Earth:Río Hatillo Formation

From HandWiki
Short description: Geologic formation in the Dominican Republic
Rio Hatillo Formation
Stratigraphic range: Early Albian
TypeFormation
Lithology
PrimarySandstone
OtherConglomerate, limestone
Location
Coordinates [ ⚑ ] : 19°12′N 70°42′W / 19.2°N 70.7°W / 19.2; -70.7
Country Dominican Republic
Río Hatillo Formation is located in the Dominican Republic
Río Hatillo Formation
Río Hatillo Formation (the Dominican Republic)

The Río Hatillo Formation is a geologic formation in Dominican Republic. It preserves bivalve, echinoid, gastropod and ammonite fossils dating back to the Early Albian period.

Description

Río Hatillo Formation comprises a basal conglomerate, sandstones and calcareous sandstones, covered by a massive biogenic limestone. The formation was probably deposited in a shallow, near-shore environment as part of the Cretaceous Volcanic Arc sections.[1]

See also

  • List of fossiliferous stratigraphic units in the Dominican Republic

References

Further reading

  • R. Myczynski and M. Iturralde Vinent. 2005. The Late Lower Albian Invertebrate Fauna of the Río Hatillo Formation of Pueblo Viejo, Dominican Republic. Caribbean Journal of Science 41(4):782-796