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Guasasa Formation

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Guasasa Formation
Stratigraphic range: Tithonian-Early Valanginian
~151–141 Ma PreꞒ O S D C P T J K Pg N
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 CubaGuasasa FormationGuasasa Formation (Cuba)

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

Description

It primarily consists of limestone.

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

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