San Carlos Tuff from San Carlos caldera in Mexico

San Carlos Tuff from San Carlos caldera in Mexico
State Texas
Name San Carlos Tuff from San Carlos caldera in Mexico
Geologic age Oligocene
Lithologic constituents
Major
Igneous > Volcanic > Felsic-volcanic > Rhyolite (Pyroclastic-ash flow)ash-flow tuff erupted from a caldera in Sierra Rica area in Chihuahua, MX
Comments mapped as intrusive igneous rock mass of Tertiary age on Emory Peak-Presidio Sheet (1979). Is an ash-flow tuff erupted froma caldera in Sierra Rica area in Chihuahua, MX
References

Henry, C.D., McDowell, F.W., Price, J.G., and Smyth, R.E., 1986, Geochronology of Tertiary igneous rocks, Trans-Pecos, Texas, in Price, J.G. and others, eds., Igneous geology of Trans-Pecos, Texas: The University of Texas at Austin, Bureau of Economic Geology Circular 86-2, 34 p.

Bureau of Economic Geology, 1992, Geologic Map of Texas: University of Texas at Austin, Virgil E. Barnes, project supervisor, Hartmann, B.M. and Scranton, D.F., cartography, scale 1:500,000.

NGMDB product
Counties Presidio