Dues: $41.00 (December 1, 2013 - November 30, 2014)

Other Optional Contributions: RMAG Contribution: $_________

(which supports the calendar of 2014 of RMAG events, including short courses, symposia, social events, monthly luncheons, and more)

RMAG Foundation General Fund Contribution: $_________ (which helps support the following: Norman H. Foster Scholarship, University of Colorado (Bolyard) Scholarship, Colorado School of Mines (CSM) Scholarship, Colorado State University (CSU) Scholarship, Veterans Memorial Scholarship, Stone/Hollberg Graduate Scholarship in Structural Geology, Philip J. McKenna Scholarship, Babcock Scholarship)

Total Contribution Payment: $_________ All contributions are tax deductible under section 501(c)(3) of the IRS.

Please return this form with payment: Payments may be made by check (payable to RMAG) or credit card (please either fill out the enclosed credit card authorization form or go to www.rmag.org to pay online).

Easy steps to update your membership online: 1. Go to RMAG website at www.rmag.org 2. Click on MEMBERSHIP 3. Under MEMBERSHIP, click on Member Log In 4. Under the Member Login box, click where it says “Forgot your information? Click here” 5. Enter your current email address 6. You will then receive an email with your login information

If this is unsuccessful, please contact the RMAG office at (303) 573-8621 or by email at [email protected] for further assistance.

PLEASE NOTE OUR NEW SUITE NUMBER – 910 16TH STREET MALL, SUITE 1214, DENVER, CO 80202



2014 Award of Excellence For

Teaching of Earth Science

Sponsored by the Rocky Mountain Association of Geologists

THE WINNER RECEIVES

A Plaque and a $1000 Cash Award

If you teach earth science in K-12 and think you qualify, contact the RMAG office at 303-573-8621 for an application. Deadline is May 2. Previous winners were also selected to receive the Teacher of the Year Award from the American Association of Petroleum Geologists at the national and regional level.

The RMAG is a professional organization representing over 2000 earth scientists working in the Denver and Rocky Mountain area. In its capacity as the leading geologic organization in the Rocky Mountain area, each year the RMAG Foundation provides funding for an annual award presented to a teacher in recognition of his or her commendable efforts in introducing young minds to the earth sciences.

Check out the RMAG website at www.rmag.org.

Rocky Mountain Association of Geologists, RMAG 910 16th Street Mall, Suite 1214, Denver, CO 80202

(303) 573-8621 phone (303) 628-0546 fax

www.rmag.org [email protected]


Name:____________________________________________________________________________________ Last First Please select one: No change in contact information Please update my contact information: Address: __________________________________________________________________________________ City: ___________________________________ State: ______________ Zip Code: _____________________ Email address: _____________________________________________________________________________

2014 Dues: $41.00 (December 1, 2013 - November 30, 2014)

Other Optional Contributions: RMAG Contribution: $_________

(which supports the calendar of 2014 of RMAG events, including short courses, symposia, social events, monthly luncheons, and more)

RMAG Foundation General Fund Contribution: $_________ (which helps support the following: Norman H. Foster Scholarship, University of Colorado (Bolyard) Scholarship, Colorado School of Mines (CSM) Scholarship, Colorado State University (CSU) Scholarship, Veterans Memorial Scholarship, Stone/Hollberg Graduate Scholarship in Structural Geology, Philip J. McKenna Scholarship, Babcock Scholarship)

Total Contribution Payment: $_________ All contributions are tax deductible under section 501(c)(3) of the IRS.

Please return this form with payment: Payments may be made by check (payable to RMAG) or credit card (please either fill out the enclosed credit card authorization form or go to www.rmag.org to pay online).

Easy steps to update your membership online: 1. Go to RMAG website at www.rmag.org 2. Click on MEMBERSHIP 3. Under MEMBERSHIP, click on Member Log In 4. Under the Member Login box, click where it says “Forgot your information? Click here” 5. Enter your current email address 6. You will then receive an email with your login information

If this is unsuccessful, please contact the RMAG office at (303) 573-8621 or by email at [email protected] for further assistance.

PLEASE NOTE OUR NEW SUITE NUMBER – 910 16TH STREET MALL, SUITE 1214, DENVER, CO 80202


May 201418Vol. 63, No.5 18

Spring PTTC Workshops

GeoGraphix Training: An Overview and Refresher Course Wednesday, May 28, 2014, 8:30 am – 5 pm, Colorado School of Mines, Berthoud Hall Rm. 201 Fee: $250, includes food at breaks, workbook, and PDH certificate. Instructor: Fred Poland, Littleton, CO This full-day hands-on computer training course is designed for the person who has had some past experience with GeoGraphix and would like to get some basic training in the functionality of the newest version. It may also serve as a demo for those considering the purchase of GeoGraphix. GESxplorer and PRIZM modules will be utilized. New users will acquire tips and tricks to create projects, maps and cross sections, employ zone manager, perform multi-well log analysis, and more

Petra Basics Tuesday and Wednesday, June 4-5, 2013, 8:30 am – 5:00 pm Colorado School of Mines, Berthoud Hall room 201 Fee: $500, includes food at breaks, workbook, and PDH certificate. Limit 20 Instructor: Jewel Wellborn, Hydrocarbon Exploration & Development, Inc.

Topics include: Petra Main Module - Fm Top Organization, Zone Functions, and Computation of Isopach. Petra Mapping Module - Structure and Isopach using Gridding Functions and Hand Edits. Petra Cross Section Module - Correlation of Sand Bodies, and Reinterpretation of Isopachs Additional exercises and topics based on class participants interest

Recognizing, Differentiating and Analyzing Natural and Induced Fractures in Core Wednesday-Thursday, June 11-12, 2014, 8:30 am – 5 pm, USGS Core Facility, Lakewood, CO Fee: $500, includes lunch, class notes, and PDH certificate Instructors: John Lorenz and Scott Cooper - Geoflight LLC

Come Join PTTC at RMS-AAPG in Denver, CO Register online: http://www.aapgrms.org/2014

Pre-Convention Short Courses: Beyond Porosity: Lithology from Logs for Geologists Instructors: Robert Cluff, The Discovery Group, Inc.; Dan Krygowski, The Discovery Group, Inc Saturday, July 19, 2014, 8:30 AM-5:00 PM, Denver Athletic Club Fee: $250 (Professionals) Source Rocks 101 Instructor: Dr. Nick Harris, Associate Professor, Earth and Atmospheric Science, University of Alberta Saturday, July 19, 2014, 8:30 AM-5:00 PM, Denver Athletic Club Fee: $250 (Professionals)

Class Descriptions and Register Online: www.pttcrockies.org

For more information, contact Mary Carr, 303.273.3107, [email protected]


THANK YOU TO 2013 FOUNDATION DONORS

The Trustees of the RMAG Foundation wish to thank and acknowledge the generous support of the Foundation’s donors in 2013. Over $53,000 was raised for student scholarships and the general fund which supports geologic endeavors within the Rocky Mountain scientific community at large. The Foundation awarded 7 scholarships in 2013 totaling $17,500 and an additional $17,000 was awarded to these deserving organizations:

AAPG Imperial Barrel Award- Rocky Mtn Section AAPG Student Leadership Conference- Rocky Mtn Section Friends of Dinosaur Ridge- Boys and Girl Scout days Morrison Natural History Museum- Inner City School attendance PTTC Futures in Energy- Rocky Mtn Section Colorado State Science Fair winners Golden Pick Award RMAG Guidebook Mineral sets for Denver Public Schools Colorado Science Teacher of the Year

Thank You all for your continued support!

