2014
DOI: 10.1016/j.jvolgeores.2014.10.018
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Geochronological, morphometric and geochemical constraints on the Pampas Onduladas long basaltic flow (Payún Matrú Volcanic Field, Mendoza, Argentina)

Abstract: The Pampas Onduladas flow in southern Mendoza, Argentina, is one of the four longest Quaternary basaltic flows on Earth. Such flows (> 100 km) are relatively rare on Earth as they require special conditions in order to travel long distances and there are no recent analogues. Favourable conditions include: a gentle topographic slope, an insulation process to preserve the melt at high temperature, and a large volume of lava with relatively low viscosity. This study investigates the rheological and geochemical ch… Show more

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Cited by 9 publications
(12 citation statements)
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“…The Undara hawaiite is the longest recorded Cenozoic flow in Australia, and one of the longest on the planet -it surpasses Hawaiian or Icelandic flows , is of similar length to the Pampas Onduladas flow in Argentina (Espanon et al, 2014), and is only exceeded by lavas in the Columbia River Flood Basalts . The Undara vent is 1020 m above sea level and is the highest point of the McBride province (Fig.…”
Section: Geology Of the Long Lava Flows In North Queenslandmentioning
confidence: 97%
“…The Undara hawaiite is the longest recorded Cenozoic flow in Australia, and one of the longest on the planet -it surpasses Hawaiian or Icelandic flows , is of similar length to the Pampas Onduladas flow in Argentina (Espanon et al, 2014), and is only exceeded by lavas in the Columbia River Flood Basalts . The Undara vent is 1020 m above sea level and is the highest point of the McBride province (Fig.…”
Section: Geology Of the Long Lava Flows In North Queenslandmentioning
confidence: 97%
“…2) y que culminó su recorrido en un sector denominado Punta de la Barda, situado a los 37°8' S y 67°14' O. El flujo lávico Pampa de Los Carrizales fue datado mediante el método K-Ar en 0,40±0,10 Ma (Melchor y Casadío, 1999). En la presente investigación se obtuvo una nueva edad para la colada adyacente denominada Pampas Onduladas de 0,307±0,020 Ma, similar a las obtenidas por Espanon et al (2014a) de 0,373±0,010 Ma y por May et al (2018) de 0,384±0,050 Ma mediante las metodologías 40 Ar/ 39 Ar e isótopos 3 He c y 21 Ne c , respectivamente. La efusión de los dos flujos precedió la formación de la caldera del Payún Matru ocurrida entre los 0,148 y 0,082 Ma (Germa et al, 2010;Hernando et al, 2014).…”
Section: Colada De Lava Pampa De Los Carrizalesunclassified
“…Bertotto et al (2006b) determinaron nuevas edades K-Ar en cuatro centros eruptivos de Mendoza y La Pampa, con valores que varían entre 0,64 y 14,8 Ma. Pasquaré et al (2008) y Espanon et al (2014a) estudiaron la colada Pampas Onduladas la cual se extiende desde el campo volcánico Payún Matru hasta el valle del río Salado en La Pampa y la propusieron como el flujo cuaternario continental más largo del planeta. Además, Espanon et al (2014a) determinaron una edad 40 Ar/ 39 Ar de 0,37±0,01 Ma para la colada Pampas Onduladas.…”
Section: Introductionunclassified
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“…This volcanic field records the largest volcanic activity of Payenia. The age of the flow is of 373 ± 10 ka as indicated by 40 Ar/ 39 Ar analysis of Espanon et al (2014). Pasquarè et al (2008) proposed an inflation mechanism emplacement for Pampas Onduladas lava flow, inferred from its structural and morphological features.…”
Section: Geological Settingmentioning
confidence: 99%