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Quimsachata

Quimsachata-Oroscocha

Duomo di lava · Peru · 3848 m

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/).
Tipo
Duomo di lava
Paese
Peru
Regione
South America Volcanic Regions / Central Andean Volcanic Arc
Altitudine
3848 m
Coordinate
-14.131, -71.363
Ultima eruzione
-4450
Contesto tettonico
Subduction zone / Continental crust (> 25 km)
Forma vulcanica
Minor (Silicic)
Roccia principale
Rhyolite
Sintesi geologica

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.

Sintesi da Wikipedia

Riassunto in inglese

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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Storia delle eruzioni

Riepilogo (VEI nel tempo)
Fai clic su una barra per vedere le singole eruzioni
4450 BCE~4450 BCE · 1 eruzioni · VEI max. ?4450 BCE4450 BCE4449 BCE4449 BCE4449 BCE

Cronologia dettagliata

  1. 4450 a.C.VEI ?Stima geologica
    BCE 4450 – In corso
    Oroscocha

Link esterni

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