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Puyuhuapi

火砕丘 · Chile · 524m

A chain of cinder cones was erupted along NE-SW-trending fissures at the head of Puyuhuapi fjord (top-center) in this NASA International Space Station image (with north to the upper left). The Volcanes de Puyuhuapi consists of a larger group of four cones on the western side of Puyuhuapi fjord and a chain of smaller cones north of the head of the fjord. The two fractures and the fjord are related to the regional Liquiñe-Ofqui fault zone. The town of Puyuhuapi lies on the western side of the fjord, about halfway down its visible length in this image.
A chain of cinder cones was erupted along NE-SW-trending fissures at the head of Puyuhuapi fjord (top-center) in this NASA International Space Station image (with north to the upper left). The Volcanes de Puyuhuapi consists of a larger group of four cones on the western side of Puyuhuapi fjord and a chain of smaller cones north of the head of the fjord. The two fractures and the fjord are related to the regional Liquiñe-Ofqui fault zone. The town of Puyuhuapi lies on the western side of the fjord, about halfway down its visible length in this image. · 写真: NASA International Space Station image ISS004-E-7079, 2002 (http://eol.jsc.nasa.gov/). · Wikimedia Commons
タイプ
火砕丘
国
Chile
地域
South America Volcanic Regions / Southern Andean Volcanic Arc
標高
524m
座標
-44.300, -72.530
最終噴火
不明
テクトニクス環境
Subduction zone / Continental crust (> 25 km)
火山地形
Minor
主要岩石
Basalt / Picro-Basalt
地質学的概要

A chain of dominantly basaltic cinder cones erupted along two NE-SW-trending fissures at the head of Puyuhuapi fjord comprise the Volcanes de Puyuhuapi. The larger group of four cones lies on the W side of the fjord and fed lava flows that traveled SE to the sea. The second lineament formed a chain of four smaller cones between the head of the fjord and Lake Risopatrón to the N. The two fractures are related to the regional Liquiñe-Ofqui fault zone. The cinder cones are extremely well preserved, suggesting a very young age.

Wikipedia の要約

英語版の要約

Puyuhuapi Volcanic Group is a volcanic group of cinder cones located at the head of Puyuhuapi Channel, in the Aysén del General Carlos Ibáñez del Campo Region of Chile.

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