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Peru · Kubah lava

Quimsachata (Canchi)

Quimsachata-Oroscocha

Tipe
Kubah lava
Ketinggian
3848 m
Letusan terakhir
-4450
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.
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. · Foto: Satellite image courtesy of Planet Labs Inc., 2020 (https://www.planet.com/).
Tipe
Kubah lava
Negara
Peru
Wilayah
Amerika Selatan / Central Andean Volcanic Arc
Ketinggian
3848 m
Koordinat
-14.131, -71.363
Letusan terakhir
-4450
Kondisi tektonik
Zona subduksi / Kerak benua (> 25 km)
Bentuk lahan
Kecil (silisik)
Batuan utama
Riolit
Ringkasan geologi

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.

Ringkasan Wikipedia

Ringkasan Inggris

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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4450 SM~4450 SM · 1 letusan · VEI maks. ?4450 SM4450 SM4449 SM4449 SM4449 SM

Garis waktu rinci

  1. 4450 SMVEI ?Perkiraan geologi
    4450 SM – akhir tidak diketahui
    Oroscocha

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