Results 11 to 20 of about 924,508 (327)

Heat Flow and Near‐Seafloor Magnetic Anomalies Highlight Hydrothermal Circulation at Brothers Volcano Caldera, Southern Kermadec Arc, New Zealand

open access: yesGeophysical Research Letters, 2019
Brothers volcano is the most hydrothermally active volcano along the Kermadec arc, with distinct hydrothermal fields located on the caldera walls and on the postcollapse volcanic cones.
F. Caratori Tontini   +3 more
doaj   +2 more sources

Hydrothermal circulation cools continental crust under exhumation

open access: yesEarth and Planetary Science Letters, 2019
Abstract The formation of continental crust in magmatic arcs involves cooling of hot magmas to a relatively colder crust enhanced by exhumation and hydrothermal circulation in the upper crust. To quantify the influence of these processes on the thermal and rheological states of the crust, we developed a one-dimensional thermal evolution model, which ...
W. Cao   +3 more
semanticscholar   +2 more sources

Hydrothermal circulation and the thermal structure of shallow subduction zones [PDF]

open access: yesGeosphere, 2017
Hydrothermal circulation within oceanic basement can have a profound influence on temperatures in the upper crust, including those close to the subduction thrust and in the overlying plate.
R. Harris, G. Spinelli, A. Fisher
semanticscholar   +2 more sources

Two-dimensional THM modelling of the large scale natural hydrothermal circulation at Soultz-sous-Forêts [PDF]

open access: goldGeothermal Energy, 2014
BackgroundA two-dimensional numerical model is developed for the Soultz-sous-Forêts reservoir from an idealized cross-section containing six homogeneous horizontal layers.
Vincent Magnenet   +3 more
openalex   +2 more sources

Spatio-Temporal Relationships between Fumarolic Activity, Hydrothermal Fluid Circulation and Geophysical Signals at an Arc Volcano in Degassing Unrest: La Soufrière of Guadeloupe (French West Indies) [PDF]

open access: goldGéosciences, 2019
: Over the past two decades, La Soufrière volcano in Guadeloupe has displayed a growing degassing unrest whose actual source mechanism still remains unclear.
Giancarlo Tamburello   +16 more
openalex   +2 more sources

3D ultra-high resolution seismic imaging of shallow Solfatara crater in Campi Flegrei (Italy): New insights on deep hydrothermal fluid circulation processes

open access: goldScientific Reports, 2017
Seismic tomography can be used to image the spatial variation of rock properties within complex geological media such as volcanoes. Solfatara is a volcano located within the Campi Flegrei, a still active caldera, so it is of major importance to ...
Grazia De Landro   +8 more
openalex   +2 more sources

Numerical computation of hydrothermal fluid circulation in fractured Earth structures [PDF]

open access: bronzeGeophysical Journal International, 1998
Summary Hydrothermal fluid circulation through porous Earth materials is an important physical phenomenon occurring in both submarine and continental environments. Irregularly interconnected discrete fractures are pervasive in nearly all Earth materials, providing preferential paths for fluid flow and controlling the circulating fluid patterns. Most
Jianwen Yang   +2 more
openalex   +2 more sources

New Insights into Hydrothermal Fluid Circulation Affected by Regional Groundwater Flow in the Asal Rift, Republic of Djibouti

open access: greenEnergies, 2021
The Asal Rift hosts a lake located in a depression at 150 m below sea level, where recharge is influenced by regional groundwater flow interacting with the Ghoubbet Sea along the coast of Djibouti.
Abdek Hassan Aden   +3 more
doaj   +3 more sources

Origin and evolution of fluids and heatflow in geothermal systems of Indus River Basin (IRB), India [PDF]

open access: yesScientific Reports
The Himalayan–Tibetan Orogeny, driven by the convergence of the Indian and Eurasian plates, has resulted in significant crustal thickening, intense deformation and widespread magmatism.
Gh. Jeelani   +4 more
doaj   +2 more sources

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