U.S. DEPARTMENT OF THE INTERIOR SCIENTIFIC INVESTIGATIONS REPORT 2010–5025 U.S. GEOLOGICAL SURVEY PLATE 1

114°00' 113°30' 113°00' 112°30' 112°00' 111°30'

Washington 59

St. George 89 GLEN CANYON NATIONAL Big Water RECREATION AREA

UTAH River 89 NEVADA Kanab La COLORADO ke Po COLORADO PLATEAU 89 well 37°00' UTAH UTAH 37°00' ARIZONA ARIZONA Colorado City Virgin

KAIBAB-PAIUTE Fredonia Flagstaff KAIBAB NAT FOREST CALIFORNIA INDIAN NEW MEXICO Moccasin RESERVATION Phoenix 15 ARIZONA VERMILION CLIFFS Lees Ferry Littlefield 389 Pipe Spring ALT NATIONAL 89 HURRICANE PIPE SPRING NATIONAL A MONUMENT MONUMENT Map location. Location of map area indicated by black box. Segregation Marble Canyon areas in orange.

Creek

A' ALT FAULT NORTH 89

K A I B A B

FAULT 89 U I N K A R E T P LSEGREGATION A T E A U Pigeon C' FAULT EAST KAIBAB MONOCLINE Jacob RIVER Lake EXPLANATION MAIN STREET Kanab Hermit North Interstate and U.S. Routes AREA SEVIER

NATIONAL EAST State routes FOREST MUAV KAIBAB EZ–1 C BOUNDARY Bitter Springs Local highways and roads EZ–2 SEGREGATION FAULT BIG SPRINGS NATIONAL B Hack State boundary Canyon Kanab FOREST AREA Segregation area boundary Hack 3 Hack 1 (GRAND CANYON Indian reservation, National Park, or Recreation Area FAULT Hack 2 boundary B' NATIONAL GAME PRESERVE) National Monument or Game Preserve boundary FAULT Arizona 1 Pinenut COLORADO National Forest boundary 36°30' 36°30' Location of city or town 67

HURRICANE FAULT BOUNDARY Faults Monocline or anticline GRANDWASH

SINYALA Anticline or syncline K A N A B P L A T E A U EAST M A R B L E P L A T E A U MUAV P L A T E A U Known uranium orebody—Both mined and unmined, with FAULT locality label GRAND CANYON–PARASHANT GRAND CANYON Mine location (Billingsley and others, 1997) NATIONAL NATIONAL PARK K Exposed breccia pipe A I NAVAJO B APPROXIMATE MONUMENT AB FAULT Collapse feature D INDIAN RIVER GRAND CANYON MONOCLINE RESERVATION Havasu NATIONAL PARK LAKE MEAD S H I V W I T S P L A T E A U FAULT FAULT NATIONAL H A V A S U - C A T A R A C T B A S I N Creek RECREATION Chapel Creek AREA SUPAI Lake North FAULT Rim Mead COLORADO Supai DATA SOURCES D' MONOCLINE GRAND CANYON Angel Billingsley, G.H., 2000, Geologic map of the Grand Canyon 30' × 60' quadrangle, Coconino and NATIONAL Mojave Counties, northwestern Arizona: U.S. Geological Survey Geologic Investigations LAKE MEAD GAME PRESERVE DELLENBAUGH Series I–2688, scale 1:100,000. [Available at URL http://pubs.usgs.gov/imap/i-2688/]. NATIONAL Bright Billingsley, G.H., Block, D.L., and Dyer, H.C., 2006, Geologic Map of the Peach Springs 30' × 60' Little RECREATION AREA Quadrangle, Mohave and Coconino Counties, Northwestern Arizona: U.S. Geological Survey Ridenour HAVASUPAI Investigations Map 2900, scale 1:100,000. [Available at URL http://pubs.usgs.gov/sim/2006/2900/] INDIAN RESERVATION Billingsley, G.H., Felger, T.J., and Priest, S.S., 2006, Geologic map of the Valle 30' × 60' Orphan quadrangle, Coconino County, Northern Arizona: U.S. Geological Survey Scientific Investi- Lode L I T T L E C O L O R A D O

