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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.
Pages in category "Geology of Alaska" The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes. ...
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The Torok Formation lies 2,000–4,000 feet deeper than the Nanushuk Formation.They form a huge wedge of sediment deposited in a deep water basin and stretch from north of the Brooks Range beneath the Alaska North Slope to the adjacent offshore.
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 ...
Alaska wilderness; exploring the Central Brooks Range 2nd ed. Berkeley: University of California Press. ISBN 0-520-24498-2; Mayfield, C.F. et al. (1984). Reconnaissance geologic map of southeastern Misheguk Mountain quadrangle, Alaska [Miscellaneous Investigations Series Map I-1503]. Reston, Va.: U.S. Department of the Interior, U.S. Geological ...
The Nanushuk Formation or Nanushuk Group is a geologic group in Alaska in westernmost National Petroleum Reserve in Alaska (NPR-A). Petroleum in these rocks likely was generated beneath Western Alaska North Slope and migrated northeastward into NPR-A.
Map of Southcentral Alaska Bear Glacier Lake and the Pacific Ocean in the Kenai Fjords. Southcentral Alaska (Russian: Юго-Центральная Аляска), also known as the Gulf Coast Region, [1] is the portion of the U.S. state of Alaska consisting of the shorelines and uplands of the central Gulf of Alaska.