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Yijianfang - Middle, Xinjiang, China
| Formation | Yijianfang |
|---|---|
| Member | Middle |
| Age: | 467 - 458 Ma Middle Ordovician |
| Interval | Darriwilian |
| Lithology | limestone, packstone/bindstone, "reef rocks"/chert |
| Number of Collections | 4 |
| Number of Occurrences | 34 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Yijianfang | Bachu Co. (Maralbexi Co.; Maralbeshi Co.), Kashi Prefecture (Kashgar Prefecture; Qeshqer Prefecture), Xinjiang, China | Yijianfang - Middle |
| Tangwangcheng | Xinjiang, China | Yijianfang - Middle |
| Nanyigou section | Bachu Co. (Maralbexi Co.; Maralbeshi Co.), Kashi Prefecture (Kashgar Prefecture; Qeshqer Prefecture), Xinjiang, China | Yijianfang - Middle |
| NJ659 | Bachu Co. (Maralbexi Co.; Maralbeshi Co.), Kashi Prefecture (Kashgar Prefecture; Qeshqer Prefecture), Xinjiang, China | Yijianfang - Middle |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Lianglitag | 453 - 445 Ma Late/Upper Ordovician | reef rocks, packstone/mudstone, "limestone", "limestone"/"reef rocks", grainstone/"limestone" | 84 |
| Tumuxiuke | 453 - 445 Ma Late/Upper Ordovician | grainstone, "limestone"/mudstone, grainstone/"limestone" | 15 |
| Yijianfang | 467 - 458 Ma Middle Ordovician | bafflestone/grainstone, packstone/grainstone, mudstone/packstone, "limestone"/chert | 29 |
| Yijianfang - Lower | 467 - 458 Ma Middle Ordovician | grainstone | 5 |
Recorded Fossils
References
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!
