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Mount Recheshnoi description and information

RECHESHNOI LINKS

SAMPLES
LOCATION
FACTS
Official Name: Mount Recheshnoi
Type:Stratovolcano
Most Recent Activity:
Seismically Monitored: No
Elevation: 6509 ft (1984 m)
Latitude: 53.1536° N
Longitude:168.5382° W
Quadrangle:Umnak
CAVW Number:311280
Pronunciation: Sound file
Associated Features:Kshaliuk Point
West Vent
Russian Bay domes
Qtz-Ol-And vent
Nearby towns:Nikolski 21 mi (33 km) SW
Unalaska 96 mi (155 km) NE
Akutan 132 mi (212 km) NE
Attu Station 196 mi (315 km) SW
Anchorage 887 mi (1428 km) NE
DESCRIPTION
From Wood and Kienle (1990): "Mount Recheshnoi is a large, heavily glaciated stratovolcano on central Umnak Island, 10 km east of Mount Vsevidof, its nearest volcanic neighbor. The central part of the cone is built on a flat erosional surface ~60 m above sea level cut on Tertiary plutonic and sedimentary rocks. The east and northeast flanks overlie ~300 m of lava flows from older volcanoes. The central 40-50 square km (above 1000 m elevation) consists of pyroclastic beds and a vent complex. This area has been heavily eroded by 9 small valley glaciers and retains none of its original constructional volcanic form. The summit area consists of a 4-km-long east-west ridge which may reflect construction from an older eastern vent and a younger western vent. Below 1,000 m the volcano consists of andesite flows with minor pyroclastic interbeds. The original construction is preserved in some upland areas between glaciers, especially on the western flank. The central cone is probably mostly Pleistocene in age. A glaciated basaltic parasitic cone exists on the northwest flank. Post-glacial deposits are limited to andesitic cinder cones and flows on the east and west flanks, a series of small rhyolite domes on the west flank and a quartz-olivine andesite dome on the east-northeast flank. There is a large zone of hot springs and a few geysers 8 km northeast of the summit."
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Page modified: June 12, 2014 07:20
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