| Balumtun Sandstone | |
|---|---|
| Stratigraphic range: Aquitanian ~ | |
| Type | Formation |
| Unit of | Río Concepción Group |
| Underlies | Tulijá Formation |
| Overlies | Mazantic Shale |
| Thickness | 760 metres |
| Lithology | |
| Primary | Sandstone |
| Other | Conglomerate |
| Location | |
| Coordinates | 17°06′N92°42′W / 17.1°N 92.7°W |
| Approximate paleocoordinates | 17°42′N89°00′W / 17.7°N 89.0°W |
| Region | Chiapas |
| Country | Mexico |
| Type section | |
| Named for | Balumtun |
The Balumtun Sandstone is a geologic formation in Chiapas, Mexico. The formation is up to 760 metres thick, and consists of gray sandstone, that were deposited during the Upper Aquitanian stage of the Early Miocene. [1]