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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.
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.
Tectonic map of Alaska and northwestern Canada showing main faults and historic earthquakes Denali Fault and the Denali National Park boundary. The Denali Fault is a major intracontinental dextral (right lateral) strike-slip fault in western North America, extending from northwestern British Columbia, Canada to the central region of the U.S. state of Alaska.
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.
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 ...
Misty Fjords National Monument (or Misty Fiords National Monument) is a national monument and wilderness area administered by the U.S. Forest Service as part of the Tongass National Forest. Misty Fiords is about 40 miles (64 km) east of Ketchikan, Alaska, along the Inside Passage coast in extreme southeastern Alaska, comprising 2,294,343 acres ...
The Alaska Volcano Observatory (AVO) is a joint program of the United States Geological Survey (USGS), the Geophysical Institute of the University of Alaska Fairbanks (UAFGI), and the State of Alaska Division of Geological and Geophysical Surveys (ADGGS). [ 3 ] AVO was formed in 1988, and uses federal, state, and university resources to monitor ...
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 ...