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Ninemile Shale, Nevada, USA
| Formation | Ninemile Shale |
|---|---|
| Age: | 472 - 466 Ma Ordovician |
| Interval | Arenig |
| Tectonic Setting | Passive margin |
| Lithology | mudstone/lime mudstone, "shale"/"limestone", "shale", "shale"/packstone, "limestone"/"shale", "limestone" |
| Number of Collections | 11 |
| Number of Occurrences | 100 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Ninemile Shale | Eureka County, Nevada, USA | Ninemile Shale |
| D 722 CO | Nye County, Nevada, USA | Ninemile Shale |
| Silver Peak Range | Nye County, Nevada, USA | Ninemile Shale |
| Nopah Formation | Nye County, Nevada, USA | Ninemile Shale |
| section 24 | Eureka County, Nevada, USA | Ninemile Shale |
| Pogonip Ridge section | White Pine County, Nevada, USA | Ninemile Shale |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Antelope Valley - Middle | 472 - 458 Ma Ordovician | limestone | 5 |
| Antelope Valley Limestone - Upper | 472 - 458 Ma Ordovician | limestone, dolomite | 80 |
| Antelope Valley Ls - Middle | 472 - 458 Ma Ordovician | limestone | 17 |
| Antelope Valley Ls - Upper | 488 - 472 Ma Paleozoic | limestone | 12 |
| Copenhagen - A | 458 - 450 Ma Late/Upper Ordovician | shale, sandstone | 9 |
| Copenhagen - B | 458 - 450 Ma Late/Upper Ordovician | limestone | 110 |
| Copenhagen - C | 458 - 450 Ma Late/Upper Ordovician | siltstone | 107 |
| Emigrant | 485 - 470 Ma Paleozoic | limestone, dolomite, mudstone, lime mudstone, lime mudstone/"shale", "siliciclastic", "shale", "shale"/"limestone", "limestone"/siltstone, "shale"/dolomite | 218 |
| Goodwin | 479 - 472 Ma Early/Lower Ordovician | limestone/conglomerate, dolomite, "limestone", siltstone | 91 |
| Hanson Creek | 450 - 444 Ma Paleozoic | limestone, dolomite/sandstone, lime mudstone | 98 |
| Hanson Creek - middle | 450 - 444 Ma Paleozoic | limestone, dolomite | 55 |
| Ninemile | 479 - 468 Ma Ordovician | limestone/"shale", "limestone", "shale", siltstone/"limestone", siltstone, "shale"/packstone | 184 |
| Nopah - Dunderberg Shale A | 501 - 485 Ma Cambrian | shale/"limestone" | 15 |
| Nopah - Dunderberg Shale B | 501 - 485 Ma Cambrian | limestone/"shale" | 27 |
| Nopah - Dunderberg Shale C | 501 - 485 Ma Cambrian | limestone/"shale", "shale"/"limestone" | 15 |
| Nopah - Dunderberg Shale D | 501 - 485 Ma Cambrian | limestone/"shale" | 1 |
| Pogonip - Copenhagen | 466 - 461 Ma Middle Ordovician | limestone | 1 |
| Pogonip - Goodwin | 485 - 472 Ma Paleozoic | limestone | 2 |
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!
