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Monte Recheshnoi

Recheschnoi

Stratovulcano · United States · 1984 m

Mount Recheschnoi on Umnak Island has been extensively eroded by glaciers. This 1985 view from the SW shows the NE-SW-trending summit ridge, which is contains deep valleys. Holocene cones and lava domes are on the E and W flanks, and a large thermal area including hot springs and a geyser is on the NE flank.
Mount Recheschnoi on Umnak Island has been extensively eroded by glaciers. This 1985 view from the SW shows the NE-SW-trending summit ridge, which is contains deep valleys. Holocene cones and lava domes are on the E and W flanks, and a large thermal area including hot springs and a geyser is on the NE flank. · Foto: Photo by Chris Nye (Alaska Division of Geological & Geophysical Surveys). · Wikimedia Commons
Tipo
Stratovulcano
Paese
United States
Regione
North America Volcanic Regions / Aleutian Ridge Volcanic Arc
Altitudine
1984 m
Coordinate
53.157, -168.539
Ultima eruzione
Sconosciuto
Contesto tettonico
Subduction zone / Intermediate crust (15-25 km)
Forma vulcanica
Composite
Roccia principale
Andesite / Basaltic Andesite
Sintesi geologica

The heavily glaciated Recheschnoi stratovolcano is located ENE of a roughly 900-m-high saddle across from Vsevidof volcano. It consists of an elongated, NE-SW-trending ridge dissected by deep glacier-filled valleys; erosion is more extensive at the NE end. Holocene andesitic pyroclastic cones and rhyolitic lava domes, the latter west of the head of Russian Bay, are situated on the E and W flanks. The Geyser Bight geothermal area on the NE flank consists of six zones of thermal springs and two fumarolic areas along upper Geyser Creek, and contains the only known geysers in the state. Other thermal areas occur at Hot Springs Cove and Partov Cove on the isthmus between Recheschnoi and Okmok.

Sintesi da Wikipedia

Il Monte Recheshnoi è uno stratovulcano profondamente eroso posto nella parte sud-occidentale dell'isola di Umnak, nelle Aleutine. Il fianco settentrionale del vulcano ha una delle aree termali più estese e calde dell'Alaska.

Wikipedia · CC BY-SA · Leggi l'articolo completo

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