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mafic metamorphic rocks, lower Proterozoic

Lower Proterozoic metamorphic rocks, dominantly mafic (1720-1760 Ma)
StateNew Mexico
Namemafic metamorphic rocks, lower Proterozoic
Geologic ageProterozoic | Paleoproterozoic
Original map labelXmo
CommentsProtolith unknown (i.e. volcanic or plutonic). Assumed to be volcanic.
Primary rock typemafic metavolcanic rock
Secondary rock type
Other rock types
Lithologic constituents
Map references
Anderson, O.J., Jones.G.E., and Green, G.N., compilers, 1997, Geologic map of New Mexico: U.S. Geological Survey Open-File Report 97-52.
Unit references
Anderson, O.J., Jones.G.E., and Green, G.N., compilers, 1997, Geologic map of New Mexico: U.S. Geological Survey Open-File Report 97-52.
Geographic coverageBernalillo - Cibola - Colfax - Mora - Rio Arriba - San Miguel - Santa Fe - Taos - Torrance - Valencia

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