Kirtland Formation

Kirtland Formation
Stratigraphic range: Campanian (typically Kirtlandian)
75–73.5 Ma
Kirtland Formation at its type location south of Kirtland, New Mexico
TypeGeological formation
Sub-unitsHunter Wash, Farmington and De-na-zin Members
UnderliesOjo Alamo Formation
OverliesFruitland Formation
Thickness594 m (1,949 ft)
Lithology
PrimarySandstone
OtherShale, mudstone, conglomerate
Location
Coordinates36°42′29″N 108°21′00″W / 36.708°N 108.350°W / 36.708; -108.350
Approximate paleocoordinates42°36′N 76°18′W / 42.6°N 76.3°W / 42.6; -76.3
Region New Mexico
Country USA
ExtentSan Juan Basin
Type section
Named forKirtland Post Office
Named byC.M. Bauer
Year defined1916
Kirtland Formation is located in the United States
Kirtland Formation
Kirtland Formation (the United States)
Kirtland Formation is located in New Mexico
Kirtland Formation
Kirtland Formation (New Mexico)
Kirtland Formation outcrops near Coal Creek

The Kirtland Formation (originally the Kirtland Shale) is a sedimentary geological formation.[1]