Bell Ranch Formation

Bell Ranch Formation
Stratigraphic range: Kimmeridgian ~155–151 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Geological formation
Unit of	San Rafael Group
Underlies	Morrison Formation
Overlies	Exeter Sandstone
Thickness	66 feet (20 m)
Lithology
Primary	Sandstone
Other	Siltstone
Location
Coordinates	35°18′14″N 103°53′12″W / 35.3040°N 103.8867°W / 35.3040; -103.8867
Approximate paleocoordinates	31°30′N 49°42′W / 31.5°N 49.7°W / 31.5; -49.7
Region	New Mexico Oklahoma
Country	United States
Type section
Named for	Bell Ranch
Named by	Griggs and Read
Year defined	1959
Bell Ranch Formation (the United States) Show map of the United States Bell Ranch Formation (New Mexico) Show map of New Mexico

The Bell Ranch Formation is a Late Jurassic (Kimmeridgian) geologic formation in eastern and northeastern New Mexico and the western Oklahoma panhandle. Fossil theropod tracks have been reported from the formation.^[1][2]