- Source: Frontier Formation
The Frontier Formation is a sedimentary geological formation whose strata date back to the Late Cretaceous. The formation's extents are: northwest Colorado, southeast Idaho, southern Montana, northern Utah, and western Wyoming. It occurs in many sedimentary basins and uplifted areas.
The formation is described by W.G. Pierce as thick, lenticular, grey sandstone, gray shale, carbonaceous shale, and bentonite.
Dinosaur remains are among the fossils that have been recovered from the formation.
Vertebrate paleofauna
Nodosaurus textilis
Stegopelta landerensis - "Partial postcranium, osteoderms, [and] fragments of skull."
Hadrosauroidea indet. Footprints (Upper)
Other paleofauna
Callichimaera perplexa
Collignoniceras woollgari
See also
List of dinosaur-bearing rock formations
References
Kata Kunci Pencarian:
- Kleopatra
- Penyebaran Islam
- Bumi
- Agama Hindu
- Tata Surya
- Suku Batak
- Galaksi
- Kebangkitan Jenghis Khan
- Mars
- Kalium
- Frontier Formation
- Nodosaurus
- Salt Creek Oil Field
- American frontier
- North-West Frontier Province
- Frontier Thesis
- Concretion
- Elk Basin
- 55th Coke's Rifles (Frontier Force)
- Frontier Corps