Gulanhe Formation at Section P70, W Gulanhe, Aihui County, Heilongjiang Province: Pridoli, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Lingulata
- Lingulida
- Lingulidae
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Lingula sp.
Bruguiére 1797
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| see common names | |||||||
Geography
| Country: | China | State/province: | Heilongjiang | County: | Aihui |
| Coordinates: | 42.0° North, 94.0° East (view map) | ||||
| Paleocoordinates: | 5.5° North, 88.2° East | ||||
| Basis of coordinate: | estimated from map | ||||
| Geographic resolution: | local area |
Time
| Period: | Silurian | Epoch: | Pridoli |
| 10 m.y. bin: | Silurian 2 | ||
| Key time interval: | Pridoli | ||
| Age range of interval: | 423.00000 - 419.20000 m.y. ago |
Stratigraphy
| Formation: | Gulanhe | ||||
| Stratigraphic resolution: | formation | ||||
| 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. "formation is probably of Pridoli age because of its stratigraphic position" | |||||
Lithology and environment
| Primary lithology: | gray,green slate |
| Secondary lithology: | tuffaceous siltstone |
| Lithology description: "consists of gray-green slate interbedded with tuffaceous siltstone. AT the top of this formation there are a few dar-gray-to-black, purplish, silty, thin-bedded slates. The total thickness of the unit is 66 m." | |
| Environment: | marine indet. |
| Geology comments: Correlation chart indicates questioned BA 1 position. | |
Taphonomy
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 27755 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | M. Foote | Research group: | marine invertebrate |
| Created: | 2003-01-08 08:17:40 | Last modified: | 2006-09-13 14:01:03 |
| Access level: | the public | Released: | 2003-01-08 08:17:40 |
| 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] |