| Bear Lake Formation | |
|---|---|
| Stratigraphic range: Neogene | |
| Type | Formation |
| Location | |
| Region | Alaska |
| Country | United States |
The Bear Lake Formation is a geologic formation in Alaska. It preserves fossils dating back to the Miocene period. [1]
Bear Lake is near the town of Seward and Resurrection Bay, in the Kenai Peninsula Borough on the Kenai Peninsula in the U.S. state of Alaska. It is accessible from Bear Creek Road, which connects it to the Seward Highway. It is the site of salmon enhancement activities since 1962. This program is now managed by the Cook Inlet Aquaculture Association. Current projects at Bear Lake focus on increasing sockeye and coho salmon by controlling species that are predators and competitors.
Paleontology in Alaska refers to paleontological research occurring within or conducted by people from the U.S. state of Alaska. During the Late Precambrian, Alaska was covered by a shallow sea that was home to stromatolite-forming bacteria. Alaska remained submerged into the Paleozoic era and the sea came to be home to creatures including ammonites, brachiopods, and reef-forming corals. An island chain formed in the eastern part of the state. Alaska remained covered in seawater during the Triassic and Jurassic. Local wildlife included ammonites, belemnites, bony fish and ichthyosaurs. Alaska was a more terrestrial environment during the Cretaceous, with a rich flora and dinosaur fauna.
The Alamosa Formation is a geologic formation in Colorado. It preserves fossils. The formation was deposited by Lake Alamosa, a paleolake that existed from the Pliocene to the middle Pleistocene.
The Nuka Formation is a geologic formation in Alaska. It contains 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 Cantwell Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period, it has also yielded numerous dinosaur tracks at Denali National Park. Contemporary therizinosaurid and hadrosaurid trackways in the formation indicate that the area was once a major point of immigration between Asia and North America during the Late Cretaceous for many families of dinosaur. Fossil plants similar to water lilies found in the same area suggest the area was a wetland or marsh, with ponds and other large standing bodies of water.
The Chignik Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period.
The Chisana 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 Skajit Formation is a geologic formation in Alaska. It preserves fossils dating back to the Devonian period.
The Bowser Formation is a geologic formation in Alaska. It preserves fossils dating back to the Jurassic period.
The Chinitna Formation is a geologic formation in Alaska. It preserves fossils dating back to the Jurassic period.
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 Halleck Formation is a geologic formation in Alaska. It preserves fossils dating back to the Permian period.
The Slana Spur Formation is a geological formation in Alaska. It preserves fossils dating back to the Permian period.
The Takhandit Formation is a geologic formation in Alaska. 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 Shublik Formation is a geologic formation in Alaska. It preserves fossils dating back to the Triassic period.
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