BETA TEST - Fossil data and pages are very much experimental and under development. Please report any problems
Birafu - B1, Kami City, Kochi Prefecture, Japan
| Formation | Birafu |
|---|---|
| Member | B1 |
| Age: | 145 - 140 Ma Early/Lower Cretaceous |
| Interval | Berriasian |
| Lithology | limestone/sandstone, sandstone, sandstone/"limestone", sandstone/mudstone, tuff/mudstone |
| Number of Collections | 7 |
| Number of Occurrences | 35 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Central Shikoku | Kami City, Kochi Prefecture, Japan | Birafu - B1 |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Birafu - A2 | 164 - 145 Ma Jurassic | mudstone | 5 |
| Birafu - A3 | 152 - 145 Ma Late Jurassic | tuff/mudstone | 8 |
| Birafu - B2 | 145 - 140 Ma Early/Lower Cretaceous | mudstone/tuff | 6 |
| Birafu - C | 145 - 140 Ma Early/Lower Cretaceous | mudstone | 5 |
Recorded Fossils
References
| Kozai T., Ishida K., et al (2006) Radiolarians, bivalves and the J/K boundary in the Birafu Formation, southern Kurosegawa Belt, Central Shikoku, SW Japan, Geosciences Journal 10 3, 217-235 |
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!