KAIBAB Colorado gations Map 2895, scale 1:100,000. [Available at URL http://pubs.usgs.gov/sim/2006/2895/] GRANDWASH C O C O N I N O P L A T E A U NATIONAL FOREST R I V E R V A L L E Y HUALAPAI FAULT Billingsley, G.H., and Priest, S.S., 2010, Geologic map of the House Rock Valley area, Coconino 64 GRANDVIEW County, northern Arizona: U.S. Geological Survey Scientific Investigations Map 3108, scale INDIAN 1:50,000, 26 p. [Available at URL http://pubs.usgs.gov/sim/3108] 36°00 RESERVATION F' 36°00' Billingsley, G.H., Priest, S.S., and Felger, T.J., 2007, Geologic map of the Cameron 30' × 60' quadrangle, Coconino County, northern Arizona: U.S. Geological Survey Scientific Investiga- FAULT tions Map 2977, scale 1;100,000. [Available at URL http://pubs.usgs.gov/sim/2007/2977/] Cataract GRAND CANYON NATIONAL Billingsley, G.H., Priest, S.S., and Felger, T.J., 2008, Geologic map of the Fredonia 30' × 60' GAME PRESERVE River BRIGHT ANGEL quadrangle, Mohave and Coconino Counties, northern Arizona: U.S. Geological Survey Investigations Map 3035, scale 1;100,000. [Available at URL http://pubs.usgs.gov/sim/3035/] Tusayan SOUTH E' F Billingsley, G.H., Spamer, E.E., and Menkes, Dove, 1997, Quest for the pillar of gold—The mines and miners of the Grand Canyon: Grand Canyon, Ariz., Grand Canyon Association Mono- MONOCLINE GRAND CANYON graph no. 10, 112 p. [http://www.grandcanyon.org/booksmore/booksmore_epublications.asp] Canyon 64 H U A L A P A I P L A T EA U Creek Billingsley, G.H., and Wellmeyer, J.L., 2003, (rev. 2006), Geologic map of the Mount Trumbull 30' SEGREGATION NATIONAL PARK × 60' quadrangle, Mohave and Coconino Counties, northwestern Arizona, version 1.1: U.S. KAIBAB NATIONAL FOREST Geological Survey Geologic Investigations Series I–2766, scale 1:100,000 [Available at URL http://pubs.usgs.gov/imap/i2766/]. Billingsley, G.H., and Workman, J.B., 2000, Geologic map of the Littlefield 30' × 60' quadrangle, TOROWEAP AREA Mohave County, northwestern Arizona: U.S. Geological Survey Geologic Investigations E Series I–2628, scale 1;100,000. [Available at URL http://pubs.usgs.gov/imap/i2628]

AUBREY

FAULT

BUTTE

FAULT

HUALAPAI This and other USGS information products are available at http://store.usgs.gov/ Valle U.S. Geological Survey INDIAN C O C O N I N O P L A T E A U MESA Box 25286, Denver Federal Center Publishing support provided by: C O C O N I N O P L A T E A U Denver, CO 80225 Denver Publishing Service Center RESERVATION 89 To learn about the USGS and its information products visit For more information concerning this publication, contact: http://www.usgs.gov/ Pacific Southwest Regional Executive Office, USGS 1-888-ASK-USGS 3020 State University Drive East 64 This report is available at: Modoc Hall, Suite 3005 WUPATKI Sacramento, CA 95819–2632 NATIONAL http://pubs.usgs.gov/sir/2010/5025 180 MONUMENT Phone: 916–278–9551 Any use of trade, product, or firm names is for descriptive purposes 66 KAIBAB only and does not imply endorsement by the U.S. Government. Suggested citation: NATIONAL FOREST Although this information product, for the most part, is in the public Alpine, Andrea E., ed., 2010, Hydrological, geological, and biological COCONINO domain, it also contains copyrighted materials as noted in the text. site characterization of breccia pipe uranium deposits in northern NATIONAL FOREST Peach Permission to reproduce copyrighted items for other than personal use Arizona: U.S. Geological Survey Scientific Investigations Report 35°30' Springs 35°30' must be secured from the copyright owner. 2010–5025, 353 p., 1 pl., scale 1: 375,000. 114°00' 113°30' 113°00' 112°30' 112°00' 111°30'

North American Datum of 1983 (NAD 83) 12° SCALE 1: 375 000 GIS data and map compiled by Kristin M. Brown, 2010 Projection: Universal Transverse Mercator, zone 12 0 10 20 30 40 50 MILES Known uranium-ore-bearing breccia pipes located by Shaded relief base from Arizona State Land Department, available at Bradley S. Van Gosen, 2009 http://www.land.state.az.us/alris/layers.html 01020304050 KILOMETERS

