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Mechanisms of arsenic and fluoride release from Chacopampean sediments (Argentina)
(Inderscience Publishers, 2014-01)
We have examined the sources and mechanisms that control the release of fluoride and arsenate from fluvial and loess sediments collected from the Chacopampean region, Argentina. Both types of sediments show slight differences ...
Characterization of tephras dispersed by the recent eruptions of volcanoes Calbuco (1961), Chaitén (2008) and Cordón Caulle Complex (1960 and 2011), in Northern Patagonia
(Pergamon-Elsevier Science Ltd., 2014-01)
Pyroclastic materials dispersed in recent volcanic eruptions in Northern Patagonia were analysed in order to characterize the volcanic provenance by the geochemical fingerprint. The volcanic products studied were dispersed ...
Correlating weathered, microphenocryst-rich, intermediate tephra: An approach combining bulk and single shard analyses from the Lepue Tephra, Chile and Argentina
(2019)
Chemical correlation of intermediate tephra deposits using microanalytical data is problematic because (i) the phenocryst content of their component glass shards affects major and trace element analyses (ii) bulk chemistry ...
Distribution, mineralogy, petrography, provenance and significance of Permian ash-carrying deposits in the Paraná BasinDistribution, mineralogy, petrography, provenance and significance of Permian ash-carrying deposits in the Paraná Basin
(Universidade de São Paulo, Instituto de Geociências, 2005)
Association of phosphate with rhyolite glass in marine Neogene tuffs from Patagonia, Argentina
(Wiley Blackwell Publishing, Inc, 2013-06)
The precipitation/replacement of Ca-phosphate is a complex process that commonly takes place during the early diagenesis in marine sediments. The unusual occurrence of shallow marine, early diagenetic phosphatic deposits ...
An 18,000 year-long eruptive record from Volcán Chaitén, northwestern Patagonia: Paleoenvironmental and hazard-assessment implications
(Elsevier, 2017)
The 2008 eruption of Volc an Chait en (VCha) in northwestern Patagonia was the first explosive rhyolitic
eruption to have occurred within a century and provided an unprecedented scientific opportunity to
examine all ...
Multiple melt bodies fed the AD 2011 eruption of Puyehue-Cordon Caulle, Chile
(2015)
Within the volcanological community there is a growing awareness that many large-to smallscale, point-source eruptive events can be fed by multiple melt bodies rather than from a single magma reservoir. In this study, glass ...
Multiple melt bodies fed the AD 2011 eruption of Puyehue-Cordón Caulle, Chile
(Nature Publishing Group, 2015-12)
Within the volcanological community there is a growing awareness that many large- to small-scale, point-source eruptive events can be fed by multiple melt bodies rather than from a single magma reservoir. In this study, ...