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Summary

Description
English: A graphical interpretation of Tata Sabaya's evolution including debris avalanche.
Schematic cross-section diagram showing the formation and evolution of the Tata Sabaya volcano (in Bolivia) from its partial collapse to the current edifice. The segmented line represents the amphitheatre and subsequent collapse scar generated. The arrow indicates the direction of movement of the avalanche. (a) Pre-collapse volcano and the distribution of the different lithological units that would have made it. This paleoedifice would have been constituted by an alternating sequence of pyroclastic deposits and domes of dacitic compositions, and lavas of andesitic to dacitic compositions. The basement of the volcano would comprise pyroclastic sequences (Pyroclastic Shield Stage) and lacustrine sedimentary sequences, with an intrusive basement of granitic composition observed towards the north; (b) Distribution of lithological units, belonging to the volcano and its basement, in the deposit generated by the debris avalanche; (c) Structure of the current volcanic edifice, which would be constructed in a similar way to the pre-collapse edifice.
Español: Esquema de constitución y evolución del volcán Tata Sabaya desde su colapso parcial hasta el actual edificio. La línea segmentada representa el anfiteatro y posterior cicatriz de colapso generada. La flecha indica la dirección de movimiento de la avalancha. a. Volcán precolapso y la distribución de las diferentes unidades litológicas que lo habrían conformado. Este paleoedificio habría estado constituido por una alternancia de secuencia de depósitos piroclásticos y domos de composiciones dacíticas, y lavas de composiciones andesíticas a dacíticas. El basamento del volcán comprendería secuencias piroclásticas (Etapa de Escudo Piroclástico) y sedimentarias lacustres, observándose hacia el norte un basamento intrusivo de composición granítica (ver texto); b. Distribución de unidades litológicas, pertenecientes al volcán y al basamento del mismo, en el depósito generado por la avalancha de detritos; c. Estructura del actual edificio volcánico, el cual se constituiría de manera similar al edificio precolapso.
Date
Source Godoy, B.; Clavero, J.; Rojas, C.; Godoy, E. (2012) "Facies volcánicas del depósito de avalancha de detritos del volcán Tata Sabaya, Andes Centrales", Andean Geology, volume 39, issue 3, pages 394–406, doi: 10.5027/andgeoV39n3-a03, figure 5.
Author Benigno Godoy, Jorge Clavero, Constanza Rojas, Estanislao Godoy

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This file, which was originally posted to Volcanic facies of the debris avalanche deposit of Tata Sabaya Volcano, Central Andes, was reviewed on 9 May 2016 by reviewer Czar, who confirmed that it was available there under the stated license on that date.

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September 2012

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current13:12, 3 December 2015Thumbnail for version as of 13:12, 3 December 2015585 × 760 (63 KB)Jo-Jo Eumerus{{Information |Description ={{en|1=A graphical interpretation of en:Tata Sabaya's evolution including debris avalanche.}} |Source =[http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-71062012000300003 Volcanic facies of the deb...

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