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Mount Denison

Denison

Stratovolkan · United States · 2287 m

Mount Denison lies in a poorly known section of Katmai National Park that contains one or more mostly ice-covered vents. The slopes of Mount Denison are seen on the right half of the photo, between the pointed summit in the center and the flatter peak to the far right, between which a glacier descends towards the middle of the image. The rounded peak on the horizon beyond the slopes of Denison is Mount Steller, and the summit ridge of Snowy volcano forms the far-left skyline in this long-distance NE-looking view.
Mount Denison lies in a poorly known section of Katmai National Park that contains one or more mostly ice-covered vents. The slopes of Mount Denison are seen on the right half of the photo, between the pointed summit in the center and the flatter peak to the far right, between which a glacier descends towards the middle of the image. The rounded peak on the horizon beyond the slopes of Denison is Mount Steller, and the summit ridge of Snowy volcano forms the far-left skyline in this long-distance NE-looking view. · Foto: Photo courtesy of Alaska Volcano Observatory, U.S. Geological Survey, 1997. · Wikimedia Commons
Tipe
Stratovolkan
Negara
United States
Wilayah
North America Volcanic Regions / Alaska Peninsula Volcanic Arc
Ketinggian
2287 m
Koordinat
58.418, -154.449
Letusan terakhir
Tidak diketahui
Kondisi tektonik
Subduction zone / Continental crust (> 25 km)
Bentuk lahan
Composite
Batuan utama
Andesite / Basaltic Andesite
Ringkasan geologi

Mount Denison lies near the head of the Serpent Tongue, Hook, and Hallo glaciers NE of Snowy volcano. This poorly known section of Katmai National Park contains a line of four closely spaced and mostly ice-covered volcanic peaks. Denison lies at the SW end of this chain, which also includes Steller, Kukak, and Devils Desk volcanoes. Orientation of lava flows and a thick cross-bedded tephra deposit suggest that a vent is located near Mount Denison (Swanson, in Wood and Kienle 1990). The precise age of the most recent activity at Denison is not known.

Ringkasan Wikipedia

Ringkasan Inggris

Mount Denison is a stratovolcano and one of the highest peaks on the Alaska Peninsula. Discovered in 1923 by Harvard professor Kirtley Fletcher Mather, the mountain was named for the geologist's alma mater, Denison University. The mountain's connection to Denison also include its first climbers: all members of the first two ascent teams as well as the group that attempted in 1977 were either students, alumni, or faculty of the university.

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