Jarao Formation

Jarao Formation
Jarao Formation
Stratigraphic range: Santonian; ~85.8–84.9 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Formation
Lithology
Primary	Limestone
Other	Tuff
Location
Coordinates	22°06′N 79°42′W / 22.1°N 79.7°W
Approximate paleocoordinates	13°48′N 58°30′W / 13.8°N 58.5°W
Region	Sancti Spíritus Province
Country	Cuba
Type section
Named for	El Jarao
	Jarao Formation (Cuba)

The Jarao Formation is a geologic formation in Cuba. The dark-colored limestone intercalated with volcanic and tuffaceous formation preserves rudist fossils of Vaccinites inaequicostatus and dates back to the Santonian period.^[1]

References

Bermúdez, Pedro J (1961), "Las formaciones geológicas de Cuba" (PDF), Geología Cubana, 1: 1–180, retrieved 2019-02-06
R. Rojas, M. Iturralde Vinent, and P. W. Skelton. 1995. Stratigraphy, composition and age of Cuban rudist-bearing deposits. Revista Mexicana de Ciencias Geológicas 12(2):272-291

Jarao Formation
Stratigraphic range: Santonian ~85.8–84.9 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Type	Formation
Lithology
Primary	Limestone
Other	Tuff
Location
Coordinates	22°06′N 79°42′W / 22.1°N 79.7°W / 22.1; -79.7
Approximate paleocoordinates	13°48′N 58°30′W / 13.8°N 58.5°W / 13.8; -58.5
Region	Sancti Spíritus Province
Country	Cuba
Type section
Named for	El Jarao
Jarao Formation (Cuba)