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Silicic to intermediate volcanic rocks
Rhyolite and dacite flows with associated minor tuffs. Commonly interbedded with Santa Fe or Gila Group sedimentary units. Dacitic lavas in northern Jemez Mountains are Pliocene.
||Silicic to intermediate volcanic rocks
||Neogene, mostly Miocene
Igneous > Volcanic > Felsic-volcanic > Rhyolite (Flow, Pyroclastic-tuff)
Igneous > Volcanic > Felsic-volcanic > Dacite (Flow, Pyroclastic-tuff)
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.
Bernalillo - Catron - Cibola - Colfax - Grant - Los Alamos - Rio Arriba - Sandoval - Sierra - Socorro - Taos