Abbot, William Bailey, RV Barrett, William Bell, Richard Blajszczak, Richard Bollenbacher, John Bortz, Louis Brittenham, Marvin Broten, Jim Brown, Charles "Elmo" Butler, Arthur Charbonneau, Roger Clifford C Clark Collinson, James Conti, Louis Coskey, Robert Covey, Curtis Crouch, Jane Crouch, Marshall Cygan, Norbert Desmond, Robert & Julia Enterline, Ted Eschner, Terence Estes-Jackson, Jane

Flagg Diamond corp Freedom Energy Assoc Fullerton, Tom G & H Production Co Garcia, Carlos Gibbet Hill Foundation Gomez, Ernest Gregg, Clare Grose, Thomas Harris, Sherod Hayes, Kathryn Heath, Edward Hess, Paul Irwin, Patricia Jones, Evan Kamp, Carl Knappe, Roy Kovach, Paul Kreutzfeld, James Krey, Max Larson, Scott LJ Oil, Inc Lowell, James Mark, Anson

Mason, M.Ann McKenna, Donald J McKenna, Elizabeth Meckel, Lawrence Michael, Robert Moore, Clyde Munn, James Nelson, Forrest Obernolte, Rick O'Donnell, Richard Pasternak, Ira Peterson, David Polleys, John RMAG Golf Participants Reed, Don Reid, Chase Reynolds, Mitchell Richards, Gene Roberts, Kimberly Schumacher, Dietmar Selma, Janita Shreve, Mark Sidwell, E.R. Silverman, Matthew

Single, Erwin Skeryanc, Anthony Smith, Gregg Smith, Marlis Smith, William Sonnenberg, Stephen Spelman, Allen Stark, Charles Stark, Philip Strachan, Stephen Sturdavant, Janien Sullivan, Steven Taylor, David Warme, John Wasson, Edward Wehrle, Paul Weiner, Kane West, Valary Wexford Resources Wiley, Bruce Willette, Donna Wray, Laura

May 201420Vol. 63, No.5 20

Geoland Ski Day 2014This was a BIG year for the Geoland Ski Day - Big Powder, Big Spills, Big

Group, Big Party and Big Prizes. We had over 180 participants and three busses loaded with eager skiers.

Petroleum Field Services served coffee and donuts to all the participants before everyone boarded the busses. We left the Heritage Square parking lot just in time to hit the highway before it closed at the tunnel. It was a good day to ride the bus.

Once again it was a great day on the slopes at Copper Mountain. The mountain greeted us with a 97 inch base. Mother Nature cooperated by providing lots of fresh powder (about 8 inches throughout the day) and relatively warm temperatures. The NASTAR course was particularly treacherous this year with many spills and wipe outs. They are out there on You Tube somewhere. Once again Doug Potter took top honors in the NASTAR race followed closely by Gary Davis and Tommy Carpenter. On the ladies side it was Laura Anderson dominating with Carolina Ortega and Jodi Singer in hot

pursuit. T h e c h e f s o u t d i d

themselves this year at the après ski party with two carving stations and a wonderful pasta bar. Awards and prizes were given out to quite a few lucky participants. Special thanks go to Christy Sports for donating two pairs

of skis that were auctioned off to raise money for the RMAG and DAPL associations. Chairman for the RMAG were Chris Gough and Larry Bennett. Patsy Botts was the Chair for the DAPL.

Special thanks go out to all our sponsors who make this wonderful event possible.

EXTREME TERRAIN – Christy Sports, Burleson LLP, Noble EnergyDOUBLE DIAMOND – Baseline Minerals, Inc., Bjork Lindley Little, PC, CalFrac, Enerplus, Lathrop Gage, LLC, Welborn Sullivan Meck & Tooley, PC

BLACK DIAMOND – Abraxas, Bayswater Exploration & Production, LLC, Beatty & Wozniak, PC, Drilling Info, EOG Resources, Inc., Meagher Energy Advisors, Mesa Energy Partners, LLC, Marlowes Restaurant, MHA Petroleum Consultants, LLC, Petroleum Field Services

BLUE – Allen & Kirmse, Ltd., Flagg Diamond Corporation, J.L. Obourn Jr. & Co., Piceance Energy, LLC, Stewart Petroleum Corporation, Tracker Resource Development, LLC, QEP Resources

GREEN – Denver Earth Resources Library, Vista GeoScience, Elk River, Hannon & Associates, Inc.

»


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Tim has cabin fever.

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Our Global Operations Manager for Surface Logging Systems, Tim, is all smiles these days. That’s because he and his team recently designed a new state-of-the-art mudlogging cabin. The spacious interior makes room for more laboratory services at the wellsite. Now exploration companies have access to more data in real time, so they can make better decisions faster. Combined with Weatherford’s patented GC-TRACER™, IsoTube® AutoLoader™ and other Isotech technologies, it’s one more way Weatherford Mudlogging is committed to Excellence from the Ground Up.

SURFACE LOGGING SYSTEMSwww.weatherford.com/[email protected]

May 201422Vol. 63, No.5 22

Volunteer Position for the Managing Editor for Outcrop Open

We are seeking a volunteer to assume the position of managing editor for the RMAG monthly newsletter Outcrop. Applicants must be experienced geoscientists capable of identifying and capturing stories of interest to the membership both within and outside of RMAG activities. The managing editor coordinates the production of the Outcrop with the RMAG staff and editors working directly with the layout artist. Availability to proof and cycle material and edits quickly is a must. Inquiries should be directed to Kristine Peterson @laramidegeo.com, the current managing editor, or Larry Rasmussen, RMAG Publications Committee Chairman, [email protected]. »

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Save the Date!

Thursday February 5th, 2015

Colorado Convention Center

Presented by RMAG & DGS

21st Annual D Seismic Symposium3

Save the Date!

