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Box Butte, Nebraska, USA
| Formation | Box Butte |
|---|---|
| Member(s) | basal Red Valley Dawes Clay Red Valley |
| Age: | 20.4 - 16.0 Ma Miocene |
| Interval | Hemingfordian |
| Number of Collections | 1 |
| Number of Occurrences | 1 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Cart Trail Quarry | Box Butte County, Nebraska, USA | Box Butte - Red Valley |
| Brecht Ranch | Dawes County, Nebraska, USA | Box Butte - Red Valley |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Box Butte - basal Red Valley | 20.4 - 16.0 Ma Miocene | 4 | |
| Box Butte - Dawes Clay | 20.4 - 16.0 Ma Miocene | 5 | |
| Box Butte - Red Valley | 20.4 - 16.0 Ma Miocene | 41 | |
| Brule | 33.3 - 30.8 Ma Oligocene | sandstone | 162 |
| Brule - lower Orella | 33.9 - 33.3 Ma Oligocene | 213 | |
| Brule - Orella | 33.9 - 33.3 Ma Oligocene | 135 | |
| Chadron | 37.2 - 33.9 Ma Paleogene | claystone, "siliciclastic", "limestone", "volcaniclastic" | 132 |
| probably Gering | 30.8 - 20.4 Ma Cenozoic | 3 | |
| Runningwater | 20.4 - 16.0 Ma Miocene | sandstone, sandstone/conglomerate | 315 |
| Runningwater - lower | 20.4 - 16.0 Ma Miocene | 1 | |
| Sand Canyon | 20.4 - 16.0 Ma Miocene | 3 | |
| Arikaree | 24.8 - 20.4 Ma Cenozoic | conglomerate, sandstone | 88 |
| Arikaree - Harrison | 23.0 - 5.33 Ma Miocene | 32 | |
| Hemingford - Marsland | 24.8 - 20.4 Ma Cenozoic | sandstone | 107 |
| lower Arikaree | 30.8 - 20.4 Ma Cenozoic | 10 |
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!
