Guasasa Formation

The Guasasa Formation is a geologic formation in Cuba. It is Tithonian to Early Valanginian in age and contains fossils of ammonites.^[1]

Guasasa Formation
Stratigraphic range: Tithonian-Early Valanginian ~151–141 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Type	Formation
Sub-units	San Vicente, El Americano, Tumbadero & Tumbitas Members
Overlies	Jagua Formation
Lithology
Primary	Limestone
Other	Shale, dolomite, chert
Location
Coordinates	22.7°N 83.8°W / 22.7; -83.8
Approximate paleocoordinates	5.9°N 53.0°W / 5.9; -53.0
Region	Pinar del Río Province
Country	Cuba
Extent	Sierra de los Órganos
Type section
Named for	Guasasa
Guasasa Formation (Cuba)

Description

It primarily consists of limestone.^[2][3]

See also

• List of fossiliferous stratigraphic units in Cuba