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Mount Recheshnoi

Recheschnoi

Estratovolcán · 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
Estratovolcán
País
United States
Región
North America Volcanic Regions / Aleutian Ridge Volcanic Arc
Altitud
1984 m
Coordenadas
53.157, -168.539
Última erupción
Desconocido
Contexto tectónico
Subduction zone / Intermediate crust (15-25 km)
Forma volcánica
Composite
Roca principal
Andesite / Basaltic Andesite
Resumen geológico

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.

Resumen de Wikipedia

Resumen en inglés

Mount Recheshnoi is a heavily eroded stratovolcano located near the center of the SW lobe of Umnak Island in the Aleutian Islands of Alaska.

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Enlaces externos

⚠ Solo como referencia. No apto para respuesta ante emergencias.