Silicic volcanic rocks, a main regional source of geogenic arsenic in waters: Insights from the Altiplano-Puna plateau, Central Andes

J Murray, S Guzmán, J Tapia, DK Nordstrom - Chemical Geology, 2023 - Elsevier
Volcanic rocks are a common, worldwide source of geogenic arsenic (As) that can affect
water quality detrimentally. Nonetheless, variations of As concentration within different types …

Spatial–temporal distribution of explosive volcanism in the 25–28 S segment of the Andean Central Volcanic Zone

S Guzmán, P Grosse, C Montero-López, F Hongn… - Tectonophysics, 2014 - Elsevier
The present contribution describes and analyses the spatial–temporal distribution and main
features of the volcanic rocks, with emphasis in pyroclastic deposits, located in the 25–28° S …

[HTML][HTML] Estratigrafía y evolución del Complejo Volcánico Cerro Blanco, Puna Austral, Argentina

W Báez, M Arnosio, A Chiodi, A Ortiz-Yañes… - Revista mexicana de …, 2015 - scielo.org.mx
El Complejo Volcánico Cerro Blanco se ubica en la provincia de Catamarca en el extremo
sur del altiplano Andino y ha sido interpretado como un sistema de calderas anidadas con …

New evidence about the subduction of the Copiapó ridge beneath South America, and its connection with the Chilean-Pampean flat slab, tracked by satellite GOCE …

O Álvarez, M Gimenez, A Folguera, S Spagnotto… - Journal of …, 2015 - Elsevier
Satellite-only gravity measurements and those integrated with terrestrial observations
provide global gravity field models of unprecedented precision and spatial resolution …

The geological and structural evolution of the long-lived Miocene-Pleistocene La Hoyada Volcanic Complex in the geodynamic framework of the Central Andes …

E Bustos, W Báez, G Norini, M Arnosio… - Journal of Volcanology …, 2019 - Elsevier
Abstract The long-lived La Hoyada Volcanic Complex (LHVC) is located in the east of
Cordillera de San Buenaventura in Argentina. This region is important for understanding of …

U–Pb ages and paleoenvironmental evolution of the guanchín formation (neogene fiambalá foreland basin), Central Andes, Argentina

MN Deri, PL Ciccioli, WH Amidon, SA Marenssi… - Journal of South …, 2023 - Elsevier
Abstract The Guanchín Formation is a sedimentary unit that was deposited during the
Andean orogeny and is preserved in the Fiambalá Basin in NW Argentina. It records an …

Ground deformation at the Cerro Blanco caldera: A case of subsidence at the Central Andes BackArc

ML Velez, E Bustos, L Euillades, M Blanco… - Journal of South …, 2021 - Elsevier
Abstract Cerro Blanco Volcanic Complex (CBVC) is one of the youngest caldera complexes
in the Southern Central Andes. Subsidence registered at CBVC has shown a slowdown in …

Late Miocene ignimbrites at the southern Puna–northern Sierras Pampeanas border (∼ 27° S): Stratigraphic correlation

C Montero-López, S Guzmán, F Barrios - Journal of South American Earth …, 2015 - Elsevier
Highlights•We identified six late Miocene pyroclastic units in the southern Puna.•New
division into Agua Negra and Rincón groups is based on the geochemical signature.•Total …

Cartografía y reconstrucción de la historia eruptiva del volcán Cueros de Purulla, Puna Austral, provincia de Catamarca

ES Bertea, WA Baez, E Bustos, RE Filipovich… - 2021 - ri.conicet.gov.ar
Los domos riolíticos representan fases efusivas dentro de la evolución de estructuras
volcánicas poligenéticas o erupciones que construyen edificios volcánicos monogenéticos …

Brechas y conglomerados epiclásticos dentro de los complejos volcánicos del sureste de la Puna y su relación con la fragmentación del antepaís

RA Astini, RA Mors, FJ Gomez - 2018 - ri.conicet.gov.ar
La evolución del extremo sur de la Puna resulta de procesos dinámicos que incluyen la
formación de una cuenca de antepaís paleógena asociada con una cuña orogénica con …