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Montana - Pierre Shale - Gammon Ferruginous, South Dakota, USA
| Group | Montana |
|---|---|
| Formation | Pierre Shale |
| Member | Gammon Ferruginous |
| Age: | 83.5 - 70.6 Ma Late/Upper Cretaceous |
| Interval | Early Campanian |
| Lithology | shale |
| Number of Collections | 6 |
| Number of Occurrences | 12 |
Recorded Sample Locations
| Location | Region | Stratigraphic Name |
|---|---|---|
| Conger Ranch | Fall River County, South Dakota, USA | Montana - Pierre Shale - Gammon Ferruginous |
| Soske Ranch Locality | Pennington County, South Dakota, USA | Montana - Pierre Shale - Gammon Ferruginous |
| Henderson Ranch | Fall River County, South Dakota, USA | Montana - Pierre Shale - Gammon Ferruginous |
| Wallace Ranch | Fall River County, South Dakota, USA | Montana - Pierre Shale - Gammon Ferruginous |
Associated Units
| Stratigraphic Name | Age | Lithology | Occurrence Records |
|---|---|---|---|
| Niobrara | 83.5 - 70.6 Ma Late/Upper Cretaceous | sandstone/"shale", "shale", chalk | 22 |
| Montana - Pierre Shale - Sharon Springs | 83.5 - 70.6 Ma Late/Upper Cretaceous | shale, "shale"/"limestone", "limestone" | 49 |
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!