Thursday February 5th, 2015

Colorado Convention Center

Presented by RMAG & DGS

21st Annual D Seismic Symposium3


May 201424Vol. 63, No.5 24

MINERAL OF THE MONTH: MAYBy Cheryl Whitney


Cerussite (lead carbonate) from Broken Hill in New South Wales, Australia. Photo courtesy of Colorado School of Mines Mineral Museum.

Mineral Name: Cerussite

Mineral Composition: PbCO3

Color: White or gray to transparent

Luster: Adamantine which means that it has a high refractive index causing most light to bounce back, creating a bright luster similar to diamonds.

Crystal system: Orthorhombic meaning that there are three crystallographic axis all of unequal length at 90° to one another.

Specific Gravity: 6.5

Mohs Scale of Hardness: 3-3.5

Fun fact: Cerussite is a lead ore which is formed when carbonated waters react with Galena. Cerussite can be distinguished by its high specific gravity and low hardness.

References:Klein, Cornelis, and Cornelius Searle

Hurlbut. The 22nd Edition of the Manual of Mineral Science: (after James D. Dana). New York; Toronto: J. Wiley, 2002.

....Next Month: Wulfenite

Have a mineral you want to see? E-mail [email protected]


RMAG Luncheon Programs

Luncheon will be held at the Marriott City Center at California and 17th St. Please check the event listing in the lobby for the room. Check-in/walk-in registration begins at 11:30 a.m., lunch is served at 12:00 noon, and the talk begins at 12:20 p.m. The luncheon price is $30.00. To listen only to the talk, walk-in price is $10.00. If you make a reservation and do not attend the luncheon, you will be billed for the luncheon. Online registration closes at 4:00 p.m. on the Thursday before the luncheon. Cancellations are not guaranteed after that time.

Luncheon ReseRvations & infoRmation

Call 303-573-8621, email [email protected],

or register online.

Your attendance is welcomed and encouraged. Bring a guest or new member!


Mississippian Heath Formation, a Self-sourcing Tight oil Carbonate Petroleum System, Central Montana By Richard J. Bottjer, Cirque Resources LP, Denver, CO, May 7th

Modern cores and well logs can be used to better define the upper and lower contacts of the Heath Formation as well as internal stratigraphic units in the Heath.

The late Mississippian Heath Formation is the primary target of an emerging tight oil play. The organic-rich shale beds of the Heath are well known as the primary oil source rocks for more than 100 MMBO of oil produced from the Tyler Sandstone and other reservoirs in central Montana, however, recent geological work, coring, and horizontal drilling has exposed the Heath Formation as an unconventional tight oil reservoir sourced by interbedded organic-rich shales and carbonates.

The Heath Formation is the highest stratigraphic unit in the Big Snowy Group and is unconformably overlain by the Pennsylvanian (and/or latest Mississippian) Tyler Formation. Internally, the Heath is informally subdivided into, in ascending order, a lower “shale,” the Van Dusen Zone, Potter Creek Coal, Forest Grove Limestone, Cox Ranch Oil Shale, Heath Limestone, Loco Ridge Gypsum, and upper “shale.” Modern cores and well logs can be used to better define the upper and lower contacts of the Heath Formation as well as internal stratigraphic units in the Heath. Stratigraphic nomenclature within the Heath is poorly defined leading to different operators using different names for the same strata, due largely to extensive vegetative cover in the type area and previously limited subsurface control.

Reservoirs in the Heath range from dolomite to limestone to calcareous shale. Porosity varies in these lithologies with microporosity present throughout the 450’ thick Heath interval, and larger pores being most common in the dolomitized carbonates. Intertidal to supratidal dolomites with up to 18 percent porosity interbedded with nodular anhydrites in the Heath Limestone indicate hot arid conditions dominated the near shore depositional environment in the middle part of the Heath. Stratigraphic correlations based on well logs and modern core descriptions suggest that a relative sea level fall resulted in reduction in the size

May 201426Vol. 63, No.5 26

RMAG Luncheon Programs Continued from page 25

of the Heath seaway. This eustatic change resulted in subaerial exposure of the thickest carbonates in the southern part of the Big Snowy Trough and deposition of silica-rich shales in a lowstand basin in the northern part of the Big Snowy Trough.

The Heath oil play is not new. Oil production from reservoirs in the Heath was discovered in 1919 at Devil’s Basin Anticline. Modern horizontal drilling in the Heath started in late 2010, and to date 17 horizontal wells with TVDs ranging from 2000 feet to 5500 feet have been drilled in the Heath across a 4-county area in the Big Snowy Trough. Cirque acquired four 3D seismic surveys in late 2012 and successfully used them to guide location selection and geosteering in the latest two horizontal wells. Recent horizontal and vertical completions in the Heath Formation have initial potentials up to 447 BOPD and demonstrate the economic potential of the Heath. Additional vertical and horizontal drilling and completions should be attempted to further establish the best methods of recovery of this large oil resource with the best economics.

The giant Pinedale gas field in the Green River basin of Wyoming produces from a 5500 to 6000 ft (1700-1800 m) interval of Upper Cretaceous and lowermost Tertiary sediments. The reservoir comprises discontinuous, lenticular fluvial sands intercalated with overbank sand, silt and mud. Average porosity in reservoir sandstone is <10% with permeability in the micro-Darcy range. A typical well may have 50 channel sand packages, bundled into 15 to 20 frac stages and commingled. Modeling to date has focused on the interaction of complex fluvial sand geometry with hydraulic fractures, increasing pore pressure with depth, and variable water saturation. Although natural fractures have been recognized, their demonstrable impact to production is localized.

Despite significant compaction and cementation, we can demonstrate good correspondence of core and log petrophysical properties to facies. Because of this, it is desirable to use facies to populate reservoir models. A multi-step approach was used to populate small (approximately one square mile [2.6 sq km]) “sector” models of different parts of the field. Logs were used to determine facies via neural nets and petrophysical cutoffs. Facies were distributed via object modeling, and then petrophysical properties were distributed within facies using sequential Gaussian simulation.

Gross channel ribbons and bar objects were placed first, guided by interpolated V-shale, which is a proxy for sand correlation. Detailed facies bodies were then distributed within those elements. Because net/gross, sand thickness, sand correlation, and overbank character change throughout the section, different zones were modeled using different body dimensions in consideration of analogs.

In dynamic reservoir simulation, acceptable history matches were attained despite the architectural complexity using production data, bottom-hole pressure, production logging tools, and distributed permanent pressure gauges. These models were used to help assess incremental recovery related to increased well density.

