| Bighorn Dolomite | |
|---|---|
| Stratigraphic range: Ordovician | |
| Type | Formation |
| Location | |
| Region | Wyoming |
| Country | United States |
The Bighorn Dolomite is a geologic formation in Wyoming. It preserves fossils dating back to the Ordovician period.
The Belle Fourche Formation or Belle Fourche Shale is a fossiliferous early Late-Cretaceous geologic formation classification in Wyoming. Named for outcrops in Belle Fourche River, Wyoming, this unit name is also used in Montana, North Dakota, and South Dakota.
The Gros Ventre Formation is a geologic formation in Wyoming, USA. It preserves fossils dating back to the Cambrian period. The Gros Ventre consists of three main members; the Wolsey Shale, the Death Canyon Limestone, and the Park Shale.
The Aspen Shale is a geologic formation in Wyoming, United States. It preserves fossils dating back to the Cretaceous period.
The Rock Springs Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Cretaceous period.
The Twin Creek Limestone is a geologic formation in Wyoming. It preserves fossils dating back to the Jurassic period.
The Split Rock Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Neogene period.
The Colter Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Neogene period.
The Puerco Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Paleogene period.
The Tepee Trail Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Paleogene period.
The Wagon Bed Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Paleogene period.
The Wiggins Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Paleogene period.
The Fowkes Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Paleogene period.
The Aycross Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Paleogene period.
The Goose Egg Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Permian period.
The Minnekahta Formation is a geologic formation in Wyoming, United States. It preserves fossils dating back to the Permian period.
The Satanka Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Permian period.
The Casper Formation is a geologic formation in Wyoming, USA. It preserves fossils dating back to the Pennsylvanian period.
The Jelm Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Triassic period.
The Woodside Formation is a geologic formation in Wyoming. It preserves fossils dating back to the Triassic period.
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