1. Mineral Resources
  2. Online Spatial Data
  3. Geology
  4. by state
  5. New Mexico

Upper Cretaceous rocks of southwestern New Mexico, undivided

XML
JSON
Beartooth and Sarten Formations are in part Albian. Includes Virden Formation in northern Hidalgo County, Ringbone Formation in Hidalgo, Luna and Grant Counties, Mancos Shale in Silver City area.
State New Mexico
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.
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