Results 151 to 160 of about 392,695 (199)

Impact of Magmatic Intrusion on Thermal Effects in Sandstone Reservoirs. [PDF]

ACS Omega
Wang Y, Shan X, He W, Wang S, Shen Y, Zhang Y.   +5 more
europepmc   +1 more source

Contrasting timescales of metal fluxes in porphyry copper systems from coupled physicochemical processes of magmas, rocks and fluids. [PDF]

Sci Rep
Gruzdeva Y, Weis P.
europepmc   +1 more source

Fissure locations and fire-fountain dynamics during the December 2023-September 2024 Svartsengi Volcanic System eruptions, Iceland, from aerial imagery and recreational webcam footage. [PDF]

Bull Volcanol
Rhodes RS, Pyle DM, Mather TA, Pedersen GBM, Parks MM.   +4 more
europepmc   +1 more source

Newly Identified Early Cretaceous High-Mg Diorites in the Southern Dayaoshan Area of South China: Petrogenesis and Geodynamic Implications. [PDF]

ACS Omega
Wei Y, Meng L, Zhang Y.
europepmc   +1 more source

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Calderas and magma reservoirs

Journal of Volcanology and Geothermal Research, 2014
Abstract Large caldera-forming eruptions have long been a focus of both petrological and volcanological studies; petrologists have used the eruptive products to probe conditions of magma storage (and thus processes that drive magma evolution), while volcanologists have used them to study the conditions under which large volumes of magma are ...
Cashman, Katharine V., Giordano, Guido, Cashman, Katharine V   +2 more
openaire   +3 more sources

The Magma Reservoirs That Feed Supereruptions

Elements, 2008
The vigor and size of volcanic eruptions depend on what happens in magma reservoirs in the Earth’s crust. When magmatic activity occurs within continental areas, large reservoirs of viscous, gas-rich magma can be generated and cataclysmically discharged into the atmosphere during explosive supereruptions.
O. Bachmann, G. Bergantz
openaire   +1 more source

Dynamics of differentiation in magma reservoirs

Journal of Geophysical Research: Solid Earth, 1995
In large magma chambers, gradients of temperature and composition develop due to cooling and to fractional crystallization. Unstable density differences lead to differential motions between melt and crystals, and a major goal is to explain how this might result in chemical differentiation of magma.
Claude Jaupart, Stephen Tait
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Deformation driven magma ascent in stratified magma reservoirs: an experimental study

2021
<p>Mature volcanic systems (e.g., Yellowstone, USA; Campi Flegrei, Italy) are fed by stratified magma reservoirs – small bodies of eruptible, crystal-poor silicic magma are suspended within a larger volume of non-eruptible, crystal-rich mush.
Amy Ryan, Mark Zimmerman, Lars Hansen
openaire   +1 more source

A 3D finite element magma reservoir simulator

2023
IC-FEMRES (Imperial College Finite Element Magma REservoir Simulator), is a finite-element based numerical code for simulating the 3D dynamic behaviour of a two-phase, multi-component magma reservoir with chemical reaction.  The code is built upon the open-source IC-FERST package (http://multifluids.github.io/) which includes advanced ...
Haiyang Hu, Pablo Salinas, Matthew Jackson   +2 more
openaire   +1 more source

Vesiculation of mafic magma during replenishment of silicic magma reservoirs

Nature, 1980
Mafic inclusions are lower in bulk density than the andesitic and dacitic lavas in which they occur, and apparently represent a foam inflated during rapid cooling of wet mafic magma in contact with cooler, more silicic reservoir magma. This process occurs as mafic magma enters the base of the reservoir, so that the mafic/silicic interface becomes ...
openaire   +1 more source