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Lower middle Tertiary rhyolitic lavas and local tuffs

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Includes Mimbres Peak Formation, rhyolite of Cedar Hills, and other units in the Bootheal region.
State New Mexico
Name Lower middle Tertiary rhyolitic lavas and local tuffs
Geologic age Lower Oligocene to upper Eocene (31-36 Ma)
Lithologic constituents
Major
Igneous > Volcanic > Felsic-volcanic > Rhyolite (Flow, Pyroclastic-tuff)
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
NGMDB product
Counties Catron - Dona Ana - Grant - Hidalgo - Luna - Sierra