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Ash-flow tuff of main volcanic sequence

Includes many named units
StateColorado
NameAsh-flow tuff of main volcanic sequence
Geologic agePhanerozoic | Cenozoic | Tertiary
Original map labelTaf
Primary rock typeash-flow tuff
Secondary rock type
Other rock types
Lithologic constituents
Major
Igneous > Volcanic (Pyroclastic, ash-flow)ash-flow tuff
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 coverageArchuleta - Chaffee - Conejos - Custer - Fremont - Grand - Gunnison - Hinsdale - Jackson - Lake - Larimer - Mineral - Montrose - Ouray - Park - Pitkin - Rio Grande - Saguache - San Juan - San Miguel

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URL: http://mrdata.usgs.gov/geology/state/sgmc-unit.php?unit=COTaf;0
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