| Sagog Formation | |
|---|---|
| Stratigraphic range: Albian ~ | |
| Type | Geological formation |
| Unit of | Hayang Group |
| Underlies | Chunsan Formation |
| Overlies | Jeomgog Formation |
| Lithology | |
| Primary | Shale, sandstone |
| Location | |
| Coordinates | 36°18′N 128°42′E / 36.3°N 128.7°E |
| Approximate paleocoordinates | 43°12′N 127°48′E / 43.2°N 127.8°E |
| Region | North Gyeongsang Province |
| Country |  South Korea |
| Extent | Euiseong Subbasin, Gyeongsan Basin |
  Sagog Formation (South Korea) | |
The Sagog Formation (Korean: 사곡층; Hanja: 舍谷層; RR: Sagok-cheung), also known as the Sagok Formation, is an Albian geologic formation in South Korea.