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Intertongued Mancos Shale and Dakota Sandstone of west-central New Mexico

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Includes the Whitewater Arroyo Tongue of Mancos Shale and the Twowells Tongue of the Dakota.
State New Mexico
Name Intertongued Mancos Shale and Dakota Sandstone of west-central New Mexico
Geologic age Cenomanian
Lithologic constituents
Major
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
References

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).

USGS Geologic Names lexicon found at: http://ngmdb.usgs.gov/Geolex/

https://ngmdb.usgs.gov/Geolex/search
NGMDB product
Counties Bernalillo - Catron - Cibola - Lincoln - McKinley - Otero - Sandoval - Sierra - Socorro - Valencia