Magmatic water content controls the pre-eruptive depth of arc magmas

DJ Rasmussen, TA Plank, DC Roman, MM Zimmer - Science, 2022 - science.org
Vanguard efforts in forecasting volcanic eruptions are turning to physics-based models,
which require quantitative estimates of magma conditions during pre-eruptive storage …

Measuring the viscosity of lava in the field: A review

MO Chevrel, H Pinkerton, AJL Harris - Earth-Science Reviews, 2019 - Elsevier
Many scientists who have worked on active lava flows or attempted to model lava flows have
recognized the importance of rheology in understanding flow dynamics. Numerous attempts …

Reprint of Silicate-sulfide liquid immiscibility in modern arc basalt (Tolbachik volcano, Kamchatka): Part II. Composition, liquidus assemblage and fractionation of the …

VS Kamenetsky, M Zelenski, A Gurenko, M Portnyagin… - Chemical …, 2018 - Elsevier
Olivine-hosted inclusions of silicate and sulfide melts, Cr-spinel and pyroxene were studied
to estimate magma composition, temperature, pressure, and fO 2 at the onset and during the …

Partitioning of elements between high-temperature, low-density aqueous fluid and silicate melt as derived from volcanic gas geochemistry

M Zelenski, A Simakin, Y Taran, VS Kamenetsky… - … et Cosmochimica Acta, 2021 - Elsevier
By comparing high-quality volcanic gas and whole rock compositions, we calculated the
apparent (observed) mass partition coefficients Kd* for 58 elements on six basaltic …

[PDF][PDF] The influence of emissivity on the thermo-rheological modeling of the channelized lava flows at Tolbachik volcano

M Ramsey, O Chevrel, D Coppola, A Harris - Annals of Geophysics, 2019 - sde.hal.science
Figure 1. ASTER VNIR image acquired on 2 March 2013 centered on the Tolbachik Dol
(“valley”), with 163 channels 3 (0.807 μm), 2 (0.661 μm), 1 (0.556 μm) in red, green, blue …

Method for determining water content in natural rhyolitic melts by Raman spectroscopy and electron microprobe analysis

AA Kotov, SZ Smirnov, PY Plechov, ES Persikov… - Petrology, 2021 - Springer
The paper presents an original method developed by the authors for determining water
content in highly polymerized rhyolite and rhyodacite glasses in melt inclusions. The method …

Dynamics and viscosity of 'a'a and pahoehoe lava flows of the 2012–2013 eruption of Tolbachik volcano, Kamchatka (Russia)

A Belousov, M Belousova - Bulletin of Volcanology, 2018 - Springer
The 2012–2013 flank eruption of Tolbachik volcano (Kamchatka) lasted 9 months and
produced 0.54 km 3 of basaltic trachyandesite lava, thus becoming one of the most …

Comparison of enigmatic diamonds from the Tolbachik arc volcano (Kamchatka) and Tibetan ophiolites: Assessing the role of contamination by synthetic materials

KD Litasov, H Kagi, SA Voropaev, T Hirata, H Ohfuji… - Gondwana …, 2019 - Elsevier
The enigmatic appearance of cuboctahedral diamonds in ophiolitic and arc volcanic rocks
with morphology and infrared characteristics similar to synthetic diamonds that were grown …

High sulfur in primitive arc magmas, its origin and implications

M Zelenski, VS Kamenetsky, N Nekrylov… - Minerals, 2021 - mdpi.com
Sulfur contents in 98.5% of melt inclusions (MI) from calc-alkaline subduction basalts do not
exceed 4000 ppm, whereas experimentally established limits of sulfur solubility in basaltic …

The effects of digital elevation model resolution on the PyFLOWGO thermorheological lava flow model

ITW Flynn, MO Chevrel, DA Crown… - Environmental Modelling & …, 2023 - Elsevier
Topography is a fundamental factor influencing the emplacement of lava flows. We assess
the impact of topographic resolution on the thermorheological PyFLOWGO model …