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Pliocene

Upper Triassic

Lower Triassic

Middle(?) Triassic

Lower Permian PERMIAN

Holocene

Pleistocene

Pleistocene

QUATERNARY

QUATERNARY

CORRELATION OF MAP UNITSSURFICIAL DEPOSITS

VOLCANIC ROCKS

Volcanic Rocks of the San Francisco Volcanic Field

SEDIMENTARY ROCKS

TERTIARY

TERTIARY

TRIASSIC

Pliocene orMiocene(?)

Unconformity

Unconformity

Unconformity

Unconformity

LIST OF MAP UNITS

SURFICIAL DEPOSITS

Artificial fill and quarries (Holocene)

Stream-channel deposits (Holocene)

Flood-plain deposits (Holocene)

Dune sand and sand sheet deposits (Holocene)

Young eolian sand sheet deposits (Holocene)

Young linear dune deposits (Holocene)

Young barchan dune deposits (Holocene)

Young terrace-gravel deposits (Holocene)

Young alluvial fan deposits (Holocene)

Intermediate terrace-gravel deposits (Holocene and Pleistocene(?))

Intermediate alluvial fan deposits (Holocene and Pleistocene(?))

Ponded sediments (Holocene and Pleistocene(?))

Young mixed alluvium and eolian deposits (Holocene and Pleisto-cene(?))

Eolian cinder dune deposits (Holocene and Pleistocene)

Eolian cinder sand sheet deposits (Holocene and Pleistocene)

Talus and rock fall deposits (Holocene and Pleistocene)

Landslide deposits (Holocene and Pleistocene)

Valley-fill deposits (Holocene and Pleistocene)

Old terrace-gravel deposits (Pleistocene)

Old alluvial fan deposits (Pleistocene)

VOLCANIC ROCKS

Volcanic Rocks of the San Francisco Volcanic Field(Pleistocene, Pliocene, and Miocene)

Basalt flow of Merriam Crater (Pleistocene; Brunhes age)

Basalt flows (Pleistocene; Brunhes age)

Pumice of San Francisco Mountain (Pleistocene; Matuyama age)

Basalt dike (Pleistocene; Matuyama age)

Pyroclastic deposits (Pleistocene; Matuyama age)

Basalt flows (Pleistocene; Matuyama age)

Basalt flow of Lava Point (Pleistocene; Matuyama age)

Basalt flows of Woodhouse Mesa (Pleistocene; Matuyama age)

Basalt flows (Pleistocene(?) or Pliocene; Matuyama age)

Black Point Basalt (Pliocene)

SEDIMENTARY ROCKS

Oldest stream-channel deposits (Pliocene or Miocene(?))

Chinle Formation (Upper Triassic)

Petrified Forest Member

Shinarump Member

Moenkopi Formation (Middle(?) and Lower Triassic)

Moqui and Holbrook Members, undivided (Middle(?) and Lower Triassic)

Lower massive sandstone member (Lower Triassic)

Wupatki Member (Lower Triassic)

Kaibab Formation (Lower Permian)

Harrisburg Member

Fossil Mountain Member

Toroweap Formation, undivided (Lower Permian)

EXPLANATION

Contact

Fault—Dashed where inferred or approximately located; dotted where concealed; bar and ball on downthrown side. Faults shown as bounding alluvium do not offset alluvium. Number is estimated displacement in feet

Folds—Showing trace of axial surface and direction of plunge; dotted where concealed

Monocline—Dashed where approximately located

Strike and dip of beds

Inclined—Measured in the field

Implied—Interpreted from aerial photographs; dip amount not determined

Strike of vertical and subvertical joints

Sinkhole—Enclosed depression or cave

Flow direction of basalt

Volcanic vent

Fracture—Open fracture without offset

Offset fracture—Open fracture with offset

Base from U.S. Geological Survey, 1:24,000, Gray Mountain, Wupatki NE, Wupatki SW, and Wupatki SE, 1969, and East of SP Mountain, 1989

Universal Transverse Mercator Projection1927 North American DatumClark 1866 Ellipsoid, Zone 1

SCALE 1:24 000

CONTOUR INTERVAL 10 AND 20 FEET

1 1/2 0 1 MILE

1 .5 0 1 KILOMETER

Geology mapped in 2005–2006 by G.H. Billingsley

Digital database by S.S. Priest and T.J. Felger

Edited by Carolyn A. Donlin; design and layout by Darlene A. Ryan

Manuscript approved for publication January 23, 2007

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APPROXIMATE MEANDECLINATION, 2007

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Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government.

For sale by U.S. Geological Survey, Information Services, Box 25286, Federal Center, CO 80225, 1–888–ASK–USGS

Digital files available at http://pubs.usgs.gov/sim/2007/2958

Printed on recycled paper

Geologic Map of Wupatki National Monument and Vicinity, Coconino County, Northern ArizonaBy

George H. Billingsley, Susan S. Priest, and Tracey J. Felger2007

Prepared in cooperation with theNational Park Service and the Navajo Nation

U.S. Department of the InteriorU.S. Geological Survey

Scientific Investigations Map 2958Pamphlet accompanies map

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View looking west toward Doney Mountain Fault, at Antelope Wash. Photograph courtesy of National Park Service, Wupatki National Monument.

View looking west at Cathedral Canyon near Doney Mountain Fault showing the Kaibab Formation. Photograph by G.H. Billingsley, 2004.

ARIZONA

111°30'00" 111°27'30" 111°25'00"

111°22'30"

111°20'00" 111°17'30"35°30’00"

35°32’30"

35°37'30"

35°35’00"

111°17'30"111°20'00"111°22'30"111°25'00"111°27'30"111°30'00"

35°37'30"

35°35'00"

35°30'00"

35°32'30"

MAP LOCATION