[HTML][HTML] How greisenization could trigger the formation of large vein-and-greisen Sn-W deposits: A numerical investigation applied to the Panasqueira deposit

G Launay, Y Branquet, S Sizaret, L Guillou-Frottier… - Ore Geology …, 2023 - Elsevier
The formation of large tin-tungsten (Sn-W) deposits around granitic intrusions requires the
circulation of large volumes of fluids within permeable structures. Half of the world's tungsten …

Seismo-hydro-mechanical modelling of the seismic cycle: Methodology and implications for subduction zone seismicity

C Petrini, T Gerya, V Yarushina, Y van Dinther… - Tectonophysics, 2020 - Elsevier
Slip accommodation in subduction zones ranges from aseismic slip phenomena to regular
megathrust earthquakes, and strongly depends on pore fluid pressure. We develop a new …

Dynamic permeability related to greisenization reactions in Sn‐W ore deposits: Quantitative petrophysical and experimental evidence

G Launay, S Sizaret, L Guillou-Frottier… - …, 2019 - Wiley Online Library
Massive greisens are commonly associated with Sn‐W mineralization and constitute low‐
grade high‐tonnage deposits. The formation of this type of deposit results from an intense …

[HTML][HTML] On the morphology and amplitude of 2D and 3D thermal anomalies induced by buoyancy-driven flow within and around fault zones

L Guillou-Frottier, H Duwiquet, G Launay, A Taillefer… - Solid Earth, 2020 - se.copernicus.org
In the first kilometers of the subsurface, temperature anomalies due to heat conduction
processes rarely exceed 20–30∘ C. When fault zones are sufficiently permeable, fluid flow …

Permeability evolution in variably glassy basaltic andesites measured under magmatic conditions

ARL Kushnir, C Martel, R Champallier… - Geophysical …, 2017 - Wiley Online Library
Heat from inflowing magma may act to seal permeable networks that assist passive
outgassing at volcanic conduit margins and in overlying domes, reducing the efficiency of …

[HTML][HTML] Influence of in-situ temperatures and pressures on the permeability of hydrothermally altered basalts in the oceanic crust

AC Brett-Adams, LW Diamond, C Petrini, C Madonna - Tectonophysics, 2021 - Elsevier
Hydrothermal circulation through oceanic crust, and all the transfers of mass and heat
caused by this circulation, are controlled by the evolving permeability of the altered basaltic …

Formation of synthetic structures and textures of rocks when simulating in COMSOL Multiphysics

AS Voznesensky, LK Kidima-Mbombi - Gornye nauki i tekhnologii …, 2021 - mst.misis.ru
Rock texture and structure play an important role in the formation of the rock physical
properties, and also carry information about their genesis. The paper deals with the …

Rock‐Matrix Porosity and Permeability of the Hydrothermally Altered, Upper Oceanic Crust, Oman Ophiolite

AC Brett‐Adams, LW Diamond… - … Research: Solid Earth, 2023 - Wiley Online Library
Porosity and permeability are key controls on hydrothermal circulation and alteration in
magmatically heated upper oceanic crust. However, the hydraulic properties of basalts …

Inversion in the permeability evolution of deforming Westerly granite near the brittle–ductile transition

C Petrini, C Madonna, T Gerya - Scientific Reports, 2021 - nature.com
Fluid flow through crustal rocks is controlled by permeability. Underground fluid flow is
crucial in many geotechnical endeavors, such as CO2 sequestration, geothermal energy …

[PDF][PDF] Формирование синтетических структур и текстур горных пород при их моделировании в среде COMSOL Multiphysics

АС Вознесенский… - Горные науки и …, 2021 - scholar.archive.org
Аннотация Текстура и структура горных пород играют существенную роль в
формировании их физических свойств, а также несут информацию о генезисе. В …