»

Integrated Static and Dynamic Modeling of the Pinedale Tight Gas Field, WyomingBy Mark A. Chapin, Jennifer K. Bobich, Gracel P. Diomampo, Heather L. Schiller, Sheena M. Hurd, Nicholas W. Brandon, Gustavo Ugueto, and Carolyn H. Fleming, Shell Western Exploration and Production Company, June 4th


Essequibo in My Ear By Carl F. Brink

www.decollementconsulting.com 303-578-6875

Wellsite Consulting Geology

Mud-logging

Geo-steering

May, 2013. It’s the heart of the rainy season in Guyana, South America. This year is proving to be even wetter than normal with widespread flooding along the rivers and impassable interior roads due to bottomless mud and collapsed bridges. To make matters worse, higher than usual Atlantic tides have overtopped the seawall in the capital city of Georgetown a number of times, flooding neighborhoods and damaging a number of kokers, the huge wooden sluice gates used for flood control. Even Guyanese long inured to tropical downpours and flooding are growing weary of the constant rain hammering down day and night. The “Land of Many Waters” is certainly living up to its name!

The massive Essequibo River is running bank to bank and getting dangerously close to record-setting levels. Draining a huge area of the interior by itself, the Essequibo is joined by the Mazaruni and Cuyuni Rivers at Bartica, and the confluence swells the river so much that, even fifty miles inland, the waters are so wide that often the opposite bank cannot be seen.

I’m sitting in our supply boat battering upstream against the force of the Essequibo in full flood on its way down to the Atlantic. I and five other employees of Sacre Coeur Minerals are on our way to our exploration project camp at Million Mountain, deep in the uninhabited remote tropical forest interior, or “backdam”, on the Puruni River. Our assignment is to relocate our alluvial gold mining dredge and recovery sluice to a new mining area we previously confirmed as quite rich in gold, and to commission and put into production a new Thompson water pump supplying the dredge gravel pump, hydraulic monitors, and the sluice.

The open boat is packed to the gunwales with supplies for the camp, all covered with blue tarp and tied down with rope and bungee cords: coolers with perishables and fresh meat for the weekly Pepper Pot meal; sacks of potatoes and onions and oranges; tins of brown Demerara sugar; bunches of bright green plantains to be fried for breakfast; bags and bags of our staple Guyana rice; heavy boxes of spare parts with the familiar yellow and black CAT logo; and strapped on top of the pile are new wheels and tires for our Honda ATVs.

My seat is on the port side with our cook in the center and our welder in the starboard spot. Behind me on the second bench sit three other contractors, and

behind them are the boat’s First Mate and Porter. The Captain stands by himself in the rear, one hand on the wheel and the other on the controls for the twin Yamaha outboard motors.

The heavy supply load and full passenger manifest leave little extra freeboard on the boat, and even the twin Yamaha 200s make heavy work of getting the craft up to speed and onto the plane. Not only is the relentless warm tropical deluge still lashing down, the wind is also blowing strongly from the interior directly in our faces as


May 201428Vol. 63, No.5 28

we push upstream. The stinging drops driven horizontally by the wind and our boat speed make it impossible to keep our eyes open and we all huddle under a tarp that we try, mostly unsuccessfully, to hold up over our heads for cover. As if that were not enough, the incoming Atlantic-driven tide is pressing upriver against the might of the swollen Essequibo rushing downriver – two almost irresistible forces going head-to-head! I estimate some swells thrust up to almost six feet trough-to-crest amplitude, and every time the bow plows through the waves a wall of grey-green Essequibo water hurled by the wind comes pouring over the side and smashes into my face. I’m beginning to regret my spot on the bench; however, our poor cook in the center seat is not doing much better; there are already four inches of water swirling in the bottom of the hull and her feet and pants are soaked.

Huddled under the tarp I constantly try to peek out and watch the river ahead. Every time I look out I get blasted with a face-full of filthy Essequibo water. I can’t even wipe it away from my eyes and ears since both my hands are clutching the tarp, holding it up against the wind while I try to get at least a little protection from the downpour and the stinging bow wave spray coming over the side. The river water itself looks absolutely awful – roiling dirty grey-green, loaded with broken branches, stumps and logs, empty blue plastic fuel barrels, floating chicken carcasses, and all types of debris imaginable flushed out of flooded villages along the river banks, including unsavory objects suggestive of swept-away septic tanks and outhouses. Huge hundred foot tall partially-submerged trees, roots and all, torn out from the banks upstream are a constant threat to river traffic. Spotting one of these hidden monsters is difficult during calm weather; trying to see and avoid one in the pouring rain and high swells is almost impossible.

A sudden outburst of loud language makes me glance behind. Although I can’t make out any words over the roar of the twin Yamaha 200s, the tone leaves no mistaking – these are definitely choice expletives! The Captain, enclosed from head to foot in bright yellow rain gear and wearing goggles, is gesticulating to his crew and pointing at a large wave we

have just pushed through, shipping a huge wall of water in the process. The swell has a long breaking crest like a Hawaiian curler as it travels past us, and the crew all animatedly point and shake their heads grimly at the foaming white water. When a normally cheery professional and experienced Essequibo River Boat Captain and crew are worried about water conditions, then, I think to myself, this cannot be good!

For the next three hours we continue forging our way upstream, our boat rolling and buffeting through the river swells, hoping that the water in the bilges doesn’t get too deep. To keep my mind off our predicament, I quietly sing “Still the rain kept pouring, fallin’ on my ears”, from the Woodstock-inspired Creedence Clearwater classic “Who’ll stop the rain?” But the rain doesn’t stop…

When we finally disembark at our dock in Itaballi, words like soaked,

Joseph H. Large President

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Essequibo in My EarContinued from page 27


drenched and sodden just cannot describe how wet and miserable we all are. The three hour trip through the pounding swells is safely over to our great relief; however, we now face another hundred and twenty kilometers of muddy track in the back of open 4x4 trucks through dense virgin jungle to our camp. At least the road conditions limit the vehicles to first and second gear only, often resorting to low range crawl speed. The tarps in the truck are larger than the ones in the boat and we all stay relatively sheltered and can at least partially dry out during the journey. Five hours later, at dusk, we arrive at our Million Mountain landing to see the welcoming lights of our camp flickering through the rain across the hundred-meter wide flooded Puruni River.

The next four weeks pass uneventfully. We get the new Thompson pump and six-cylinder twin turbocharged John Deere motor mounted on a skid and float the pump and our eight inch dredge across the Puruni River to our new alluvial mining site. Vegetation has already been stripped and a good ten feet of barren overburden river sand has been removed and stockpiled for later reclamation of our mining pit.

