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Aspen Shale, USA
| Formation | Aspen Shale |
|---|---|
| Age: | 101 - 94 Ma Late/Upper Cretaceous |
| Interval | Cenomanian |
| Lithology | mudstone, tuff, siltstone, "shale" |
| Number of Collections | 5 |
| Number of Occurrences | 44 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Aspen | Lincoln County, Wyoming, USA | Aspen Shale |
| LJH0026 | Lincoln County, Wyoming, USA | Aspen Shale |
| 1205-base | Teton County, Idaho, USA | Aspen Shale |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Aspen | 105 - 99.6 Ma Cretaceous | 9 | |
| Bear River | 113 - 101 Ma Early/Lower Cretaceous | sandstone/"shale" | 3 |
| Bighorn Dolomite | 458 - 443 Ma Paleozoic | dolomite | 1 |
| Darby | 393 - 359 Ma Devonian | limestone/breccia | 1 |
| Dinwoody | 252 - 247 Ma Phanerozoic | packstone, "limestone", "shale", "mixed carbonate-siliciclastic", sandstone, siltstone, mudstone, "siliciclastic", "limestone"/"shale" | 275 |
| Frontier | 89.3 - 66.0 Ma Late/Upper Cretaceous | sandstone, claystone, mudstone, "siliciclastic", conglomerate, "limestone" | 101 |
| Gallatin Limestone | 501 - 485 Ma Cambrian | limestone/"shale" | 9 |
| Lodgepole Limestone | 359 - 323 Ma Paleozoic | lime mudstone/"limestone", "limestone"/siltstone, "limestone" | 115 |
| Mission Canyon Limestone | 359 - 323 Ma Paleozoic | limestone | 6 |
| Phosphoria - Retort | 260 - 252 Ma Permian | shale, "limestone", mudstone, sandstone | 24 |
| Thaynes | 251 - 247 Ma Early/Lower Triassic | packstone, wackestone, "limestone", "carbonate", "mixed carbonate-siliciclastic", siltstone/"limestone", grainstone/siltstone, "shale", siltstone, sandstone, mudstone, marl | 922 |
| Twin Creek Limestone - B | 174 - 145 Ma Jurassic | limestone | 6 |
| Twin Creek Limestone - C | 174 - 145 Ma Jurassic | limestone | 3 |
| Twin Creek Limestone - E | 174 - 145 Ma Jurassic | limestone | 2 |
| Twin Creek Limestone - F | 174 - 145 Ma Jurassic | limestone | 9 |
| Wells | 318 - 307 Ma Carboniferous | limestone | 4 |
| Younger Conglomerate | 5.33 - 2.59 Ma Cenozoic | conglomerate/sandstone | 3 |
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!
