Geologic Map of John Day Fossil Beds National Monument National Park Service Oregon U.S. Department of the Interior

Qls Tcsr Tjk Map 1: Sheep Rock Unit Map 2: Clarno Unit Qp Tcr Map 3: Painted Hills Unit Qp Tjlb B Tjfb Tjmb r Qp1 Tjh Tca k id Tjut Qp2 B e g r re e a Tjlbb C Tjmb n r C Tjk Tjlb a r so ee Tjd Qae Tjd n Qp e k C B re Qp2 e Tjmb Tjlb Qls Tjut k Tcrbp Tjbs Tcsr Qal Tcsr Tcr Tji Qae Tjlt Tji Qal Foree Tcrbpi Tcr L L R I M Area Tcg R R O Tji Tja Tcg A k Qal C Tji ree Tcrh C Tjlt ep 19 Tjlbb Qp De Tjmb S Tjub I L L Tcg H

Tcch Tcau Tjmb D Tja Tjmb E Tja T Qal Qls N B Tjlt Tcd I u A r Tcrbpi Tjub P n Tjd Tja Tcch Tjub t Tcch R Tcrbp a Tcsr n ch CATHEDRAL Tjub R Tjlt Tcau Qal o ROCK J Qls a o d h Cree Tcrh Tjd n ny k hn Tcsr o Hancock J Tja Tjlb Tjanb D Field Tjmb a Station Tcla Tcr Tjlb Tjlb y Qls Tjan Tjlb

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R Tcch i Qls N Tcsr v YO e N Tcrbp 218 Tcch Tclc CA Tcch Tjlb r Tcrh Qls

Qls K Tjlb MZPZm C Qal Tcg O C THE Tcah N Tcap Tccp A Tcap DES Tcan H LISA Tcrbp Tcab Tcap PA Tcg Qls Tjan Qal Qal Pine Creek North 0 1,200 2,400 3,600 Tcap North 0 0.5 1 Feet Qae Miles Dic Kilometers k C Meters Tcap Tccp Tccp Tccp S re 0 250 500 750 0 0.5 1 Tcr Tca qu e Qls aw k Tjd Cre Blue ek Basin NPS Boundary Area Tjmbb Middle Big Basin Member basalt MapFossil 4: Full Extent, Areas of Detail in Yellow Tjlb Lower Big Basin Member claystones Tcrbp Tcrbp Infrastructure Tjanb Lower Big Basin Member, andesite saprolite breccia Map 2: Clarno Unit cities MZPZm Tjan Lower Big Basin Member, andesite of Sand Mountain structures Tjbs Lower Big Basin Member, volcaniclastic deposits 218 points of interest 207 Tjlbb Lower Big Basin Member, member B basalts 19 GOOSE ROCK roads Kc Tja Lower Big Basin Member, welded tuff of member A Qls Water Tcl Clarno Formation Spray Qls rivers Tcg claystones of Brown Grotto Kc Kc Tjd Faults Tcan andesite flows unknown offset/displacement, known or certain Tcsr rhyolitic saprolite James Cant Ranch Kimberly

Thomas Condon Historic District unknown offset/displacement, approximate Tcr rhyolite of Bear Creek John r Paleontology Day Rive unknown offset/displacement, concealed Tcs claystones of Sand Mountain Center and Qls Visitor Center normal fault, known or approximate Tca andesite of Bridge Creek Canyon 19 Tcrbp Tcm claystones of Meyers Canyon Linear Geologic Units 207 Tcla lower Clarno andesite flows Map 3: Painted Hills Unit Tcrbp Qls Tjft - Lower Big Basin Member, member F Tuff, approximate Tcq siltstones of the Mammal Quarry Sheep Rock Tcah andesite of Horse Mountain 3360ft Geologic Units Qae 1024m water Tcau andesite of Horse Mountain, upper andesite Map 1: Sheep Rock Unit Tjd Tjd Qal Alluvium Tcrc andesite of Horse Mountain, red claystones Qls Mitchell Qae Alluvium, eolian/fluvial Tcrh claystones of Red Hill Qp Pediments Tcrg claystones of Red Hill, cobble conglomerate Qp1 Pediments, lower surface Tcrbp Tcch conglomerates of Hancock Canyon 26 Tm Tm Qp2 Pediments, upper surface Tct conglomerates of Hancock Canyon, welded tuff 0 9 18 P North I Qt Miles k C Tm Terrace alluvium Tcab e T conglomerates of Hancock Canyon, amygdaloidal basalt Kilometers re U Tm C R Qls Landslides Tcam conglomerates of Hancock Canyon, middle andesite 0 10 20 E Tm

Qae k QTr Rattlesnake Formation, Ashflow Tuff Tccp conglomerates of the Palisades c G Ro O Tm Mascall Formation Tcap andesite of Pine Creek R This map was produced by Ian Hageman (Colorado State University) and Georgia Hybels (NPS Geologic Resources Division) in August 2014. It is an overview of 26 G Tcrb Columbia River Basalt Group Tcd Hancock dacite dome compiled geologic data prepared as part of the NPS Geologic Resources Inventory. This map is not a substitute for site-specific investigations. E Tcrbp Tcrbu undivided Tclc lower Clarno conglomerates Qls QTr Tcrbp Picture Gorge Basalt The source maps used in creation of the digital geologic data were: Krx Cretaceous rocks Qls Tm Tcrbpi Picture Gorge Basalt, basalt dikes Kc Mitchell Group, conglomerate w/ intercalated sandstone lenses Bestland, E.A. and Retallack, G.J. 1994. Geology and Paleoenvironments of the Clarno Unit, John Day Fossil Beds National Monument, Oregon (1:7,300 scale). lesnake tt C Qae Tcrbpii Picture Gorge Basalt, basaltic irregular intrusion Ra reek Ks Mitchell Group, sedimentary rocks Final Report NPS Contract CX-9000-1-10009. Tjd John Day Formation QTr Ki1 Nevadean Intrusives, dioritic intrusive rocks QTr Tm Bestland, E.A. and Retallack, G.J. 1994. Geology and Paleoenvironments of the Painted Hills Unit, John Day Fossil Beds National Monument, Oregon (1:7,300 Tjh Haystack Valley Member Tcrbp TRv Olds Ferry Terrane, Vester Formation scale). Final Report NPS Contract CX-9000-1-10009. Tjk Kimberly Member TRsp Baker Terrane, igneous and metamorphic rocks Tcrbu Niewendorp, C.A., Jenks, M.D., Ferns, M.L., Madin, I.P., Staub, P.E., and Ma, L. 2006. Oregon Geologic Data Compilation - Release 3, State of Oregon 0 1 2 3 Tjut Upper Turtle Cove Member MZPZm Baker Terrane, metamorphic rocks North Qal (1:100,000 scale). Oregon Department of Geology and Mineral Industries OGDC-3. Miles Tm Tji Picture Gorge ignimbrite PZu1 Baker Terrane, sedimentary, volcanic, and metamorphic rocks Kilometers Tjlt Lower Turtle Cove Member As per source map scale and U.S. National Map Accuracy Standards, geologic features represented here are within 4 m (12 ft) (1:7,300 scale data) or 50 m (166 ft) (1:100,000 scale data) of their true location. 0 1 2 3 QTr Tjub Upper Big Basin Member Tjmb Middle Big Basin Member All digital geologic data and publications prepared as part of the Geologic Resources Inventory are available at the NPS Integrated Resource Management Tjfb Middle Big Basin Member; member F basalts Applications Portal (IRMA): https://irma.nps.gov/App/Reference/Search. Enter “GRI” as the search text and select a park from the unit list.