| Tachilni Formation Stratigraphic range: Neogene | |
|---|---|
| Type | Formation |
| Location | |
| Region | Alaska |
| Country | United States |
The Tachilni Formation is a geologic formation in Alaska. It preserves fossils dating back to the Neogene period.
The Kogruk Formation is a geologic formation in Alaska. It preserves fossils dating back to the Carboniferous period.
The Wachsmuth Formation is a geologic formation in Alaska. It preserves fossils dating back to the Carboniferous period.
The Staniukovich 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 Chignik 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 Eli Formation is a geologic formation in Alaska. It preserves fossils dating back to the Devonian period.
The McCann Hill Chert is a geologic formation in Alaska. It preserves fossils dating back to the Devonian period.
The Port Refugio Formation is a geologic formation in Alaska. It preserves fossils dating back to the Devonian period.
The Skajit Formation is a geologic formation in Alaska. It preserves fossils dating back to the Devonian period.
The Cascaden Ridge Formation is a geologic formation in Alaska. It preserves fossils dating back to the Devonian period.
The Gaikema Formation is a geologic formation in Alaska. It preserves fossils dating back to the Jurassic period.
The Narrow Cape Formation is a geologic formation in the Kodiak Archipelago, in Alaska. The formation outcrops along Narrow Cape and nearby Ugak Island. It preserves fossils dating back to the Neogene period. Invertebrate fossils are abundant, along with rare vertebrate fossils.
The Tyonek Formation is a geologic formation in Alaska. It preserves fossils dating back to the Neogene period.
The Poul Creek Formation is a geologic formation in Alaska. It preserves fossils dating back to the Paleogene period.
The Eagle Creek Formation is a geologic formation in Alaska. It preserves fossils dating back to the Permian period.
The Phelan Creek Formation is a geologic formation in Alaska. It preserves fossils dating back to the Permian period.
The Tetelna Formation is a geologic formation in Alaska, United States. It preserves fossils dating back to the Permian period.
The Road River Formation is a geologic formation in Alaska. It preserves fossils dating back to the Silurian period.
The Hound Island Volcanics is a geologic formation in Alaska. It preserves fossils dating back to the Triassic period.
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