Geodynamic controls on magmatic arc migration and quiescence

GM Gianni, SP Luján - Earth-Science Reviews, 2021‏ - Elsevier
Reconfigurations of magmatic arcs through time have been recognized since pioneering
works, describing inland and trenchward arc migrations or magmatic shut-off lasting for …

Origin, distribution, and geochemistry of arsenic in the Altiplano-Puna plateau of Argentina, Bolivia, Chile, and Perú

J Tapia, J Murray, M Ormachea, N Tirado… - Science of the Total …, 2019‏ - Elsevier
Elevated concentrations of arsenic in water supplies represent a worldwide health concern.
In at least 14 countries of South America, high levels have been detected relative to …

Magmatism in the central Andes

G Wörner, M Mamani, M Blum-Oeste - Elements, 2018‏ - pubs.geoscienceworld.org
Active continental margins are shaped by subduction-related magmatism, and the Central
Andes of South America are a prime example. The Central Andean orogen has evolved over …

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 …

Oligocene to present shallow subduction beneath the southern Puna plateau

GM Gianni, HPA García, A Pesce, M Lupari… - Tectonophysics, 2020‏ - Elsevier
The southern Puna plateau is a conspicuous example of a high-elevation orogenic plateau
in a non-collisional setting. This orogenic sector is currently located above an anomalously …

Geomorphology, morphometry, spatial distribution and ages of mafic monogenetic volcanoes of the Peinado and Incahuasi fields, southernmost Central Volcanic …

P Grosse, MLO Ramacciotti, FE Fochi… - Journal of Volcanology …, 2020‏ - Elsevier
The back-arc southern Puna region (south of~ 24° S) in the Central Volcanic Zone of the
Andes contains hundreds of Miocene to Quaternary mafic monogenetic volcanoes roughly …

Reviewing the geodynamic impact of aseismic ridges subduction on the tectonic-magmatic evolution of the Southern Puna plateau

W Báez, E Bustos, A Chiodi, HPA García… - Journal of South …, 2023‏ - Elsevier
Abstract The Southern Puna (∼ 24° S to 27° S) is an outstanding segment of the Central
Andes where the subduction of aseismic ridges, multi-scale lithospheric foundering, and the …

Pulsating flow dynamics of sustained, forced pyroclastic density currents: insights from a facies analysis of the Campo de la Piedra Pómez ignimbrite, southern Puna …

W Báez, S de Silva, A Chiodi, E Bustos… - Bulletin of …, 2020‏ - Springer
Abstract The Quaternary Campo de la Piedra Pomez ignimbrite (CPPI) is a superbly
exposed, partially indurated, rhyolitic ignimbrite emplaced on the southern Puna of …

Polycyclic scoria cones of the Antofagasta de la Sierra basin, Southern Puna plateau, Argentina

W Báez, GC Nuñez, G Giordano, JG Viramonte… - 2017‏ - pubs.geoscienceworld.org
Despite a number of published papers focusing on the geodynamic implications of the
recent Southern Puna mafic magmatism, there have been fewer studies of the volcanology …

Eruptive style and flow dynamics of the pyroclastic density currents related to the Holocene Cerro Blanco eruption (Southern Puna plateau, Argentina)

W Báez, E Bustos, A Chiodi, F Reckziegel… - Journal of South …, 2020‏ - Elsevier
Abstract The Pleistocene-Holocene Cerro Blanco Volcanic Complex (CBVC), one of the
youngest caldera complexes in the Southern Central Andes, is the source of possibly one of …