Upper middle Tertiary rhyolitic lavas and local tuffs

Includes Taylor Creek Rhyolite, Fanney Rhyolite, rhyolite of Rocky Canyon, rhyolite of Hardy Ridge, and upper rhyolite members of the Luis Lopez and Sawmill Canyon formations.
State New Mexico
Name Upper middle Tertiary rhyolitic lavas and local tuffs
Geologic age Upper Oligocene (24-29 Ma)
Lithologic constituents
Major
Igneous > Volcanic > Felsic-volcanic > Rhyolite (Flow, Pyroclastic-tuff)
References
NGMDB product
Counties Catron - Grant - Hidalgo - Luna - Sierra - Socorro - Taos