Chilgog Formation
The Chilgog Formation (Korean: 칠곡층; Hanja: 漆谷層; RR: Chilgog-cheung), also known as the Chilgok Formation, is an Early Cretaceous geologic formation in South Korea. Formerly dated to the Berriasian to Hauterivian, later dating has established an Albian age. Dinosaur remains, possibly of sauropods, are among the fossils that have been recovered from the formation, although none have yet been referred to a specific genus.
| Chilgog Formation | |
|---|---|
| Stratigraphic range: Albian | |
| Type | Geological formation |
| Unit of | Hayang Group |
| Underlies | Silla Conglomerate |
| Overlies | Jinju Formation |
| Thickness | Up to 650 m (2,130 ft) 295 m (968 ft) in the western Daegu area |
| Lithology | |
| Primary | Sandstone, mudstone, conglomerate |
| Other | Tuff |
| Location | |
| Coordinates | 36.0°N 128.5°E |
| Approximate paleocoordinates | 40.9°N 128.3°E |
| Region | Gyeongsangbuk-do |
| Country | South Korea |
| Extent | Gyeongsang Basin |
Chilgog Formation (South Korea) | |
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