The new pump will feed our large custom-built sluice which I have nicknamed “The Beast." And what a beast it is…standing almost twenty feet high at the feed box, it has two eight by twenty foot decks in a scissors configuration. The upper deck is set at a relatively steep thirteen degrees and has angle iron riffles one-and-a half inches in height for the first ten feet, followed by three-quarter inch expanded metal. This deck captures coarse gold. The lower deck is set at a gentler ten degree slope and is covered with three-eighth’s inch expanded metal. This deck decelerates the slurry flow and allows fine gold to settle and be trapped. Both decks are underlain by a combination of carpet and Nomad matting.

Approximately four feet of pay gravel has been exposed at the mining face, including a thin six inch coarse basal layer lying directly on saprolite “bedrock." The basal gravel contains a population of well-rounded grey colored quartz pebbles and

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May 201430Vol. 63, No.5 30

cobbles, different to the overlying gravels which are more angular predominantly clear and milky white quartz. The grey rounded pebbles show strong imbrication with lots of percussion marks and conchoidal fractures characteristic of hard impact as well as deep striations and chatter mark trails. These features are indicative of long travel and possible multiple gravel reworking events. The alluvial gold in this basal palaeochannel gravel is coarse with micro-nuggets up to four millimeters in size – termed “chips” in Guyana. In contrast, the overlying more sandy white quartz rich gravel contains much finer gold less than a tenth of a millimeter in size. Sampling has also shown that the saprolite bedrock in our mining area has developed large deep holes in places; these “sinks” as they are known locally can be very profitable gold-enriched nugget traps.

Our mining method includes “sweeping the floor” – this means that once the auriferous gravels have been mined and processed in an area, teams are deployed to

wash down the saprolite bedrock. Using two-inch high pressure hydraulic monitors, the jet-men wash down every square inch of the exposed saprolite bedrock floor. Every crack and fracture, every nook and cranny in the bedrock is carefully flushed out. Hosing down the soft saprolite bedrock floor in this manner usually results in a considerable spike in gold production as we recover the predominantly coarse gold lodged in the bedrock. In addition we often encounter an eluvial gold component wherever the cleaned floors expose the quartz vein stockwork so prevalent in this region of Guyana.

We anticipate that the new pump will allow us to process up to fifty bank cubic meters per hour of gravel, a much improved rate from the paltry fifteen cubic meters per hour achieved with the previous worn-out pump. The enhanced feed rate indicates we can expect a greatly enriched sluice clean-up every twenty-four hour shift. Everyone is eagerly looking forward to the anticipated increase in gold production, especially when we eventually get around to sweeping the floor.

Midway through the work contract I notice a feeling of fullness in my left ear – not painful, more like the feeling you get when descending in a plane or coming down a steep mountain road. My previous experience working in tropical climates showed that one ignores such apparently harmless symptoms at one’s peril. Ear infections among field staff are very common and often linked to untreated river water pumped directly to the personnel showers, the usual practice in remote exploration camps. Constant tropical humidity can exacerbate the symptoms but I do not notice any associated inflammation or earache as far as I can tell; also, I am not overly concerned – all our shower water at the Million Mountain camp is cleaned to potable water quality by our reverse-osmosis water treatment plant including a final polish with UV light treatment. Just to be safe though, off I go to visit the camp medic and get some drops for my ear. As luck would have it, the medic is in the Georgetown Hospital battling a bout of dengue fever! I search through the stocks of medicines but I cannot find any specific ear treatment drops. I finally settle for a self-administered twice-daily ear flush using sterile saline solution. The feeling of fullness in my ear subsides somewhat, but does not really disappear; however, the work schedule remains so hectic I just



Public Issues Committee (PIC)Have you read or heard about a geologic issue that

really bugged you, or you just wanted more information but just didn’t have the time or umph to find out what’s going on? Now the Public Issues Committee (PIC) announces a service to RMAG members that can provide you the access to public issues and information you want or need. Starting immediately, if you have a need to research public issues, public policy, or specific legislation that relates to the Earth science profession, we will provide you with the tools or information you need.

Access is provided in two ways. One is to provide the member with tools to do a self-search; the other is we will do the search for you. For example, if you want to do a self-search, but you aren’t sure where to start, we will provide you with a list of web sites, contacts, or agencies that relate to your problem or issue. You can then do your own research given the initial guidance. Or, we will do the complete research for you. If you have the committee do the research, please realize that the research may take longer than if you did it yourself, and that:

we will provide a reasonable amount of information • and detail on your subject, however, it may not be exactly what you were looking for;

we will provide only publicly available information; •

we will not provide an interpretation or opinion on • any information provided; and

we will limit the scope of research to public issues, • public policy, or legislation for the Rocky Mountain states, although issues at a national scale that affect the Rocky Mountain area could be included.

We hope members will take advantage of this service so you can be informed, proactive, and involved about issues that affect you and our profession.

Information Contact:Public Issues Committee (PIC)Email: [email protected]

»

don’t have time to worry about it as long as it doesn’t get any worse.

About a week after my return to our Durango, Colorado office in early June, the fullness in my ear starts to become a little painful. I suspect the numerous flight take-offs and landings as well as the change in elevation from Guyana’s low three hundred and fifty feet above sea level to the lofty sixty-five hundred feet in Durango has agitated whatever is causing the feeling of fullness in my ear. Being a somewhat independent-minded individual (as most explorationists are) I am very hesitant to see a doctor yet, thinking I could first try some self-medication a bit more suitable than simple saline solution flushing. Off to Walgreens I go and start a regimen of ear drops using an over-the-counter medication for “swimmers ear."

After three days of treatment the feeling of fullness has not lessened appreciably and I finally resign myself to arranging a doctor’s visit the next day. That evening I apply the drops into my ear as usual and follow up with a strong warm water flush. Suddenly I hear a loud “POP” and a gush of fluid pours out of my ear. I am quick enough to lean over the sink and let the mess flow out. The fluid is dark brown and has a putrid odor. I know immediately what it is - Essequibo

River water! The microbes and bacteria that had been forced into my ear during the miserable boat ride through the storm a few weeks earlier have finally been cleaned out!

And that’s how I can proudly claim to have had the “Essequibo in my ear!”

Essequibo in My Ear

May 201432Vol. 63, No.5 32

Inner Strength.At WPX Energy, we’re driven by our desire to be excellent operators.

We’re recognized as an industry leader by regulators, the community and our peers. We take pride in doing things right – recycling water and running rigs on natural gas to help protect air quality.

Our natural strength comes from our can-do attitude. We

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Why we no longer print The Mountain Geologist and Outcrop publications...

The decision was made in 2011 to discontinue printing the Outcrop and Mountain Geologist in subsequent years due to escalating printing/mailing costs. This was a difficult decision for the board at the time but one that ultimately had to be made for the financial betterment of the organization. The option was given to the membership to subscribe to print copies but response to this was very limited.

On average, the decision to go digital saves RMAG $70,000 in printing and mailing expenses per year. To describe the savings another way, that is approximately 11% of the yearly budget of RMAG. This significantly contributes to the f inancial stabi l i ty of the organization.

