Paleoproterozoic quartzite

Includes 1.70 Ga Ortega Quartzite and equivalents in northern New Mexico and 1.67 Ga quartzites in central New Mexico.
State New Mexico
Name Paleoproterozoic quartzite
Geologic age Paleoproterozoic
Lithologic constituents
Metamorphic > Metasedimentary > Metaclastic > Quartzite

New Mexico Bureau of Geology and Mineral Resources, 2003, Geologic Map of New Mexico, scale 1:500,000 (includes some new polygons, faults, and attributes not in NM001 - heads up digitizing by JHorton).

NGMDB product
Counties Bernalillo - Colfax - Dona Ana - Mora - Rio Arriba - Sandoval - Santa Fe - Sierra - Socorro - Taos - Torrance - Valencia