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Gustavo W. Bertotto, Maurizio Mazzucchelli, Tommaso Giovanardi, Rommulo V. Conceiçao, Alberto Zanetti, Manuel E. Schilling, Mauro I. Bernardi, Alexis D. Ponce, Tiago Jalowitzki, Fernanda Gervasoni and Anna Cipriani
Huanul is a shield volcano with several lava flows hosting mantle xenoliths erupted during the Pleistocene (0.84 ± 0.05 Ma). It is located in the southern part of the Payenia Volcanic Province, which is among the largest Neogene-Quaternary volcanic provi...
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José Antonio Naranjo,Francisco Hevia,Edmundo Polanco
Pág. 514 - 528
The Mondaca Volcano comprises a thick rhyolitic lava-field and a dome of similar composition, located near the Lontué River Valley headwaters in the northern part of the Southern Andes Volcanic Zone. It reaches a total volume of ~0.85 km3, and it is for...
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Derek J. Weller, María Eugenia de Porras, Antonio Maldonado, César Méndez, Charles R. Stern
Pág. 229 - 248
Sediment cores from lakes and bogs in the Río Cisnes valley contain tephra from explosive eruptions of
volcanoes in the southern part of the Andean Southern Volcanic Zone (SSVZ). These tephra, which thicken and coarsen
to the west, are attributed to erup...
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Felipe Aguilera, Oscar Benavente, Francisco Gutiérrez, Jorge Romero, Ornella Saltori, Rodrigo González, Mariano Agusto, Alberto Caselli, Marcela Pizarro
Pág. 20 - 46
Planchón-Peteroa volcano started a renewed eruptive period between January 2010 and July 2011. This
eruptive period was characterized by the occurrence of 4 explosive eruptive phases, dominated by low-intensity phreatic
activity, which produced almost pe...
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Sebastian F.L. Watt,David M. Pyle,Tamsin A. Mather
Pág. 216 - 226
The 2008 eruption of Chaitén Volcano was widely cited as the first activity at the volcano for over 9000 years. However, we have identified evidence from proximal pyroclastic deposits for three additional explosive eruptions of Chaitén within the past 50...
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Sebastian F.L. Watt,David M. Pyle,Tamsin A. Mather
Pág. 335 - 348
Huequi, a little-known volcano in the southern part of the Andean southern volcanic zone (SSVZ), shows a regionally unusual eruption style, mineralogy and geochemistry. The volcano comprises multiple highly-eroded lava domes. Past eruptions were accompan...
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Silke Lohmar,Claude Robin,Alain Gourgaud,Jorge Clavero,Miguel angel Parada,Hugo Moreno,Orkun Ersoy,Leopoldo Lopez-Escobar,Jose Antonio Naranjo
Pág. 233 - 248
Villarrica is an active stratovolcano located in the Southern Andean Volcanic Zone. About 13,800 years BP (conventional radiocarbon ages), this volcano experienced major explosive eruptions which resulted in the emission of a sequence of pyroclastic flow...
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Mauricio Mella,Jorge Munoz,Mario Vergara,Erik Klohn,Lang Farmer,Charles R. Stern
Pág. 131 - 154
The Tronador Volcanic Group (TVG) is located in the transition between the central and southern segment of the Andean Southern Volcanic Zone (SVZ), »50 km to the east of the current volcanic front. The TVG includes, from older to younger, the deeply erod...
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Jose A. Naranjo,Charles R. Stern
Pág. 225 - 240
Tephra deposits exposed in road-cuts in both Chile and Argentina between approximately 42°30' to 45°S preserve evidence of four small (VEI <3 and volume <0.15 km3) and seven medium size (VEI = 3-5 and volume between 0.15 to 1 km3), or possibly larg...
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Daniel Sellés,A. Carolina Rodriguez,Michael A. Dungan,Jose A. Naranjo,Moyra Gardeweg
Pág. 293 - 316
The Quaternary Nevado de Longaví volcano of the Andean Southern Volcanic Zone (SVZ) has erupted magmas that range in composition from basalt to low-silica dacite, although andesites are the dominant erupted magma type. Amphibole is a common phenocryst ph...
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