Much of the CGS website is under heavy re-construction and will be for some time. The Publications area is working normally, but there is a lot of content from our original site that was in desperate need of updating. Please bear with us as we gather new information and rewrite hundreds of pages of material, gather and properly caption high-resolution images and otherwise bring you some very cool new and archival material never before seen! Stay in touch by subscribing to the >RockTalk< blog where we will announce new items periodically.
Colorado has some of the most varied, spectacular, and ultimately visible geology in the nation, spanning 2.7 billion years of the Earth’s history. From the eastern High Plains, to the central Rockies soaring more than 14,000 ft (4,200 m) above sea level, and to the western red-rock canyons, Colorado has incredibly diverse rocks, minerals, and fossils, along with many active geological processes and hazards.
The CGS is a leading scientific organization studying the geology and the complex geological processes around the state, producing detailed geologic, groundwater, and geologic hazard maps, along with mineral and energy resource information. The staff at the CGS combine expert field-work with laboratory and bibliographic research to describe and map Colorado geology. Funding sources include the U.S. Geological Survey’s National Cooperative Geologic Mapping Program (STATEMAP) as well as other local, state, and federal agencies. CGS data, maps, and publications, most of them free for download, are found through our GIS/Data index and the CGS Bookstore.
Geology
A recent geologic quad map:
OF-18-05 Geologic Map of the Antero Reservoir NE Quadrangle, Park County, ColoradoLatest Reports & Featured Topics
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MS-53 Colorado Stratigraphic Chart
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SP-52 Messages in Stone: Colorado’s Colorful Geology (2nd Edition)
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MI-65 Geology Tour of Denver’s Capitol Hill Stone Buildings
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IS-30 Bibliography and Index of Colorado Geology, 1984-1989
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MI-29 Geology of Boulder, Colorado, U.S.A.
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MI-63 Geologic Sections Across Colorado (Tweto)
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MI-27 Geology of Denver, Colorado, U.S.A.