Bell Ranch Formation

Bell Ranch Formation
Stratigraphic range: Kimmeridgian
~155–151 Ma
TypeGeological formation
Unit ofSan Rafael Group
UnderliesMorrison Formation
OverliesExeter Sandstone
Thickness66 feet (20 m)
Lithology
PrimarySandstone
OtherSiltstone
Location
Coordinates35°18′14″N 103°53′12″W / 35.3040°N 103.8867°W / 35.3040; -103.8867
Approximate paleocoordinates31°30′N 49°42′W / 31.5°N 49.7°W / 31.5; -49.7
RegionNew Mexico
Oklahoma
Country United States
Type section
Named forBell Ranch
Named byGriggs and Read
Year defined1959
Bell Ranch Formation is located in the United States
Bell Ranch Formation
Bell Ranch Formation (the United States)
Bell Ranch Formation is located in New Mexico
Bell Ranch Formation
Bell Ranch Formation (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]