Kisono: Early Pliensbachian, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
Polycystinea
- Nassellaria
|
|||||||
|
unclassified
|
|||||||
| see common names | |||||||
Geography
| Country: | Japan | State/province: | Shimane |
| Coordinates: | 34.5° North, 131.7° East (view map) | ||
| Paleocoordinates: | 46.5° North, 157.9° East (Wright 2013) | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Early Jurassic |
| Stage: | Pliensbachian | 10 m.y. bin: | Jurassic 2 |
| Key time interval: | Early Pliensbachian | ||
| Age range of interval: | 192.9 - 184.2 m.y. ago |
Lithology and environment
| Primary lithology: | gray lithified claystone | ||
| Secondary lithology: | gray lithified cherty/siliceous claystone | ||
| Lithology description: gray claystone | |||
| Environment: | basinal (siliceous) | Tectonic setting: | deep ocean basin |
Taphonomy
| Modes of preservation: | body,original silica |
| Size of fossils: | microfossils |
| Preservation of anatomical detail: | poor |
Collection methods and comments
| Collection methods: | chemical,hydroflouric,field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 53821 | ||
| Authorizer: | W. Kiessling | Enterer: | W. Kiessling |
| Modifier: | W. Kiessling | Research group: | micropaleontology |
| Created: | 2005-09-14 07:45:48 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | the public | Released: | 2005-09-14 07:45:47 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 14488. | H. Suzuki. 1997. Drei neue Radiolarienarten in der Canoptum-Vergesellschaftung aus dem Unterjura des Kanoashi-Komplexes [Three new radiolarian species in the Canoptum assemblage from the Lower Jurassic of the Kanoashi complex, Southwest Japan]. Neues Jahrbuch für Geologie und Paläontologie Monatshefte 6:361-369 [W. Kiessling/W. Kiessling/W. Kiessling] |