Quimsachata

Quimsachata-Oroscocha

용암돔 · Peru · 3848m

A lava flow at Quimsachata scoria cone is visible in this October 2020 Planet Labs satellite image monthly mosaic (N is at the top). The flow erupted about 11,500 years ago and is approximately 4.7 km in the NW-SE direction. The smaller lava flow directly to the north was erupted from the Oroscocha lava dome about 6,400 years ago. These are the northernmost young volcanic centers in Perú. · 사진: Satellite image courtesy of Planet Labs Inc., 2020 (https://www.planet.com/).

화산 유형: 용암돔
국가: Peru
지역: South America Volcanic Regions / Central Andean Volcanic Arc
해발: 3848m
좌표: -14.131, -71.363
마지막 분화: -4450년
판구조 환경: Subduction zone / Continental crust (> 25 km)
화산 지형: Minor (Silicic)
주요 암석: Rhyolite

지질학적 요약

The Quimsachata-Oroscocha group consists of two late Pleistocene and Holocene monogenetic volcanoes at the foot of the Cordillera Oriental, far east of the main volcanic front. Quimsachata is a high-potassium andesitic scoria cone surrounded by a lava shield that was erupted in flat terrain along the Vilcanota River about 11,500 years ago. Oroscocha is a rhyolitic lava dome with a short, thick lava flow erupted from a N-S-trending fissure about 6,400 years ago.

Wikipedia 요약

영어 요약

Quimsachata is dormant lava dome volcano located in the Andes of Peru. It is located in the Cusco Region, Canchis Province at about 24 kilometres (15 mi) northwest of the town of Sicuani. This volcano is constructed from two separate centres, one active 11,500 years ago which formed a scoria cone and a lava field and another active 4450 BCE which formed two lava flows and a lava dome.

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분화 이력

요약 (VEI 시계열)

막대를 클릭하면 개별 분화가 표시됩니다

상세 타임라인

기원전 4450년VEI ?지질학적 추정
BCE 4450 ~ 진행 중
Oroscocha

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