Akaiwa Formation
Early Cretaceous geologic formation in Japan / From Wikipedia, the free encyclopedia
The Akaiwa Formation (Japanese: 赤岩層, romanized: Akaiwa-sō) is an Early Cretaceous (Hauterivian-Barremian) geologic formation in central Honshu, Japan.[1] Indeterminate ornithischian fossils are known from the formation. Fossil ornithopod tracks have been reported from the formation.[2] As well as the turtle Kappachelys[3]
Quick Facts Type, Unit of ...
Akaiwa Formation | |
---|---|
Stratigraphic range: Hauterivian-Barremian ~132–125 Ma | |
Type | Geological formation |
Unit of | Tetori Group |
Underlies | Kitadani Formation |
Overlies | Kuwajima Formation |
Lithology | |
Primary | Sandstone, conglomerate |
Location | |
Coordinates | 36.2°N 136.7°E / 36.2; 136.7 |
Approximate paleocoordinates | 46.1°N 138.3°E / 46.1; 138.3 |
Region | Honshu |
Country | Japan |
Close