If you would like to have a printed version of either publication, please call or email the RMAG office to arrange a time to pick up a printed copy.

Sincerely, RMAG Board of

Directors


Tectonic GIS Data from the Geologic Atlas of the Rocky Mountain RegionA New Publication from The Rocky Mountain Association of Geologists

Tectonic and geologic elements of the

Rocky Mountain region have been digitized and extensively attributed from The Geologic Atlas of the Rocky Mountain Region (2006).

These ArcMap versions 9.3 and 10 compilations also include basemap layers for the entire United States (topographic, hydrologic, bathymetric), shaded relief surfaces, and geologic map units (image on the left with superimposed basin and structural boundaries). Image on the right shows detail of a segment of the compilation with contours on the Precambrian surface, fault, fold, and fracture systems, and igneous intrusions. These ArcMap compilations include georeferenced TIF-format images from the original document for the following pages. Digitized and attributed are page (37) major tectonic units; (38) anticlines and faults; (39) major fold axes and faults; (46) updated gravity and selected tectonic units; (53, 54) ages and configuration of Precambrian rocks; (230) upper Cretaceous to middle Cenozoic igneous rocks; (231) Upper Cenozoic igneous rocks, and (306) intrusive rocks by age.

Tectonic GIS Data from the Geologic Atlas of the Rocky Mountain Region

A New Publication from The Rocky Mountain Association of Geologists

Tectonic and geologic elements of the Rocky Mountain region have been digitized and

extensively attributed from The Geologic Atlas of the Rocky Mountain Region (2006).

These ArcMap versions 9.3 and 10 compilations also include basemap layers for the entire

United States (topographic, hydrologic, bathymetric), shaded relief surfaces, and geologic map

units (image on the left with superimposed basin and structural boundaries). Image on the right

Neil H. Whitehead, III Consulting Geologist

PhD CPG-AIPG PG WY

Rocky Mountain Basins

Wellsite to Petroleum Systems ArcGIS

303-679-8573 fax 303-679-8574 [email protected] 31634 Black Widow Way Conifer, CO 80433-9610

»

May 201434Vol. 63, No.5

www.breckex.comTexas Office • Ph: 254-559-7566 • Fax: 254-559-6337

2301 US Hwy 180 East • P.O. Box 789 • Breckenridge, TX 76424Denver Office • Ph: 303-563-5301 • Fax: 303.260.6401

600 17th Street, Suite 2800 S • Denver, CO 80202

Project Planning | Acquisition | Permitting | Surveying | Safety Compliant | Results

All crews utilizing OYO GSX Wireless System

and AHV-IV 364 Commander Vibrators or Shothole

Did You Work on “The Big Red Book"?

RMAG will soon be launching a GIS version of tectonic material from the RMAG Geologic Atlas of the Rocky Mountain Region (the “Big Red Book”) We would like to talk to you, get your remembrances and take a group photo. If you are of one the participants in the original atlas or know someone who was and can assist with contact data, please telephone or email me. Thank you. We look forward to speaking with you.

Kristine [email protected]

Volunteer Position Open – Aide to the Executive Editor for The Mountain Geologist

The Executive Editor for The Mountain Geologist is looking for a volunteer Aide to assist in executive duties. These duties will vary and could include such activities as setting up files on the RMAG FTP file system for reviewers of submitted manuscripts, routine correspondence, assisting with budget development, copying and mailing paper copies of manuscripts, scheduling, and working with Excel files. Position to last for two years. Applicant should be Denver-area geologist (either focused downtown or in the Golden-Evergreen area), and RMAG member.

»


Authors and Editors Needed: RMAG Oil & Gas Fields of Colorado!

RMAG is working toward the publication of a guidebook dedicated to short field studies of a set of selected oil and gas fields in Colorado. In large part the format will be similar to earlier publications of this type: a several page article that will include a one page summary with a small set of maps and cross-sections adequate to give the reader a lot of information in a short amount of time. The RMAG committee working on this publication has selected 85 fields for review. In addition, we expect to have extended discussion around several large “resource play” areas such as the Piceance Basin or the Greater Wattenberg complex including the recent horizontal Niobrara play.

The committee is currently looking for authors to do field studies and to put together material for publication. Each author may contribute one or multiple field studies. We will also need a group of editors for both technical and copy (grammatical and graphical) review.

Please volunteer! Committee contacts below:

CONNECT WITH US ON LINKEDIN!

LIKE US ON FACEBOOK!

FOLLOW US ON TWITTER!

Connect with RMAG Online! You can now connect to the RMAG on Linkedin, Twitter, and Facebook.

Dean DuBois, Committee Chair 720-876-5366 [email protected]

James Milne 303-894-2100 x5117 [email protected]

James Rogers 303-832-2328 [email protected]

Steve Cumella 720-979-0718 [email protected]

Marshall Deacon 303-228-4215 [email protected]

Tom Feldkamp 303-228-4146 [email protected]

Chris Martin 720-440-6134 [email protected]

http://www.linkedin.com/groups?gid=3355814&trk=myg_ugrp_ovr

https://www.facebook.com/RMAG1922

https://twitter.com/RMAGDenver

May 201436Vol. 63, No.5

Michael Rigby lives in Denver.

Samantha Roberts works at Roberts Geology Services, Inc.

Connie Sorell lives in Denver.

Brian Sprehe is a new Student member.

Michael Steed is a Geologist at Oasis Petroleum.

Jason Todd works at New Era Petroleum.

New Members Welcome to new RmaG members...

230 Airport Rd. Unit D Heber City, Utah 84032

Ph (435)657-0586 Cell (435)640-1382

email: [email protected]

1 and 2 man Mudlogging Gas Referencing™

Geosteering

Mike Barber Manager

Serving the Rocky Mountain Region

www.summitmudlog.com

Summit Mudlogging Services

»

»

Michael Alloway works at SM Energy.

Matthew Bauer is a new Student Member.

Justin Blanchard is a FE Business Development Manager at Baker Hughes, Inc.

Fenton Buchanan lives in Lakewood, Colorado.

Molly Carpenter is a new Student Member.

Geno Castillo is a Graduate Student at New Mexico Highlands University.

Whit Childs lives in Denver.

Ronald Clymer is a Geologist at Chaparral Energy LLC.

Gerry Cotton is a Geologist at Whiting Oil and Gas.

Margaret Dalthorp works at Murex Petroleum Corporation.

Charles Dalton is a Geo and Engineering Tech at Source Energy Partners.

John Dodds works at Chesapeake Energy.

Aileen Fisher is a Geophysicist at Tesseract Sensors.

Gary Gianniny is a Professor at Fort Lewis College.

