Unnamed Middle Silurian Series in Yanyuan Co., SW Sichuan Prov.: Wenlock, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa
- Favositida
- Favositidae
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Palaeofavosites sp.
(Twenhofel 1914)
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original and current combination Paleofavosites | ||||||||||
Favosites orientalis
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Mesofavosites angustus
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Trilobita
- Phacopida
- Encrinuridae
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Coronocephalus sp.
Grabau 1924
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Rhynchonellata
- Spiriferida
- Cyrtiidae
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Eospirifer subradiatus
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Gastropoda
- Murchisoniina
- Hormotomidae
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Hormotoma cf. kutsingensis
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umlaut on u in species name as listed | ||||||||||
see common names |
Geography
Country: | China | State/province: | Sichuan | County: | Yanyuan |
Coordinates: | 27.4° North, 101.5° East (view map) | ||||
Paleocoordinates: | 10.5° North, 131.4° East | ||||
Basis of coordinate: | based on political unit | ||||
Geographic resolution: | basin |
Time
Period: | Silurian | Epoch: | Wenlock |
10 m.y. bin: | Silurian 2 | ||
Key time interval: | Wenlock | ||
Age range of interval: | 433.40000 - 427.40000 m.y. ago |
Stratigraphy
Stratigraphic resolution: | group | ||||
Stratigraphy comments: Except where otherwise stated, ref. 7624 uses Lower Silurian as equivalent to Llandovery, Middle Silurian as equivalent to Wenlock, and Upper Silurian as equivalent to Ludlow plus Pridoli. "probably of Middle Silurian age" based on fossils at Baizitian. |
Lithology and environment
Primary lithology: | gray argillaceous "limestone" |
Lithology description: "120.8 m of gray, argillaceous limestone [at Shuhe]..[and] corresponding rocks of the same unit [at Baizitian]." | |
Environment: | marine indet. |
Geology comments: Correlation chart indicates BA3 based on shelly fauna. |
Taphonomy
Collection methods and comments
Reason for describing collection: | biostratigraphic analysis |
Metadata
Database number: | 27874 | ||
Authorizer: | M. Foote | Enterer: | M. Foote |
Modifier: | M. Foote | Research group: | marine invertebrate |
Created: | 2003-01-15 10:42:35 | Last modified: | 2006-09-13 14:01:03 |
Access level: | the public | Released: | 2003-01-15 10:42:35 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
7624. | E.-z. Mu, A. J. Boucot, X. Chen and J.-y. Rong. 1986. Correlation of the Silurian rocks of China. In A. J. Boucot and W. B. N. Berry (eds.), Geological Society of America Special Paper 202:1-80 [M. Foote/M. Foote/P. Wagner] |