Geology 3120 Geology 3120 --Metamorphic Core ComplexesMetamorphic Core Complexes
Announce Undergrad PRP questionnaireAnnounce Undergrad PRP questionnaire
OutlineOutline
• Pure and Simple Shear
• Detachments
• Basin and Range
• Whipple Mountain
• Buckskin-Rawhide Detachment
• Metamorphic Core Complex Model
Pure ShearPure Shear
Simple ShearSimple Shear
Detachment FaultsDetachment Faults
Basin and RangeBasin and Range
• Late Cenozoic extension
• North-south trending normal faults
• Change in motion along western plate boundary may have induced extension
Basin and Range Normal Fault BlocksBasin and Range Normal Fault Blocks
QuickTime™ and a Animation decompressor are needed to see this picture.
QuickTime™ and a Animation decompressor are needed to see this picture.
Whipple Mountain Geologic MapWhipple Mountain Geologic Map
Whipple Mountain Detachment FaultWhipple Mountain Detachment Fault
SWSW NENE
Whipple Mountain CrossWhipple Mountain Cross--SectionSection
BuckskinBuckskin--Rawhide DetachmentRawhide Detachment
NWNW SESE
BuckskinBuckskin--Rawhide DetachmentRawhide Detachment
NWNW SESE
BuckskinBuckskin--Rawhide DetachmentRawhide Detachment
WW E
Metamorphic Core Complex ModelMetamorphic Core Complex Model
Metamorphic Core Complex ModelMetamorphic Core Complex Model
Metamorphic Core Complex ModelMetamorphic Core Complex Model
Metamorphic Core Complex ModelMetamorphic Core Complex Model
ReferencesReferences
Slide 1Slide 1Coney, P. J., Cordilleran metamorphic core complexes; an overvieConey, P. J., Cordilleran metamorphic core complexes; an overview, w, in:in: Crittenden, M.,D., Jr., Crittenden, M.,D., Jr., Coney, P. J., and G. H. Davis (eds), Cordilleran metamorphic corConey, P. J., and G. H. Davis (eds), Cordilleran metamorphic core complexes, Geological e complexes, Geological Society of America Memoir 153, 7Society of America Memoir 153, 7--31. 1980.31. 1980.
Slides 3Slides 3--1010TwissTwiss, R. J. and E. M., R. J. and E. M. MooresMoores, Structural Geology, W. H. Freeman & Co., New York, 532 p., , Structural Geology, W. H. Freeman & Co., New York, 532 p., 1992.1992.
Slides 11Slides 11--1313http://www.Colorado.EDU/GeolSci/courses/GEOL4717/Web4717http://www.Colorado.EDU/GeolSci/courses/GEOL4717/Web4717--02Photos/Home.html02Photos/Home.html
Slides 14Slides 14--1717Davis. G. H. and S. J. Reynolds, Structural Geology of Rocks andDavis. G. H. and S. J. Reynolds, Structural Geology of Rocks and Regions, 2nd ed., John Regions, 2nd ed., John Wiley & Sons, New York, 776 p., 1996.Wiley & Sons, New York, 776 p., 1996.