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Chikanaga Formation, Ehime Prefecture, Japan
| Lat/Long (Decimal) | 33.25,132.75 |
|---|---|
| Co-ordinates Derivation | not explained |
| Mindat.org Region (for given coordinates) | Ehime Prefecture, Japan |
Collections
| Collection | Reference | Stratigraphic Name | Comments | Lithology | Age |
|---|---|---|---|---|---|
| Yorimatsu Formation, Chikanaga area | Teraoka Y., Obata I., et al (1980) | Shimanto - Yorimatsu | STRATIGRAPHIC RELATIONS: From the Yorimatsu Fm (Coniacian) of the lower Shimanto Group and Shimanto Supergroup, overlying the Ishibiki Fm (Coniacian) and overlain by the Miocene granites. AGE: Santonian. STRATIGRAPHIC POSITION: List not specified to any part of the formation. | "siliciclastic" | 86.3 - 83.6 Ma Late/Upper Cretaceous |
| Furushiroyama Formation, Chikanaga area | Teraoka Y., Obata I., et al (1980) | Shimanto - Furushiroyama | STRATIGRAPHIC RELATIONS: From the Furushiroyama Fm (Coniacian) of the lower Shimanto Group and Shimanto Supergroup, overlying the Oguwa Fm (Turonian) and overlain by the Ishibiki Fm (Turonian). AGE: Coniacian. STRATIGRAPHIC POSITION: List not specified to any part of the formation. | "siliciclastic" | 89.8 - 86.3 Ma Late/Upper Cretaceous |
| Ishibiki Formation, Chikanaga area | Teraoka Y., Obata I., et al (1980) | Shimanto - Ishibiki | STRATIGRAPHIC RELATIONS: From the Ishibiki Fm (Coniacian) of the lower Shimanto Group and Shimanto Supergroup, overlying the Furushiroyama Fm (Coniacian) and overlain by the Yorimatsu Fm (Santonian). AGE: Coniacian. STRATIGRAPHIC POSITION: List not specified to any part of the formation. | "siliciclastic" | 89.8 - 86.3 Ma Late/Upper Cretaceous |
| Oguwa Formation, Chikanaga area | Teraoka Y., Obata I., et al (1980) | Shimanto - Oguwa | STRATIGRAPHIC RELATIONS: From the Oguwa Fm (Turonian) of the lower Shimanto Group and Shimanto Supergroup, overlying the Shimoono Fm (Middle and Upper Albian) and overlain by the Furushiroyama Fm (Coniacian). AGE: Turonian. STRATIGRAPHIC POSITION: List not specified to any part of the formation. | "siliciclastic" | 93.9 - 89.8 Ma Late/Upper Cretaceous |
| Shimoono Formation, Chikanaga area | Teraoka Y., Obata I., et al (1980) | Shimanto - Kitanada | STRATIGRAPHIC RELATIONS: From the Shimoono Fm (Middle and Upper Albian) of the lower Shimanto Group and Shimanto Supergroup, overlying the Kitanada Fm (Late Aptian) and overlain by the Oguwa Fm (Turonian). AGE: Middle-Late Albian. STRATIGRAPHIC POSITION: List not specified to any part of the formation. | "siliciclastic" | 109 - 99.6 Ma Cretaceous |
| Chikanaga Formation, Chikanaga area | Teraoka Y., Obata I., et al (1980) | Shimanto - Chikanaga | STRATIGRAPHIC RELATIONS: From the Chikanaga Fm (Lower Aptian) of the lower Shimanto Group and Shimanto Supergroup, overlain by the Kitanada Fm (Upper Aptian). AGE: Early Aptian. STRATIGRAPHIC POSITION: List not specified to any part of the formation. | "siliciclastic" | 125.45 - 122.46 Ma Early/Lower Cretaceous |
Recorded Fossils
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
