Ishigaki-shima insel, Ibaruma, Miyara formation, section F-83: Eocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Florideophyceae
- Hapalidiales
- Corallinophycidae
|
|||||||
|
Florideophyceae
- Corallinales
- Corallinophycidae
|
|||||||
| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 24.5° North, 124.3° East (view map) |
| Paleocoordinates: | |
| Basis of coordinate: | estimated from map |
| Geographic resolution: | outcrop |
Time
| Period: | Paleogene | Epoch: | Eocene |
| 10 m.y. bin: | Cenozoic 2-3 | ||
| Key time interval: | Eocene | ||
| Age range of interval: | 56 - 33.9 m.y. ago |
Stratigraphy
| Formation: | Miyara |
Lithology and environment
| Primary lithology: | gray "limestone" |
| Environment: | open shallow subtidal |
| Geology comments: Warm shallow marine waters that were rich in lime and had good circulation. The
large number of branching forms suggests depths not greater than 60 feet. Erosional remnants of gray shaly appearing limestone. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Reason for describing collection: | taxonomic analysis |
Metadata
| Database number: | 143500 | ||
| Authorizer: | W. Kiessling | Enterer: | M. Krause | Research group: | marine invertebrate |
| Created: | 2013-04-24 18:05:23 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | authorizer only | Released: | 2013-07-24 18:05:23 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 46486. | J. H. Johnson. 1964. Eocene algae from Isliigaki-shima, Ryukyu-retto. [W. Kiessling/M. Krause] |