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Older rhyolite lavas and early volcaniclastic sedimentary fill deposits of the Valles caldera

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Units are associated with resurgent doming or predate doming of the caldera core. Includes minor middle Pleistocene tuffs of the upper Valles Rhyolite on north side of caldera.
State New Mexico
Name Older rhyolite lavas and early volcaniclastic sedimentary fill deposits of the Valles caldera
Geologic age Lower Pleistocene
Lithologic constituents
Major
Sedimentary > Clastic > Mixed-clastic (Bed)early volcaniclastic sedimentary fill deposits of the Valles caldera
Igneous > Volcanic > Felsic-volcanic > Rhyolite (Flow, Pyroclastic-tuff)Older rhyolite lavas
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 Los Alamos - Rio Arriba - Sandoval