Alexander Hamilton is a new Student Member.

Brian Ingalls is a Geologist III at Fidelity Exploration and Production.

Wayne Itano works at University of Colorado.

John Kuykendall works at Advance Consultants Corp.

Brian McKinstry is a President at Marble Lakeside Inc.

Bryan Page is a Geologist at Weatherford.

Steven Parks is an Exploration Manager at Century Exploration Resources.

Two Positions Open for ASSISTANT EDITORS to The Mountain Geologist

The Mountain Geologist is looking for two additional, Denver-area, volunteer, Assistant Editors to join the present staff. Assistant Editors copy edit submitted and revised manuscripts for adherence to The Mountain Geologist’s “Author Style Guide” and for readability. They help in all phases of manuscript publication. At least one editor will have some paleontological background. Another editor will have general geology background from academia, government or industry experience. Assistant Editor skills/background include having excellent command of English and several years experience in one or more earth-science disciplines, being detail-oriented, and having some experience with online publishing or related. Sometimes fast turn-arounds are required. Please contact Joyce Trygstad Nelson, Executive Editor, [email protected].


2014 RMAG On the Rocks Field TripSaturday, May 24th Trip Leader: Ned Sterne

toward an understanding of Denver’s mountain front structure(see Stop Index Map on right)

Join us to examine how the Golden Thrust System bui lds Denver’s mountain front between Turkey Creek and Coal Creek. Our stops will highlight the abundance of information available from aerial photography, outcrops, trenches, adits, mines, shallow cores, deep wells and seismic. We will use these clues to explore the lingering conundrums that have puzzled geologists since the Hayden survey of the 1870s. The proposed model will address structural detachments at various stratigraphic levels, the presence of stacked triangle zones, and the peculiar geometries associated with back thrusts in triangle zones. The hope is that you come away with a different way to read geological maps, interpret thrust geometries, and a new appreciation for the geology in our back yard.

The trip will start at 8:00 a.m on Saturday May 24th in the Wooly Mammoth park-and-ride lot just north of the intersection of Route 40 and County Road 93 (just west of the Dakota hogback off I-70 at exit #259). We will return to the Wooly Mammoth lot by 6:00 pm. Cost for the trip will be

$20 per person. Bring a sack lunch and be prepared for Colorado spring weather and some light walking.

»

May 201438Vol. 63, No.5 38

EXHIBITORS 3D Imaging Technology Absolute Imaging Inc.

Breckenridge Geophysical Buckley Powder Co

CGG Cougar Land Services Dawson Geophysical

DESCO Environmental Consultants Drillinginfo

Earth Signal Processing Ltd. Edge Technologies Inc.

FairfieldNodal Geokinetics, Inc Geomage, Inc

Global Geophysical Services Hardin International Processing, Inc.

Horizontal Solutions International ION Geophysical

Ken Turnbull Land Broker LoneStar Geophysical Surveys

NodalSeismic Inc Paragon Geophysical Services, Inc

PetroDE Pinnacle—A Halliburton Service

Resolve GeoSciences, Inc. Rocky Mountain Oil Journal Schlumberger Geosolutions

Schlumberger Information Solutions SeisWare, Inc.

SIGMA3 Integrated Reservoir Solutions Summit Geophysical LLC

Tesla Exploration TGS

Ubiterra Corporation Vista Geoscience, LLC

XtremeGeo

BLACK DIAMOND SPONSORS

Anadarko Halliburton

Pinnacle WPX Energy

DIAMOND SPONSORS CGG

Cimarex ConocoPhillips

Dawson Geophysical Drilling Info

Erikson Contract Surveying, Inc. Exploration Geophysics Inc.

ExxonMobil FairfieldNodal

Geophysical Pursuit, Inc. Geokinetics

ION Geoventures Noble Energy

QEP Resources, Inc. Schlumberger

Whiting Petroleum

PLATINUM SPONSORS Continental Resources

EXCO EOG Resources

GreyCo Ken’s Reproductions

Liberty Oilfield Resources Liberty Resources

Magnitude MicroSeismic Inc.

OXY Paragon Geophysical Services

Seitel Data SES

Sterling Seismic Services Tesla Exploration

TGS Tricon Zbyte

GOLD SPONSORS Anschutz Exploration Corp

Ballard Petroleum Black Hills E&P

Border to Border Exploration Breckenridge Exploration Burnett Oil Company, Inc.

Catamount Exploration Cougar Land Services

Excel Geophysical Great Western Operating Co

Keystone Geophysical Lockhart Geophysical

MacKay Consulting McElvain Oil & Gas Properties

Mitcham Industries, Inc. NodalSeismic PacSeis, Inc. PDC Energy

Seismic Exchange, Inc. SeisWare, Inc.

Stephens Energy Company Vector Seismic Data Processing

Yates Petroleum Corp.

SILVER SPONSORS

3D Imaging Technology Bill Barrett Corporation eSeis, Inc. ESG SM Energy Flamingo Seismic Solutions G & H Production Company, LLC Unified GeoSystems Green River Energy Resources Hardin International Processing, Inc Interactive Earth Sciences iReservoir IS Interpretation Services, Inc Lario Oil & Gas MEQ Geo, Inc. Petro-Hunt Summit Geophysical Wireless Seismic Trican-Geo Tomo Microseismic

THANK YOU TO OUR 2014 3D SEISMIC SYMPOSIUM SPONSORS AND EXHIBITORS!

SEE YOU IN 2015!


EXHIBITORS 3D Imaging Technology Absolute Imaging Inc.

Breckenridge Geophysical Buckley Powder Co

CGG Cougar Land Services Dawson Geophysical

DESCO Environmental Consultants Drillinginfo

Earth Signal Processing Ltd. Edge Technologies Inc.

FairfieldNodal Geokinetics, Inc Geomage, Inc

Global Geophysical Services Hardin International Processing, Inc.

Horizontal Solutions International ION Geophysical

Ken Turnbull Land Broker LoneStar Geophysical Surveys

NodalSeismic Inc Paragon Geophysical Services, Inc

PetroDE Pinnacle—A Halliburton Service

Resolve GeoSciences, Inc. Rocky Mountain Oil Journal Schlumberger Geosolutions

Schlumberger Information Solutions SeisWare, Inc.

SIGMA3 Integrated Reservoir Solutions Summit Geophysical LLC

Tesla Exploration TGS

Ubiterra Corporation Vista Geoscience, LLC

XtremeGeo

BLACK DIAMOND SPONSORS

Anadarko Halliburton

Pinnacle WPX Energy

DIAMOND SPONSORS CGG

Cimarex ConocoPhillips

Dawson Geophysical Drilling Info

Erikson Contract Surveying, Inc. Exploration Geophysics Inc.

