State | New Mexico |
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Name | Lower middle Tertiary volcanic rocks |
Geologic age | Lower Oligocene to upper Eocene (older than 31 Ma) |
Lithologic constituents | Major
Sedimentary > Clastic (Tuffaceous)intermediate volcaniclastic sedimentary rocks.
Igneous > Volcanic > Mafic-volcanic > Andesite (Flow, Pyroclastic-ash flow)GEOLEX
Igneous > Volcanic > Felsic-volcanic (Flow, Pyroclastic-ash flow)GEOLEX - rhyolite and latite
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References | Green, G.N., Jones, G.E., and Anderson, O.J., 1997, The Digital Geologic Map of New Mexico in ARC/INFO Format: U.S. Geological Survey Open-File Report 97-0052, 9 p., scale 1:500,000.https://pubs.er.usgs.gov/publication/ofr9752 USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/https://ngmdb.usgs.gov/Geolex/search |
NGMDB product | |
Counties | Catron - Dona Ana - Grant - Hidalgo - Luna - Rio Arriba - Sierra - Socorro |