Akaiwa Formation | |
---|---|
Stratigraphic range:
Hauterivian-
Barremian ~ | |
Type | Geological formation |
Unit of | Tetori Group |
Underlies | Kitadani Formation |
Overlies | Kuwajima Formation |
Lithology | |
Primary | Sandstone, conglomerate |
Location | |
Coordinates | 36°12′N 136°42′E / 36.2°N 136.7°E |
Approximate paleocoordinates | 46°06′N 138°18′E / 46.1°N 138.3°E |
Region | Honshu |
Country | ![]() |
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]
The following fossils have been reported from the formation: [1]
Akaiwa Formation | |
---|---|
Stratigraphic range:
Hauterivian-
Barremian ~ | |
Type | Geological formation |
Unit of | Tetori Group |
Underlies | Kitadani Formation |
Overlies | Kuwajima Formation |
Lithology | |
Primary | Sandstone, conglomerate |
Location | |
Coordinates | 36°12′N 136°42′E / 36.2°N 136.7°E |
Approximate paleocoordinates | 46°06′N 138°18′E / 46.1°N 138.3°E |
Region | Honshu |
Country | ![]() |
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]
The following fossils have been reported from the formation: [1]