Rhyolite flows, tuff, and intrusive igneous rocks

Includes Plateau Rhyolite (age about 0.07 Ma) and interlayered sediments, Mount Jackson Rhyolite (age 0.6 to about 1 Ma), Lewis Canyon Rhyolite (age about 0.9 Ma); and Lava Creek Tuff of Yellowstone Group (age 0.6 to about 1 Ma).
State Wyoming
Name Rhyolite flows, tuff, and intrusive igneous rocks
Geologic age Pleistocene
Lithologic constituents
Major
Igneous > Volcanic > Felsic-volcanic > Rhyolite (Flow)
Minor
Igneous > Plutonicintrusive igneous rocks
References
NGMDB product
Counties Park - Teton