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Chinle Group

Chinle Group; Upper Triassic; includes Moenkopi Formation (Middle Triassic) at base in many areas; in eastern part of state the following five formations are mapped:
State New Mexico
Name Chinle Group
Geologic age Phanerozoic | Mesozoic | Triassic
Primary rock type medium-grained mixed clastic
Secondary rock type fine-grained mixed clastic
Other rock types limestone; chert; evaporite
Lithologic constituents
Major
Sedimentary > Clastic > Mixed-clastic (Bed)no lith description on map
Minor
Sedimentary > Carbonate (Bed)limestone and marl
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.
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.
USGS Geologic Names Lexicon (GEOLEX)
Counties Bernalillo - Catron - Cibola - Colfax - Harding - Lincoln - McKinley - Mora - Otero - Rio Arriba - Sandoval - San Juan - San Miguel - Santa Fe - Socorro - Taos - Torrance - Union - Valencia