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San Rafael Group

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Consists of Entrada Sandstone, Todilto and Summerville Formations, Bluff Sandstone, and locally Zuni Sandstone (or only Acoma Tongue of Zuni).
State New Mexico
Name San Rafael Group
Geologic age Middle Jurassic
Lithologic constituents
Major
Sedimentary > Clastic > Siltstone (Bed)no lith description on map - description from GEOLEX
Sedimentary > Clastic > Sandstone (Bed)no lith description on map - description from GEOLEX
Minor
Sedimentary > Clastic > Mudstone > Shale (Bed)no lith description on map - description from GEOLEX (Zuni)
Sedimentary > Carbonate > Limestone (Bed)no lith description on map - description from GEOLEX (Todilto Formation)
Incidental
Sedimentary > Chemical > Evaporite > Gypsum (Bed)no lith description on map - description from GEOLEX (Zuni)
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 Bernalillo - Cibola - Guadalupe - McKinley - Quay - Rio Arriba - Sandoval - San Juan - San Miguel - Santa Fe - Valencia