Boundaries from Bureau of Land Management, accessed January, 2010, at TRUE NORTH

http://www.blm.gov/az/GIS/strip_rod/meta/landown_dis.htm MAGNETIC NORTH CORRELATION OF GEOLOGIC UNITS Segregation area boundaries from the Bureau of Land Management, Arizona Strip District APPROXIMATE MEAN DECLINATION AT CENTER OF MAP, 2010 Office, St. George, Utah, http://www.blm.gov/az/st/en/fo/arizona_strip_field.html DECLINATION RANGE 11.4 TO 12.2 IN MAP AREA [Descriptions and correlations of geologic units may be found in the data source publication indicated for each cross section. Geologic units listed are found in the cross sections or are referenced in the report that accompanies this plate] National Forest boundaries accessed on February 5, 2010, at http://www.fs.fed.us/r3/gis LIST OF GEOLOGIC UNITS Private inholdings may exist in National or State reservations MAP LOCATION [Descriptions and correlations of geologic units may be found in the data source publication indicated for each cross section. SURFICIAL DEPOSITS Not all boundaries have been placed on the map owing to limitations of scale Geologic units listed are found in the cross sections or are referenced in the report that accompanies this plate] and complexity of land ownership and status Qf Holocene SURFICIAL DEPOSITS Qgy Qay Qt Ql Qv Qtr Qao Qgo QUATERNARY Segregation area boundaries are current as of October 2009. Segregation area Pleistocene boundaries are approximate Qf Flood plain deposits (Holocene) Unconformity Qgy Young alluvial terrace deposits (Holocene and Pleistocene(?)) VOLCANIC ROCKS Qay Young alluvial fan deposits (Holocene and Pleistocene(?)) 111°00 Pleistocene 114°00 113°00 112°00 37°00 37°00 Qt Travertine deposits (Holocene and Pleistocene(?)) QTmf QTu QTv Pliocene and Miocene Ql Landslide deposits (Holocene and Pleistocene(?)) QUATERNARY and Unconformity Qv Alluvial valley fill (Holocene and Pleistocene) TERTIARY SEDIMENTARY ROCKS Qtr Talus and rock fall deposits (Holocene and Pleistocene(?)) Pleistocene Tgw Pliocene and LITTLEFIELD FREDONIA GLEN CANYON DAM Qao Older alluvial fan deposits (Holocene(?) and Pleistocene) Miocene Map I–2628 SIM–3035 (mapping in progress) Unconformity (Billingsley and Workman, 2000) (Billingsley and others, 2008) Qgo Older alluvial terrace deposits (Holocene(?) and Pleistocene) http://pubs.usgs.gov/imap/i2628 http://pubs.usgs.gov/sim/3035 ^c Upper Triassic VOLCANIC ROCKS Unconformity TRIASSIC QTmf Mt. Floyd volcanic field (Pleistocene, Pliocene, and Miocene) Middle(?) and ^m QTu Uinkaret volcanic field (Pleistocene, Pliocene, and Miocene) Lower Triassic Unconformity QTv Undifferentiated volcanic rocks (Pleistocene, Pliocene, and Miocene) TERTIARY SEDIMENTARY ROCKS Pk

36°30 36°30 Tgw Rocks of the Grand Wash trough and Mesquite basin (Pleistocene, Pliocene, and Unconformity Miocene) Pt MESOZOIC AND PALEOZOIC SEDIMENTARY ROCKS Unconformity ^c Chinle Formation, undivided (Upper Triassic) Pc ^m Moenkopi Formation (Middle(?) and Lower Triassic) MOUNT TRUMBULL GRAND CANYON TUBA CITY Unconformity Lower PERMIAN Map I–2766 Map I–2688 (mapping in progress) Pk Kaibab Formation (Lower Permian)—Includes, in descending order, Harrisburg Permian Ph (Billingsley and Wellmeyer, 2000) (Billingsley, 2000) and Fossil Mountain Members, undivided http://pubs.usgs.gov/imap/i2766 http://pubs.usgs.gov/imap/i-2688 Pt Toroweap Formation (Lower Permian)—Includes, in descending order, Woods Unconformity Ranch, Brady Canyon, and Seligman Members, undivided Pc Coconino Sandstone (Lower Permian) Pe

