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The geology of Alaska includes Precambrian igneous and metamorphic rocks formed in offshore terranes and added to the western margin of North America from the Paleozoic through modern times. The region was submerged for much of the Paleozoic and Mesozoic and formed extensive oil and gas reserves due to tectonic activity in the Arctic Ocean.
This page was last edited on 11 January 2022, at 01:45 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
This article about a specific stratigraphic formation in Alaska is a stub. You can help Wikipedia by expanding it.
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 ...
The Yukon–Tanana terrane (yellow) stretches across Alaska, Yukon, and British Columbia. Kaltag–Tintina fault (north of YTT) and Denali-Fairweather Fault (south of YTT) in white. The Yukon–Tanana terrane ( YTT ) is a tectonic terrane that extends from central Alaska through central Yukon and into northern British Columbia , Canada and ...
The Schrader Bluff Formation is a geologic formation in Alaska. It preserves fossils dating back to the Cretaceous period, [4] Fossil remains include Inoceramus and Scaphites. [5] Originally named by George Gryc and others as the marine formation of the Colville Group (abandoned). [3]
Map from the US Bureau of Land Management showing structures that create the oil fields in Alaska North Slope geologic cross section Geophysical Service Inc. seismic exploration crew, Deadhorse, Alaska, 1981. Under the North Slope is an ancient seabed, which now contains large amounts of petroleum. Within the North Slope, there is a geological ...
This page was last edited on 18 November 2024, at 07:48 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.