Rhyolitic intrusive rocks and flows of late-volcanic bimodal suite

Rhyolitic intrusive rocks and flows of late-volcanic bimodal suite
State Colorado
Name Rhyolitic intrusive rocks and flows of late-volcanic bimodal suite
Geologic age Tertiary
Lithologic constituents
Major
Igneous > Volcanic > Felsic-volcanic > Rhyolite
References

Tweto, Ogden, 1979, Geologic Map of Colorado: U.S. Geological Survey Special Geologic Map, scale 1:500,000.

NGMDB product
Counties Chaffee - Conejos - Eagle - Grand - Gunnison - Hinsdale - Rio Grande - Routt - San Juan