State | New Mexico |
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Name | Upper Cretaceous rocks of southwestern New Mexico, undivided |
Geologic age | Maastrichtian to Cenomanian |
Lithologic constituents |
Major
Sedimentary > Clastic > Conglomerate (Bed)no lith description on map - description from GEOLEX
Sedimentary > Clastic > Mudstone > Shale (Bed)no lith description on map - description from GEOLEX
Sedimentary > Clastic > Sandstone (Bed)no lith description on map - description from GEOLEX
Minor
Sedimentary > Carbonate > Limestone (Bed, Lens)no lith description on map - description from GEOLEX
Metamorphic > Metasedimentary > Metaclastic > Quartziteno lith description on map - description from GEOLEX
Incidental
Igneous > Volcanic (Flow, Volcaniclastic-volcanic breccia)no lith description on map - description from GEOLEX - Ringbone Formation - Upper third has basalt and andesite porphyry flows and basaltic volcanic breccia interbedded with black shale.
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References | 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.https://pubs.er.usgs.gov/publication/ofr9752 USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/https://ngmdb.usgs.gov/Geolex/search |
NGMDB product | |
Counties | Colfax - Grant - Hidalgo - Luna - McKinley - Mora - Sandoval - San Juan - San Miguel - Santa Fe - Sierra - Valencia |