El Mamey Formation | |
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Stratigraphic range: Burdigalian-Langhian | |
Type | Formation |
Lithology | |
Primary | Shale, sandstone, conglomerate |
Other | Dominican amber |
Location | |
Coordinates | 19°30′N70°42′W / 19.5°N 70.7°W |
Approximate paleocoordinates | 19°18′N69°30′W / 19.3°N 69.5°W |
Country | Dominican Republic |
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]