Lower section, Dawan Fm., NingLang, NingLang Co., YunNan Prov., China: Dawan, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Pterobranchia
- Graptoloidea
- Dichograptidae
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Didymograptus sp.
McCoy 1851
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Pterobranchia
- Dendroidea
- Dendrograptidae
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Ptilograptus sp.
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Lingulata
- Lingulida
- Obolidae
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Lingulepis sp.
Hall 1863
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Rhynchonellata
- Orthida
- Plaesiomyidae
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Metorthis sp.
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Rhynchonellata
- Orthida
- Orthidae
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Orthis sp.
Dalman 1828
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| see common names | |||||||
Geography
| Country: | China | State/province: | YunNan | County: | NingLang |
| Coordinates: | 27.0° North, 101.0° East (view map) | ||||
| Paleocoordinates: | 23.6° North, 141.7° East | ||||
| Geographic resolution: | local area |
Time
| Period: | Ordovician | ||
| 10 m.y. bin: | Ordovician 1-2 | ||
| *Period: | Early/Lower Ordovician | *Epoch: | Early/Lower Arenig |
| *International age/stage: | Early/Lower Arenig | *Local age/stage: | Early/Lower Dawan |
| Key time interval: | Dawan | ||
| Age range of interval: | 477.90000 - 466.30000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Dawan |
Lithology and environment
| Primary lithology: | gray,green,red or brown lithified sandstone |
| Secondary lithology: | "shale" |
| Lithology description: feldspar-rich quartz sandstone and grayish green shale at top; gray to grayish white quartz sandstone and grayish green to purplish red shale | |
| Environment: | transition zone/lower shoreface |
Taphonomy
Collection methods and comments
| Collection excludes: | species names |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 7746 | ||
| Authorizer: | A. Miller | Enterer: | P. Novack-Gottshall | Research group: | marine invertebrate |
| Created: | 2000-06-01 12:13:52 | Last modified: | 2000-06-01 15:13:52 |
| Access level: | the public | Released: | 2000-11-20 13:53:35 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 478. | Stratigraphic Group of Yunnan, China. 1978. Regional stratigraphic data of Southwest China, Yunnan Province. Geological Publishing House, Beijing, China [A. Miller/P. Novack-Gottshall] |