Jarao Formation
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| Jarao Formation | |
|---|---|
| Stratigraphic range: Santonian ~ | |
| Type | Formation |
| Lithology | |
| Primary | Limestone |
| Other | Tuff |
| Location | |
| Coordinates | 22°06′N 79°42′W / 22.1°N 79.7°W |
| Approximate paleocoordinates | 13°48′N 58°30′W / 13.8°N 58.5°W |
| Region | Sancti Spíritus Province |
| Country | Cuba |
| Type section | |
| Named for | El Jarao |
  Jarao Formation (Cuba) | |
The Jarao Formation is a geologic formation in Cuba. The dark-colored limestone intercalated with volcanic and tuffaceous formation preserves rudist fossils of Vaccinites inaequicostatus and dates back to the Santonian period.[1]