San Jose Formation

San Jose Formation
Stratigraphic range: Wasatchian
~55.8–50 Ma
San Jose Formation capping Mesa de Cuba, northern New Mexico
TypeFormation
Sub-unitsCuba Mesa, Ditch Canyon, Llaves, Regina & Tapicitos Members
OverliesNacimiento Formation
Thickness430 m (1,410 ft)
Lithology
PrimarySandstone
OtherShale
Location
Coordinates36°17′N 107°04′W / 36.29°N 107.06°W / 36.29; -107.06
Approximate paleocoordinates41°12′N 91°42′W / 41.2°N 91.7°W / 41.2; -91.7
RegionNew Mexico
Country United States
ExtentSan Juan Basin
Type section
Named forSan Jose Valley (36°10′48″N 106°55′37″W / 36.180°N 106.927°W / 36.180; -106.927)
Named byG.G. Simpson
Year defined1948
San Jose Formation is located in the United States
San Jose Formation
San Jose Formation (the United States)
San Jose Formation is located in New Mexico
San Jose Formation
San Jose Formation (New Mexico)

The San Jose Formation is an Early Eocene (Wasatchian in the NALMA classification) geologic formation in the San Juan Basin of New Mexico and Colorado.[1]