Western Earth Surface Processes Team

USGS Banner with view of North Rim from the Bright Angel Trail

Grand Canyon Regional Geology and Geologic Maps
This website provides access to selected geologic mapping in the Grand Canyon region. Mapping products presented here include digital geologic databases of 1:100,000-scale maps that can be powerfully adapted to multiple tasks. They can be used to conduct geologic inquiries, to help evaluate of geologic hazards, and help agencies manage their natural resources. The digital map databases were produced by the USGS Western Earth Surface Processes Team.
Information on geologic maps U.S. Geological Survey mapping in the Grand Canyon region (Selected 30 x 60 degree quadrangle regions available on-line) Billingsley, George H.; Wellmeyer, Jessica L., 2003, Geologic map of the Mount Trumbull 30 X 60 quadrangle, Mohave and Coconino Counties, Northwestern Arizona: U.S. Geological Survey Geologic Investigations Series I-2766, map scale 1:100,000; 36 p. pamphlet. http://pubs.usgs.gov/imap/i2766/ Billingsley, G. H., 2000, Geologic map of the Grand Canyon 30' x 60' quadrangle, Coconino and Mohave Counties, northwestern Arizona: U.S. Geological Survey Geologic Investigations Series I-2688, map scale 1:100,000. http://pubs.usgs.gov/imap/i-2688/ Billingsley, G. H.; Workman, J. B., 2000, Geologic map of the Littlefield 30' x 60' quadrangle, Mohave County, northwestern Arizona: U.S. Geological Survey Geologic Investigations Series I-2628, map scale 1:100,000; 2 sheets, 25 p. pamphlet. http://pubs.usgs.gov/i-map/i2628/ Billingsley, George H.; Felger, Tracey J.; Priest, Susan S., 2006, Geologic map of the Valle 30' x 60' quadrangle, Coconino County, northern Arizona: U.S. Geological Survey Scientific Information Map 2895, map scale 1:100,000; 23 p. pamphlet. http://pubs.usgs.gov/sim/2006/2895/ Beard, L.S., Anderson, R.E., Block, D.L., Bohannon, R.G., Brady, R.J., Castor, S.B., Duebendorfer, E.M., Faulds, J.E., Felger, T.J., Howard, K.A., Kuntz, M.A., and Williams, V.S., 2007, Preliminary geologic map of the Lake Mead 30' X 60' quadrangle, Clark County, Nevada, and Mohave County, Arizona: U.S. Geological Survey Open-File Report 2007-1010, 109 p., 3 plates, scale 1:100,000. http://pubs.usgs.gov/of/2007/1010/		Selected 30 x 60 degree (1:100,000 scale) geologic quadrangle maps of northwestern Arizona. Click on the map for more information.
Please note! This website does not include all published map information about Northern Arizona! For additional USGS technical published reports, maps, and information search the USGS Publications Warehouse. There are many publications and maps also produced about Northern Arizona by the USGS and other organizations including: Arizona Geological Survey Grand Canyon National Park Grand Canyon Association The USGS National Geologic Map Database provides access to geologic maps and other kinds of maps on many scales. A search on the Internet may also lead you to other resources not shown here. Many libraries have older, printed publications that are not yet available online. US Geologial Survey contacts This is a selected list of USGS personnel involved in Grand Canyon regional geology, geophysics, and geologic mapping. USGS National Cooperative Geologic Mapping Program		Selected USGS science research centers in Northern Arizona: USGS Flagstaff Science Center http://wwwflag.wr.usgs.gov/ Grand Canyon Monitoring and Research Center http://www.gcmrc.gov/gcmrc.htm Selected on-line geology tours and information for Northern Arizona: Grand Canyon National Park Wupatki National Monument Walnut Canyon National Monument Glen Canyon National Recreation Area Sunset Crater National Monument San Francisco Volcanic Field Park Stratigraphy of the Colorado Plateau USGS Navajo Nation Studies

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Grand Canyon Regional Geology and Geologic Maps