Core CR 14, offshore Irabu Island: Late Pleistocene, Japan
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Anthozoa
- Scleractinia
- Plesiastreidae
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Plesiastrea versipora
(Lamarck 1816)
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Anthozoa
- Scleractinia
- Faviidae
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Favia sp.
Oken 1815
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Anthozoa
- Scleractinia
- Merulinidae
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Favia pallida
(Dana 1846)
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Platygyra sp.
Ehrenberg 1834
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Cyphastrea sp.
Milne-Edwards and Haime 1848
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Anthozoa
- Scleractinia
- Pocilloporidae
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Stylocoeniella sp.
Yabe and Sugiyama 1935
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Seriatopora sp.
Lamarck 1816
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| see common names | |||||||
Geography
| Country: | Japan |
| Coordinates: | 24.7° North, 125.1° East (view map) |
| Paleocoordinates: | |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Quaternary | Epoch: | Pleistocene |
| Stage: | Late Pleistocene | 10 m.y. bin: | Cenozoic 6 |
| Key time interval: | Late Pleistocene | ||
| Age range of interval: | 0.129 - 0.0117 m.y. ago | ||
| Age estimate: | 30 to 22 Ka (U/Th) |
Stratigraphy
| Geological group: | Ryukyu | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: mounded structure in unit 2, 8-24.4 mbsf, 30-22 ka (Th/U) | |||||
Lithology and environment
| Primary lithology: | framestone |
| Secondary lithology: | rudstone |
| Lithology description: coral-algal framestone/bindstone, rudstone, grainstone | |
| Environment: | reef, buildup or bioherm |
| Glacial or sequence phase: | glacial |
| Geology comments: small-scaled coral reef at a water depth of ~126 m formed during the lowstand stage of MIS 3-2 | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | core,field collection |
| Reason for describing collection: | general faunal/floral analysis |
Metadata
| Also known as: | Reef 3962 | ||
| Database number: | 89236 | ||
| Authorizer: | W. Kiessling | Enterer: | U. Merkel |
| Modifier: | U. Merkel | Research group: | marine invertebrate |
| Created: | 2009-05-11 04:47:08 | Last modified: | 2025-02-22 15:12:02 |
| Access level: | authorizer only | Released: | 2011-05-11 04:47:08 |
| Creative Commons license: | CC0 | ||
Reference information
Primary reference:
| 29932. | K. Sasaki, A. Omura, T. Miwa, Y. Tsuji, H. Matsuda, T. Nakamori, Y. Iryu, T. Yamada, Y. Sato and H. Nakagawa. 2006. 230Th/234U and 14C dating of a lowstand coral reef beneath the insular shelf off Irabu Island, Ryukyus, southwestern Japan. Island Arc 15:455-467 [W. Kiessling/U. Merkel/O. Alfaro] |