Casma Group

Casma Group
Stratigraphic range: Albian-Cenomanian
TypeGeological group
Lithology
PrimaryLimestone, marl, sandstone, conglomerate
OtherGypsum, tuff
Location
Coordinates10°54′S 76°48′W / 10.9°S 76.8°W / -10.9; -76.8
RegionCasma Province, Ancash Region
Country Peru
ExtentWest Peruvian Basin
Type section
Named forCasma
Casma Group is located in Peru
Casma Group
Casma Group (Peru)

The Casma Group (Spanish: Grupo Casma) is a stratigraphic group of Cretaceous (Albian to Cenomanian) sedimentary formations exposed along the coast and within the Cordillera Occidental near Casma, Peru.