Volcanic and atmospheric controls on ash iron solubility: A review

P Ayris, P Delmelle - Physics and Chemistry of the Earth, Parts A/B/C, 2012 - Elsevier
The ash material produced by volcanic eruptions carries important information about the
underground magma eruptive conditions and subsequent modifications in the volcanic …

Storage and eruption of near-liquidus rhyolite magma at Cordón Caulle, Chile

JM Castro, CI Schipper, SP Mueller, AS Militzer… - Bulletin of …, 2013 - Springer
The last three eruptions at the Cordón Caulle volcanic complex, Chile, have been strikingly
similar in that they have started with relatively short pre-eruptive warning and produced …

Havre 2012 pink pumice is evidence of a short-lived, deep-sea, magnetite nanolite-driven explosive eruption

J Knafelc, SE Bryan, MWM Jones, D Gust… - … Earth & Environment, 2022 - nature.com
The Havre 2012 deep-sea rhyolite eruption went unobserved and was initially recognised
from a massive pumice raft at the sea surface. Havre pumices are predominantly white or …

Shallow crystallization of eruptive magma inferred from volcanic ash microtextures: a case study of the 2018 eruption of Shinmoedake volcano, Japan

K Matsumoto, N Geshi - Bulletin of volcanology, 2021 - Springer
The occurrence of groundmass crystals reveals the shallow conduit process of magmas,
which affects the behavior of eruptions. Here, we analyzed groundmass microtextures of ash …

New Data on the Exploitation of Obsidian in the Southern C aucasus (A rmenia, G eorgia) and Eastern T urkey, Part 2: Obsidian Procurement from the U pper P …

C Chataigner, B Gratuze - Archaeometry, 2014 - Wiley Online Library
Within the framework of the F rench archaeological mission 'C aucasus', in a previous paper
we have presented new geochemical analyses on geological obsidians from the southern C …

Dispersion of arsenic species from highly explosive historical volcanic eruptions in Patagonia

G Bia, MG García, NJ Cosentino, L Borgnino - Science of The Total …, 2022 - Elsevier
Andean volcanic rocks typically have low to moderate arsenic (As) concentrations. However,
elevated levels of As in groundwaters of southern South America have been reported as a …

Complex magma mixing, mingling, and withdrawal associated with an intra-Plinian ignimbrite eruption at a large silicic caldera volcano: Los Humeros of central …

G Carrasco-Núñez, M McCurry, MJ Branney… - …, 2012 - pubs.geoscienceworld.org
Los Humeros is the largest caldera volcano in the Mexican volcanic belt. Its second largest
caldera-forming eruption, the ca. 0.1 Ma Zaragoza eruption, is recorded by two Plinian …

Impact of iron release by volcanic ash alteration on carbon cycling in sediments of the northern Hikurangi margin

M Luo, ME Torres, WL Hong, T Pape, J Fronzek… - Earth and Planetary …, 2020 - Elsevier
We present geochemical data collected from volcanic ash-bearing sediments on the upper
slope of the northern Hikurangi margin during the RV SONNE SO247 expedition in 2016 …

Thermal decomposition of volcanic glass (rhyolite): Kinetic deconvolution of dehydration and dehydroxylation process

PM Angelopoulos, N Manic, B Jankovic… - Thermochimica …, 2022 - Elsevier
Thermal decomposition of hydrous volcanic glass occurs through the release of different
water species under overlapping processes over wide temperature range. Its investigation is …

Effects of experimental reheating of natural basaltic ash at different temperatures and redox conditions

C D'Oriano, M Pompilio, A Bertagnini, R Cioni… - … to Mineralogy and …, 2013 - Springer
A set of experiments have been performed on volcanic materials from Etna, Stromboli and
Vesuvius in order to evaluate how the exposure to thermal and redox conditions close to that …