| Chisana Formation | |
|---|---|
| Stratigraphic range: Cretaceous | |
| Type | Formation |
| Location | |
| Region | Alaska |
| Country | United States |
The Chisana Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Tuscaloosa Formation is a geologic formation in Alabama. It preserves fossils dating back to the Cretaceous period.
The Coleraine Formation is a geologic formation in Minnesota. It preserves fossils dating back to the Cretaceous period.
The Edwards Group is a geologic group in Texas. It preserves fossils dating back to the Cretaceous period.
The Schrader Bluff Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period,
The Torok Formation is a geologic formation in the National Petroleum Reserve in Alaska (NPR-A). It preserves fossils dating back to the Cretaceous period.
The Ungalikthluk Belt Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Staniukovich Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Mount Oratia Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Okpikruak Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Buchia Ridge Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Chignik Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Corwin Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Eek Mountain Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Hoodoo Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Ignek Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Kennicott Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Kongakut Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Kukpowruk Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Nanushuk Group or Nanushuk formation is a geologic group in Alaska in westernmost National Petroleum Reserve in Alaska (NPR-A). Oil in these rocks likely was generated beneath Western North Slope and migrated northeastward into NPR-A. It preserves fossils dating back to the Cretaceous period. Underneath the Nanushuk lies the Torok Formation.
The Durlston Formation is a geologic formation in England. Particularly in the Isle of Purbeck. It preserves fossils dating back to the Berriasian stage of the Lower Cretaceous.
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