Sandia Formation (NMPAs;0)

State	New Mexico
Name	Sandia Formation
Geologic age	Phanerozoic \| Paleozoic \| Carboniferous Pennsylvanian
Original map label	&s
Primary rock type	sandstone
Secondary rock type	shale
Other rock types	limestone; conglomerate
Lithologic constituents	Major Sedimentary > Clastic > Sandstone (Bed)predominantly clastic (commonly arkosic) with minor black shales, and limestone. Minor Sedimentary > Carbonate > Limestone (Bed)predominantly clastic (commonly arkosic) with minor black shales, and limestone. Sedimentary > Clastic > Mudstone > Shale (Bed)predominantly clastic (commonly arkosic) with minor black shales, and limestone. Incidental Sedimentary > Clastic > Conglomerate (Bed)predominantly clastic (commonly arkosic) with minor black shales, and limestone.
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. [http://pubs.er.usgs.gov/publication/ofr9752]
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. [http://pubs.er.usgs.gov/publication/ofr9752]
Geographic coverage	Bernalillo - Rio Arriba - Sandoval - San Miguel - Santa Fe - Socorro - Taos - Torrance - Valencia