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Geology of Alaska. 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 ...
Brooks Range. The Brooks Range (Gwich'in: Gwazhał[1]) is a mountain range in far northern North America stretching some 700 miles (1,100 km) from west to east across northern Alaska into Canada 's Yukon Territory. Reaching a peak elevation of 8,976 feet (2,736 m) on Mount Isto, the range is believed to be approximately 126 million years old.
Halka Chronic (February 26, 1923 – April 16, 2013) was a geologist who traveled and wrote books about the geology of the western United States. She studied the Grand Canyon, Walnut Canyon and then resided in Boulder, Colorado where she continued to study the Rocky Mountains.
Gonzaga University (MA) Occupation (s) Geologist, explorer, Jesuit priest. Bernard Rosecrans Hubbard (November 24, 1888 – May 28, 1962) was an American geologist and explorer who popularized the Alaskan wilderness in American media during the middle of the 20th century. Known as "the Glacier Priest", he was a Jesuit priest, head of the ...
Yakutat Block. Yukon–Tanana Terrane. Categories: Natural history of Alaska. Geology of the United States by state. Geology of the Arctic. Hidden category: Commons category link is on Wikidata.
Knife Creek Gorge. The Valley of Ten Thousand Smokes is a valley within Katmai National Park and Preserve in Alaska which is filled with ash flow from the eruption of Novarupta on June 6–8, 1912. [1] Following the eruption, thousands of fumaroles vented steam from the ash. Robert F. Griggs, who explored the volcano 's aftermath for the ...
Devils Thumb, [1] [2] or Taalkhunaxhkʼu Shaa in Tlingit, is a mountain in the Stikine Icecap region of the Alaska – British Columbia border, near Petersburg. It is named for its projected thumb-like appearance. Its name in the Tlingit language means "the mountain that never flooded" and is said to have been a refuge for people during ...
Cook Inlet Basin. Coordinates: 59.7360°N 152.3844°W. The Cook Inlet Basin is a northeast-trending collisional forearc basin that stretches from the Gulf of Alaska into South central Alaska, just east of the Matanuska Valley. It is located in the arc-trench gap between the Alaska-Aleutian Range batholith and contains roughly 80,000 cubic miles ...