Tanggula Mountains, Y 217-8, Suwa Formation: Oxfordian, China
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
- Pholadida
- Ceratomyidae
|
|||||||
Myopholas multicostata
(Agassiz 1842)
|
11 specimens | ||||||
see common names |
Geography
Country: | China | State/province: | Qinghai |
Coordinates: | 33.3° North, 91.8° East (view map) | ||
Paleocoordinates: | 24.0° North, 89.0° East | ||
Basis of coordinate: | estimated from map | ||
Geographic resolution: | outcrop |
Time
Period: | Jurassic | Epoch: | Late/Upper Jurassic |
Stage: | Oxfordian | 10 m.y. bin: | Jurassic 5 |
Key time interval: | Oxfordian | ||
Age range of interval: | 161.50000 - 154.80000 m.y. ago |
Stratigraphy
Lithology and environment
Primary lithology: | lithified "limestone" |
Secondary lithology: | lithified siltstone |
Lithology description: The Suwa Fm is composed of limestones, silty and fine grained sandstones. | |
Environment: | marginal marine indet. |
Geology comments: The province represents extensive marginal marine environments ranging from nearshore shelf to restricted embayments, lagoons and freshwater lakes. |
Taphonomy
Size of fossils: | macrofossils |
Collection methods and comments
Collection methods: | chemical,mechanical,field collection |
Reason for describing collection: | taxonomic analysis |
Collection method comments: focus on bivalves |
Metadata
Database number: | 37925 | ||
Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
Modifier: | S. Nurnberg | Research group: | marine invertebrate |
Created: | 2004-03-27 11:06:24 | Last modified: | 2006-09-26 10:01:55 |
Access level: | the public | Released: | 2004-03-27 11:06:24 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
10105. | J. Yin and F. T. Fürsich. 1991. Middle and Upper Jurassic bivalves from the Tanggula Mountains, W-China. Beringeria, Würzburger geowissenschaftliche Mitteilungen 4:127-192 [M. Aberhan/S. Nurnberg/P. Wagner] |