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Middle Tertiary volcanic rocks, undifferentiated
Includes the predominantly andesitic to dacitic stratovolcano complex at Sierra Blanca (Oligocene to upper Eocene) and many smaller outliers.
||Middle Tertiary volcanic rocks, undifferentiated
||Lower Miocene to upper Eocene
Igneous > Volcanic > Felsic-volcanic > Dacite (Flow)
Igneous > Volcanic > Mafic-volcanic > Andesite (Flow)
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.
Colfax - Lincoln - Luna - Otero - Rio Arriba - Sierra - Socorro