Ph Hermit Formation (Lower Permian) Pep Supai Group Pq Upper Pennsylvanian Pe Esplanade Sandstone east of Hurricane fault (Lower Permian) * PENNSYLVANIAN Ms to Upper Mississippian 36°00 36°00 Pep Esplanade Sandstone and Pakoon Limestone west of Hurricane fault (Lower Unconformity Permian) MISSISSIPPIAN Pq Queantoweap Sandstone (Lower Permian) Ms Upper to Lower Supai Group Mississippian *Ms Wescogame (Upper Pennsylvanian), Manakacha (Middle Pennsylvanian), and Mr Watahomigi (Lower Pennsylvanian and Upper Mississippian) Formations, CAMERON PEACH SPRINGS VALLE undivided Unconformity SIM–2900 SIM–2895 SIM–2977 Ms Surprise Canyon Formation (Upper Mississippian) Upper and Middle (Billingsley, Block, and Dyer, 2006) (Billingsley, Felger, and Priest, 2006) (Billingsley and others, 2007) DEVONIAN Dtb Devonian http://pubs.usgs.gov/sim/2006/2900 http://pubs.usgs.gov/sim/2006/2895 http://pubs.usgs.gov/sim/2007/2977 Mr Redwall Limestone (Upper, Middle, and Lower Mississippian)—Includes, in descending order, Horseshoe Mesa, Mooney Falls, Thunder Springs, and Unconformity Whitmore Wash Members Dtb Temple Butte Formation (Upper and Middle Devonian) _n Upper Cambrian

_n Nopah Formation (Upper Cambrian) _m _m Muav Limestone (Middle Cambrian) Middle Cambrian CAMBRIAN Tonto Group _ba _ba Bright Angel Shale (Middle Cambrian) 35°30 Middle and Lower 35°30 _t 111°00 Group Tonto _t Tapeats Sandstone (Middle and Lower Cambrian) Cambrian 114°00 113°00 112°00 Geologic map index. Quadrangle name, U.S. Geological Survey publication number, authorship of publication, and URL where publication can be found online. Colors on index indicate geologic map units as described in quadrangle maps. EARLY PROTEROZOIC CRYSTALLINE ROCKS EARLY PROTEROZOIC CRYSTALLINE ROCKS Intrusive rocks Greatest Angular Unconformity

Xgr Granite, granitic pegmatite, and aplite Xgr EARLY PROTEROZOIC Xc Crystalline rocks, undivided Xc

A' B B' C C' A BASIN AND RANGE COLORADO PLATEAU KANAB PLATEAU KANAB SHIVWITS PLATEAU UINKARET PLATEAU UINKARET PLATEAU PLATEAU KAIBAB PLATEAU

House Rock KAIBAB Valley METERS METERS METERS ANTICLINE METERS 2,500 2,500 2,500 Black Rock 2,500 Nail canyon Little

Virgin Mountains Mountain Little Pk MONOCLINE Mountain Seegmiller Hurricane Qay Qv Wolf Hole Pc Pt

METERS UPPER EAST KAIBAB Antelope Ridge METERS Qv MONOCLINE QTv Mountain Mountain Pk Ph

2,000 BEND IN 2,000 ^c 2,000 SECTION Jumpup 2,000 2,000 2,000 QTv Clayhole Valley Pk *Ms Pe Pk Ql Point LOWER EAST KAIBAB QTv Hurricane Cliffs Valley Sunshine WILD BAND VALLEY SEVIER FAULT Ql Qtr ^m ^m ^m Sunshine Pk ^m Ql HURRICANE FAULT Pk Qay Ridge Point