ExxonMobil FairfieldNodal

Geophysical Pursuit, Inc. Geokinetics

ION Geoventures Noble Energy

QEP Resources, Inc. Schlumberger

Whiting Petroleum

PLATINUM SPONSORS Continental Resources

EXCO EOG Resources

GreyCo Ken’s Reproductions

Liberty Oilfield Resources Liberty Resources

Magnitude MicroSeismic Inc.

OXY Paragon Geophysical Services

Seitel Data SES

Sterling Seismic Services Tesla Exploration

TGS Tricon Zbyte

GOLD SPONSORS Anschutz Exploration Corp

Ballard Petroleum Black Hills E&P

Border to Border Exploration Breckenridge Exploration Burnett Oil Company, Inc.

Catamount Exploration Cougar Land Services

Excel Geophysical Great Western Operating Co

Keystone Geophysical Lockhart Geophysical

MacKay Consulting McElvain Oil & Gas Properties

Mitcham Industries, Inc. NodalSeismic PacSeis, Inc. PDC Energy

Seismic Exchange, Inc. SeisWare, Inc.

Stephens Energy Company Vector Seismic Data Processing

Yates Petroleum Corp.

SILVER SPONSORS

3D Imaging Technology Bill Barrett Corporation eSeis, Inc. ESG SM Energy Flamingo Seismic Solutions G & H Production Company, LLC Unified GeoSystems Green River Energy Resources Hardin International Processing, Inc Interactive Earth Sciences iReservoir IS Interpretation Services, Inc Lario Oil & Gas MEQ Geo, Inc. Petro-Hunt Summit Geophysical Wireless Seismic Trican-Geo Tomo Microseismic

THANK YOU TO OUR 2014 3D SEISMIC SYMPOSIUM SPONSORS AND EXHIBITORS!

SEE YOU IN 2015! www.rmag.org39OUTCROP

May 201440Vol. 63, No.5 40

mines.edu) 303.273.3107.

June 4, 2014RMAG Luncheon. Speaker: Mark A. Chapin.

“Integrated static and dynamic modeling of the Pinedale tight gas field, Wyoming.”

June 21, 2014RMAG On the Rocks Field Trip. “Neoproterzoic to

Ordovician: Front Range and Structure near Colorado Springs.” For more information see page 13 of this issue.

July 20-22, 2014RMS-AAPG Annual Meeting. Colorado Convention

Center.

December 10-12, 2014 NAPE Rockies, Colorado Conventions Center. RMAG

Reception December 10, 2014.

In the Pipeline

If you have any events that you would like to post in this column, please submit via email to the RMAG office at [email protected] for consideration.

»

may 7, 2014RMAG Luncheon. Speaker: Richard J. Bottier.

“Mississippian Heath Formation, a self-sourcing tight oil carbonate petroleum system, central Montana, USA.”

may 20, 2014RMAG Golf Tournament at Arrowhead.

may 20, 2014DWLS Luncheon. “ Pore-Scale Modeling of Electrical

Resistivity and Permeability in FIB-SEM Images of Hydrocarbon-Bearing Shales.”

may 22, 2014RMS-AAPG Young Professionals Happy Hour.

Paramount Café 4:30 p.m. – 6:30 p.m.

may 24, 2014RMAG On the Rocks Field Trip. “Understanding

Denver’s Mountain Front Structure: Turkey Creek to Coal Creek.” For more information see page 13 of this issue.

June 3-12, 2014PTTC Workshop. “Complex Wells-Core Competency

2014.” For more information contact Mary Carr (mcarr@


The Mountain Geologist is a quarterly, online, peer-reviewed

journal published by the Rocky Mountain Association of Geologists

since 1964. Circulation is about 2200. Editors for The Mountain

Geologist welcome manuscripts that focus on or relate to geology

of the U.S. Rocky Mountain region and environs.

When writing a manuscript for The Mountain Geologist, please

refer to the downloadable “Author Style Guide” found under

“Publications – The Mountain Geologist” on the RMAG website:

www.rmag.org It is important to write your manuscript according

to this style guide to mitigate revision time for both authors and

editors. The “Author Style Guide” was last revised in 2014. If

authors have questions, please send inquiries to the Executive

Editor at [email protected] or refer to issues published in 2014.

index and Back issues

A bibliography and index is available on the RMAG website

(1964- 2009, see The Mountain Geologist web page, www.rmag.

org). See also, “Cumulative Bibliography and Index to The Mountain

Geologist, 1999-2010” by Michele Bishop, The Mountain Geologist,

July 2011, v. 48, no. 3, p. 59-80.

Back issues of the journal are available on DVD (The Mountain

Geologist 1964-2005 except 1985, v. 22, no. 4; The Mountain

Geologist 2006-2010 with 1985, v. 22, no. 4) available through the

RMAG office, 303-573-8621, or online on the RMAG website. Some

back print issues are available from the RMAG office for $15.

»Submit a Manuscript to

May 201442Vol. 63, No.5 42

MAY 2014 anuary 1 SUNDAY MONDAY TUESDAY WEDNESDAY THURSDAY FRIDAY SATURDAY

Advertisers Index

1 2 3

4 5 6 7 8 9 10

11 12 13 14 15 16 17

18 19 20 21 22 23 24

25 26 27 28 29 30 31

AAPG .............................................. 12

Bowler Petrophysics ..................... 22

Bradsby Group ............................... 40

Breckenridge Expl. Inc. ................ 34

Canadian Discovery ...................... 10

Columbine Logging ..........................8

Daub & Associates ....................... 29

Decollement Consulting, Inc ........27

The Discovery Group, Inc. ..............33

Dolan Integration Group ................15

Donovan Brothers Inc. ................10

Fluid Inclusion Technologies .....10

Geosteering ................................... 9

Gustavson, John B.......................31

Horizontal Solutions Intl. ............22

Karo, James C. ............................30

Lario Oil & Gas Company ............13

MJ Systems .................................29

Mazzullo Energy Corp. ................22

Newfield Exploration .................... 9

Noble Energy ............................... 15

PTTC ...................................... 11, 18

Peterson, Kris ................................ 6

RBC Wealth Management ......... 15

RPM Geologic, LLC ..................... 28

Stoner Engineering, LLC ............... 2

Summit Mudlogging Services .... 36

Weatherford Laboratories .......... 21

Weber Law Firm, LLC .................. 10

Whitehead, Neil H. ...................... 33

WPX Energy ................................. 32

RMAG Luncheon Speaker: Richard J.

Bottier

RMS-AAPG Young

Professionals Happy Hour

DWLS Luncheon

RMAG On the Rocks Field

Trip

RMAG Golf Tournament

at Arrowhead

Documents

May 2014 Outcrop