| Moin Formation | |
|---|---|
| Stratigraphic range: Late Pliocene-Early Pleistocene | |
| Type | Formation |
| Unit of | Limón Group |
| Sub-units | Empalme, Lomas del Mar, Middle & Santa Rosa Members |
| Overlies | Río Banano Formation |
| Lithology | |
| Primary | Siltstone, limestone, sandstone, claystone |
| Other | Mudstone, grainstone |
| Location | |
| Region | Limón Province |
| Country | Costa Rica |
| Type section | |
| Named for | Moin |
 india assam Moin Formation (Costa Rica) | |
The Moin Formation is a geologic formation in Costa Rica. It preserves fossils dating back to the Late Pliocene to Early Pleistocene period. [1]