Cabrillo Formation

The Cabrillo Formation is a Maastrichtian stage geologic formation in coastal San Diego County, southern California. It is part of the Rosario Group.^[2] The Maastrichtian stage is of the Late Cretaceous Epoch, during the Mesozoic Era.

Cabrillo Formation
Stratigraphic range: Maastrichtian stage, Late Cretaceous Epoch
Type	Geological formation
Unit of	Rosario Group
Overlies	Point Loma Formation
Lithology
Primary	sandstones, conglomerates
Location
Region	North America
Country	United States
Extent	Point Loma and Mount Soledad, San Diego County California
Type section
Named for	Cabrillo National Monument
Named by	Kennedy and Moore, 1971[1]

The formation is found on the eastern and southwestern sides of the Point Loma peninsula including in Cabrillo National Monument, and on Mount Soledad, both within the city of San Diego.^[2][3]

The Cabrillo Formation overlies the Point Loma Formation.

Fossils

A single tooth from the cartilaginous fish Squalicorax has been recovered from the Cabrillo Formation sediments of Cabrillo National Monument.^[2][4]

See also

• Cretaceous California
• Geology of San Diego County, California