Chaotian Section, Mingyuexia Gorge: Wuchiapingian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Ceratitida
- Araxoceratidae
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Jinjiangoceras sp.
Zhao et al. 1978
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Konglingites sp.
Zhao and Liang 1966
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Conodonta
- Ozarkodinida
- Gondolellidae
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Clarkina orientalis
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| see common names | |||||||
Geography
| Country: | China | State/province: | Sichuan |
| Coordinates: | 32.6° North, 105.9° East (view map) | ||
| Paleocoordinates: | 6.3° North, 92.5° East | ||
| Basis of coordinate: | based on nearby landmark | ||
| Geographic resolution: | outcrop |
Time
| Period: | Permian | Epoch: | Lopingian |
| Stage: | Wuchiapingian | 10 m.y. bin: | Permian 4 |
| Key time interval: | Wuchiapingian | Ammonoid zone: | Araxoceras - Konglingites |
| Age range of interval: | 259.51 - 254.14 m.y. ago |
Stratigraphy
| Formation: | Dalong | Member: | Lower Mudstone | ||
| Stratigraphic resolution: | member | ||||
| Stratigraphy comments: "Araxoceras-Konglingites Zone of the late Wuchiapingian"; lower part of a 22 m thick mudstone interval | |||||
Lithology and environment
| Primary lithology: | black lithified mudstone |
| Secondary lithology: | marl |
| Lithology description: "bituminous, black mudstone... bedded, and it intercalates thin (10-20 cm) layers/lenses of marl" | |
| Environment: | slope |
| Geology comments: entire section is mostly proximate "to a carbonate platform" but chert incalacations are from "a slightly deeper environment than platform" | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Also known as: | Mingyuexia Gorge; Chaotian Section, Dalong Formation, Lower Mudstone | ||
| Database number: | 73822 | ||
| Authorizer: | J. Alroy | Enterer: | J. Alroy |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2007-07-02 20:32:04 | Last modified: | 2023-01-06 17:33:32 |
| Access level: | the public | Released: | 2007-07-02 20:32:04 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 24748. | Y. Isozaki, J. Yao, T. Matsuda, H. Sakai, Z. Ji, N. Shimizu, N. Kobayashi, H. Kawahata, H. Nishi, M. Takano, and T. Kubo. 2004. Stratigraphy of the Middle-Upper Permian and Lowermost Triassic at Chaotian, Sichuan, China. Proceedings of the Japan Academy, Series B 80(1):10-16 [J. Alroy/J. Alroy/J. Alroy] |