Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > Colorado
| State | Colorado |
|---|---|
| Name | Intra-ash flow andesitic lavas |
| Geologic age | Phanerozoic | Cenozoic | Tertiary |
| Original map label | Tial |
| Primary rock type | andesite |
| Secondary rock type | |
| Other rock types | |
| Lithologic constituents | Major
Igneous > Volcanic > Mafic-volcanic > Andesite |
| Map references | Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000. |
| Unit references | Tweto, Ogden 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000. |
| Geographic coverage | Archuleta - Chaffee - Conejos - Costilla - Custer - Fremont - Gunnison - Hinsdale - Mineral - Ouray - Park - Rio Grande - Saguache - San Juan |
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U.S. Department of the Interior |
U.S. Geological Survey
URL:
http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=COTial;0
Page Contact Information: Peter Schweitzer
