Bull Canyon Formation of Chinle Group (NMTRb;0)

State	New Mexico
Name	Bull Canyon Formation of Chinle Group
Geologic age	Phanerozoic \| Mesozoic \| Triassic
Original map label	@b
Comments	80% mudstone, 16% sandstone, 4% siltstone and conglomerate
Primary rock type	mudstone
Secondary rock type	sandstone
Other rock types	conglomerate
Lithologic constituents	Major Sedimentary > Clastic > Mudstone (Bed)no lith description on map Minor Sedimentary > Clastic > Sandstone (Bed)no lith description on map
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. [http://pubs.er.usgs.gov/publication/ofr9752]
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. [http://pubs.er.usgs.gov/publication/ofr9752] U.S. Geological Survey, 1992, Stratigraphic Nomenclature Databases for the United States, its possessions and territories: U.S. Geological Survey Digital Data Series DDS-6 (CD). [http://pubs.er.usgs.gov/publication/ds6] USGS Geologic Names Lexicon (GEOLEX) [http://ngmdb.usgs.gov/Geolex/]
Geographic coverage	Harding - Quay - San Miguel