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Xiahuancang - Purple Sandstone, Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, China
| Formation | Xiahuancang |
|---|---|
| Member | Purple Sandstone |
| Age: | 252 - 251 Ma Phanerozoic |
| Interval | Griesbachian |
| Lithology | sandstone |
| Number of Collections | 2 |
| Number of Occurrences | 3 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Caodigou Section | Haixi Mongol and Tibetan Autonomous Prefecture, Qinghai, China | Xiahuancang - Purple Sandstone |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Jianghe | 251 - 247 Ma Early/Lower Triassic | lime mudstone, "limestone", "shale", sandstone/"limestone", sandstone, siltstone | 19 |
| Xiahuancang - Green Sandstone | 252 - 251 Ma Phanerozoic | shale/sandstone, sandstone/"shale", siltstone/sandstone, sandstone/siltstone, "shale"/siltstone, sandstone | 55 |
| Bayinhe - Caodigou | 260 - 254 Ma Permian | siliciclastic | 21 |
| Nuoyinhe - Hajier | 260 - 254 Ma Permian | 16 |
Recorded Fossils
| Accepted Name | Hierarchy | Age |
|---|---|---|
 Pteria sp.genus | Animalia : Mollusca : Bivalvia : Ostreida : Pteriidae : Pteria | 252.17 - 251.3 Ma Phanerozoic |
| Claraia sp. genus | Animalia : Mollusca : Bivalvia : Pectinida : Pterinopectinidae : Claraia | 252.17 - 251.3 Ma Phanerozoic |
| Claraia aurita species | Animalia : Mollusca : Bivalvia : Pectinida : Pterinopectinidae : Claraia : Claraia aurita | 252.17 - 251.3 Ma Phanerozoic |
References
| Liu G. C., Yin H. F. (1983) Lower Triassic, Xihuancang Formation, Jianghe Formation, Yangkang Formation, Triassic of the southern Qilian Mountains, 1-11 |
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