Ql TOROWEAP FAULT Qay Qay ^m ^m Qay QTu Qay Qay Qay Qay Mr PqPh ^m Dutchman Draw Qao Qtr 1,500 Canyon Tombstone ^m Qay Qay 1,500 1,500 1,500 1,500 1,500 Pk Pk ^m Hurricane Wash ^m Pk Pk Pk Pk Qay Mesquite Basin Pk Pt Dtb Pt Pk Pk Kanab Creek _m * Ph Pc Pt _t _ba Ms Pt Pt Pt Pk 1,000 Xc Ph Ph Ph 1,000 1,000 1,000 1,000 1,000 Pt *Ms Pe Dtb Qay Xc Ph Ph Pep Ph Pep Xc Mr Pq Ph Dtb Mr Pq Pep Pep *Ms Pep * 500 _ *Ms Pep Ms 500 500 500 500 Xc n Dtb Pep 500 Qt Qao *Ms * _m *Ms Mr Ms Dtb Mr Dtb Dtb Mr *Ms _n _t _ba _m Xc Tgw Dtb _n Mr SEA LEVEL Mr Mr SEA LEVEL SEA LEVEL SEA LEVEL SEA LEVEL SEA LEVEL _ _ Not all Quaternary units shown t _ba _n _m m Not all Quaternary units shown VERTICAL EXAGGERATION × 20 Not all Quaternary units shown VERTICAL EXAGGERATION × 20 VERTICAL EXAGGERATION × 20 Dtb HORIZONTAL EXAGGERATION × 2 (from Billingsley and Workman, 2000) HORIZONTAL EXAGGERATION × 2 (from Billingsley and others, 2008) (from Billingsley and others, 2008) HORIZONTAL EXAGGERATION × 2

D D' E E' F F' MARBLE SHIVWITS PLATEAU GRAND CANYON COCONINO PLATEAU COCONINO PLATEAU PLATFORM METERS GRANDVIEW EAST KAIBAB METERS METERS METERS METERS MONOCLINE MONOCLINE METERS 2,500 2500 2,500 2,500 2,500 2,500

Red Butte Coconino Wash

Skinner Ridge Pk DELLENBAUGH FAULT BEND IN Grassy SECTION QTu ^m Qgy Pk GORGE Mountain Howard Red Horse Wash Red Horse Wash Ql Qv Qay Pk QTv Red Horse Wash Pc 2,000 Ql Pk 2,000 2,000 Hill Qao Qao QvQay Qv 2,000 2,000 Qv Pk 2,000 SUPAI MONOCLINE SUPAI Qay ^m Ql ^m SYNCLINE CATARACT Qgo Qf Qv Qay ^m

Paws Pocket Qgy ^m Pk Qgo Cateract Canyon Qv Qv Qay Qay Qv Qay Qv Qay Qay Pk ^m QTv Qgo ^m Qgy Qf Qgy Pt Ph *Ms Pt Pk

Qay LITTLE COLORADO RIVER Qay Pt Qay Pc Ph Pk Pk Pk Pk Pc Pk Pk Pk

HURRICANE FAULT Pt TOROWEAP FAULT Parashant Canyon Pk Mr Pk Whitmore Canyon QTu Ph Ms Prospect Valley 1,500 Pc 1,500 Pt Pc Qay 1,500 Pt Mr 1,500 1,500 Pe 1,500 Pt Pt Ph Pe Ph Pc Ph _ Pc Qay Colorado River Pe Dtb m QTu Pe *Ms QTmf *Ms _ba Dtb Ph Ph Qv *Ms Pe Ms QTv Pc Ms *Ms Ms *Ms QTu * Mr Dtb _m _t *Ms 1,000 Mr Ms 1,000 1,000 Ms _ _ba 1,000 1,000 1,000 Mr Qp Dtb Ms Mr m _t Pep Pep QTu QTu Dtb Ms *Ms * Dtb _m _ba Xc Ms *Ms _m QTu _m _ba _t 500 Mr Ms QTv _ _ 500 500 Xc 500 500 500 Ms Mr ba ba _ _ Xc Dtb Ms _t _t t ba _m _ Dtb Xc Xc m _ Xgr _ba m _m Xgr SEA LEVEL SEA LEVEL SEA LEVEL SEA LEVEL SEA LEVEL SEA LEVEL _t _ba _ba QTu Not all Quaternary units shown Not all Quaternary units shown VERTICAL EXAGGERATION × 20 Not all Quaternary units shown VERTICAL EXAGGERATION X 20 VERTICAL EXAGGERATION × 20 (from Billingsley, Felger, and Priest, 2006) HORIZONTAL EXAGGERATION × 2 (from Billingsley and others, 2007) HORIZONTAL EXAGGERATION X 2 (from Billingsley and Wellmeyer, 2003, rev. 2006) HORIZONTAL EXAGGERATION × 2

MAP SHOWING GEOLOGIC STRUCTURE, CULTURAL AND GEOGRAPHIC FEATURES, AND GEOLOGIC CROSS SECTIONS OF NORTHWESTERN ARIZONA By Kristin M. Brown and George H. Billingsley 2010