Station T6 - "Yadake fossil bed", Fukui Fm: Early Miocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Venerida
- Veneridae
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Meretrix sp.
Lamarck 1799
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 33.2° North, 129.7° East (view map) |
| Paleocoordinates: | 32.7° North, 127.1° East (Wright 2013) |
| Basis of coordinate: | based on nearby landmark |
| Geographic resolution: | outcrop |
Time
| Period: | Neogene | Epoch: | Miocene |
| 10 m.y. bin: | Cenozoic 5 | ||
| Key time interval: | Early Miocene | ||
| Age range of interval: | 23.04 - 15.98 m.y. ago |
Stratigraphy
| Geological group: | Sasebo | Formation: | Fukui | Member: | Masaru |
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: STRATIGRAPHIC RELATIONS: From "Masaru fossil bed" of the upper Fukui Fm, Sasebo Group, which conformably overlies the Late Oligocene Nishisonogi Fm, and unconformably underlying the Tsukumojima Fm. THICKNESS: From bed within formation of group that attains a thickness of 1300 m. AGE: Early Miocene, based on molluscan biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within formation. | |||||
Lithology and environment
| Primary lithology: | fine,medium lithified sandstone |
| Includes fossils? | Y |
| Lithology description: SPECIFIC LITHOLOGY: Medium-fine-grained sandstone. LITHIFICATION: Presumed lithified on the basis of age. | |
| Environment: | estuary/bay |
| Geology comments: ENVIRONMENT: Littoral and inner bay environment. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | surface (float),field collection |
| Reason for describing collection: | biostratigraphic analysis |
| Collection method comments: COLLECTOR: A. Mizuno (c. 1964). REPOSITORY: Not stated in text, unknown. | |
| Taxonomic list comments:COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Farly modern nomenclature, and species-level assignments. | |
Metadata
| Database number: | 70877 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2007-04-10 16:11:04 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | authorizer only | Released: | 2007-04-10 16:11:03 |
| Creative Commons license: | CC0 |
Reference information
Primary reference:
| 23772. | A. Mizuno. 1964. Paleogene and Early Neogene molluscan faunae in West Japan. Geological Survey of Japan Report 204 [A. Hendy/A. Hendy] |