Guasasa Formation

Guasasa Formation
Stratigraphic range: Tithonian-Early Valanginian
~151–141 Ma
TypeFormation
Sub-unitsSan Vicente, El Americano, Tumbadero & Tumbitas Members
OverliesJagua Formation
Lithology
PrimaryLimestone
OtherShale, dolomite, chert
Location
Coordinates22°42′N 83°48′W / 22.7°N 83.8°W / 22.7; -83.8
Approximate paleocoordinates5°54′N 53°00′W / 5.9°N 53.0°W / 5.9; -53.0
RegionPinar del Río Province
Country Cuba
ExtentSierra de los Órganos
Type section
Named forGuasasa
Guasasa Formation is located in Cuba
Guasasa Formation
Guasasa Formation (Cuba)

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

Description

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

See also

References

  1. ^ Guasasa Formation at Fossilworks.org
  2. ^ Pszczółkowski, Andrzej; Myczyński, Ryszard (March 2010). "Tithonian–Early Valanginian evolution of deposition along the proto-Caribbean margin of North America recorded in Guaniguanico successions (western Cuba)". Journal of South American Earth Sciences. 29 (2): 225–253. Bibcode:2010JSAES..29..225P. doi:10.1016/j.jsames.2009.07.004. ISSN 0895-9811.
  3. ^ López-Martínez, Rafael; Barragán, Ricardo; Reháková, Daniela; Cobiella-Reguera, Jorge Luis (2013-06-01). "Calpionellid distribution and microfacies across the Jurassic/ Cretaceous boundary in western Cuba (Sierra de los Órganos)". Geologica Carpathica. 64 (3): 195–208. Bibcode:2013GCarp..64..195L. doi:10.2478/geoca-2013-0014. ISSN 1336-8052.

Further reading