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Box Butte - Red Valley, Nebraska, USA
Formation | Box Butte |
---|---|
Member | Red Valley |
Age: | 20.4 - 16.0 Ma Miocene |
Interval | Hemingfordian |
Number of Collections | 7 |
Number of Occurrences | 41 |
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 | 20.4 - 16.0 Ma Miocene | 1 | |
Box Butte - basal Red Valley | 20.4 - 16.0 Ma Miocene | 4 | |
Box Butte - Dawes Clay | 20.4 - 16.0 Ma Miocene | 5 | |
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!