Guasasa Formation

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Guasasa Formation
Stratigraphic range: Tithonian-Early Valanginian
~151–141  Ma
Type Formation
Sub-unitsSan Vicente, El Americano, Tumbadero & Tumbitas Members
Overlies Jagua Formation
Lithology
Primary Limestone
Other Shale, dolomite, chert
Location
Coordinates 22°42′N83°48′W / 22.7°N 83.8°W / 22.7; -83.8
Approximate paleocoordinates 5°54′N53°00′W / 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
Cuba physical map.svg
Cyan pog.svg
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]

Contents

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. Archived from the original on 2018-06-02. Retrieved 2018-08-19.

Further reading