Jindong Formation
| Jindong Formation | |
|---|---|
| Stratigraphic range: Cenomanian ~ | |
| Type | Geological formation |
| Unit of | Hayang Group |
| Underlies | Yucheon Group (volcanics) |
| Overlies | Haman Formation |
| Lithology | |
| Primary | Mudstone, siltstone |
| Other | Sandstone, shale |
| Location | |
| Coordinates | 35°24′N 128°24′E / 35.4°N 128.4°E |
| Approximate paleocoordinates | 44°42′N 122°54′E / 44.7°N 122.9°E |
| Region | Gyeongsangnam-do |
| Country | South Korea |
| Extent | Gyeongsang Basin |
The Jindong Formation (Korean: 진동층; Hanja: 鎭東層; RR: Jindong-cheung) is a geological formation located in South Korea. It is dated to the Cenomanian stage of the Late Cretaceous, between 99.9 ± 0.7 Ma and 96 Ma.