Results 31 to 40 of about 2,053 (253)

Micro-Textural Controls on Magma Rheology and Vulcanian Explosion Cyclicity

Frontiers in Earth Science, 2021
Understanding the relationship between degassing, crystallization processes and eruption style is a central goal in volcanology, in particular how these processes modulate the magnitude and timing of cyclical Vulcanian explosions in intermediate magmas ...
Amelia A. Bain, Jackie E. Kendrick, Jackie E. Kendrick, Anthony Lamur, Yan Lavallée, Eliza S. Calder, Joaquín A. Cortés, Gloria Patricia Cortés, Diego Gómez Martinez, Roberto A. Torres   +9 more
doaj   +1 more source

Volcanology, Geochemistry, and Petrology Perspectives on Integrated, Coordinated, Open, Networked (ICON) Science [PDF]

, 2022
This article is composed of a commentary about the state of Integrated, Coordinated, Open, and Networked (ICON) principles (Goldman et al., 2021, https://doi.org/10.1029/2021ea002099 ) in Volcanology, Geochemistry, and Petrology (VGP), and ...
Arora, Bhavna, Kumar, Naresh, Diana C. Roman, Fru, Mary IN, Adriana Currin, Bhavna Arora, Dipankar Dwivedi, Mary I. N. Fru, Roman, Diana C., Naresh Kumar, Claire L. McLeod, Fru, Mary I.N., McLeod, Claire L, Roman, Diana C, McLeod, Claire L., Currin, Adriana, Dwivedi, Dipankar   +16 more
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Morphology, Internal Architecture, Facies Model, and Emplacement Mechanisms of Lava Flows from the Central Atlantic Magmatic Province (CAMP) of the Hartford and Deerfield Basins (USA)

Geosciences
The morphology, internal architecture, and emplacement mechanisms of the Central Atlantic Magmatic Province (CAMP) lava flows of the Hartford and Deerfield basins (USA) are presented. The Talcott, Holyoke, and Hampden formations within the Hartford basin
Abdelhak Moumou, Nasrrddine Youbi, Hind El Hachimi, Khalil El Kadiri, José Madeira, João Mata, Isma Amri, Abdelkarim Ait Baha   +7 more
doaj   +1 more source

Multi-parametric investigation of the volcano-hydrothermal system at Tatun Volcano Group, Northern Taiwan [PDF]

Natural Hazards and Earth System Sciences, 2012
The Tatun Volcano Group (TVG) is located in northern Taiwan near the capital Taipei. In this study we selected and analyzed almost four years (2004–2007) of its seismic activity.
S. Rontogianni, K. I. Konstantinou, C.-H. Lin   +2 more
doaj   +1 more source

Determination of physicochemical conditions and role of fluids in evolution of Geysour granitoid (eastern Gonabad), using biotite mineral chemistry

Journal of Economic Geology, 2021
Introduction The chemical composition of biotite in mineralization associated with granitoids and copper porphyry deposits is sensitive to several chemical and physical factors.
Ahmad Ahmadi Khalaji , Abdolsamad Pourmohammad , Mohammad Ebrahimi , Masoud Homam, Rasoul Esmaeili   +4 more
doaj   +1 more source

Basic Geophysics - Physical Volcanology

, 2019
How active is the Santiaguito volcano in Guatemala? Operation principle and combination of different measuring methods in volcanology, differentiation of earthquakes, explosive eruptions and falling ...
Barth, Andreas
core   +1 more source

Effect of interfacial properties on mechanical stability of ash deposit

Journal of Rock Mechanics and Geotechnical Engineering, 2016
The paper presents a study on the cohesion of volcanic ash particles using surface free energy determination and zeta potential analyses. This is a subject of great interest in physical volcanology, as many researches on volcanic particle aggregation are
A. Ontiveros-Ortega, J.A. Moleon, I. Plaza, C. Guillén   +3 more
doaj   +1 more source

Will subglacial rhyolite eruptions be explosive or intrusive? Some insights from analytical models. [PDF]

, 2007
Simple analytical models of subglacial eruptions are presented, which simulate evolving subglacial cavities and volcanic edifices during rhyolitic eruptions beneath temperate glaciers.
Gilbert, Jennie S., Tuffen, Hugh, Tuffen, H., Gilbert, J. S., McGarvie, D. W., Gilbert, Jennifer   +5 more
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Learning volcanology: Modules to facilitate problem solving by undergraduate volcanology students

, 2016
Six modules are presented that are designed for use in an undergraduate physical volcanology course. Each module uses a four-step mathematical problem-solving approach following Polya\u27s How to Solve It, to guide students to: (i) understand the problem,
Vacher, H. L., Connor, C. B.
core   +1 more source

MUDA: dynamic geophysical and geochemical MUltiparametric DAtabase [PDF]

Earth System Science Data
In this paper, the new dynamic geophysical and geochemical MUltiparametric DAtabase (MUDA) is presented. MUDA is a new infrastructure of the National Institute of Geophysics and Volcanology (INGV), published online in December 2023, with the aim of ...
M. Massa, A. L. Rizzo, A. L. Rizzo, D. Scafidi, E. Ferrari, S. Lovati, L. Luzi   +6 more
doaj   +1 more source