El Mamey Formation Explained

El Mamey Formation
Type:	Formation
Age:	Burdigalian-Langhian
Period:	Langhian
Prilithology:	Shale, sandstone, conglomerate
Otherlithology:	Dominican amber
Coordinates:	19.5°N -70.7°W
Paleocoordinates:	19.3°N -69.5°W

The El Mamey Formation is a geologic formation in the Dominican Republic. The formation consists of shales and sandstones interspersed with a conglomerate of well-rounded pebbles, deposited in a fluvio-deltaic environment. El Mamey Formation is one of the formations containing Dominican amber and preserves fossils dating back to the Burdigalian to Langhian period.^[1]

Fossil content

See also: Dominican amber.

• Palaeoraphe dominicana
• Roystonea palaea
• Sphaerodactylus ciguapa, S. dommeli
• Trithrinax dominicana
• Eleutherodactylus sp.
• Chilopoda indet.
• Diptera indet.

See also

• List of fossiliferous stratigraphic units in the Dominican Republic
• La Toca Formation
• Baitoa Formation
• Cercado Formation

Further reading

• G. O. Poinar, Jr. and D. C. Canatella. 1987. An upper Eocene frog from the Dominican Republic and its implication for Caribbean biogeography. Science 237:1215-1216

Notes and References

1. http://www.fossilworks.org/cgi-bin/bridge.pl?a=collectionSearch&collection_no=75094 El Mamey Formation