Fault-controlled deep hydrothermal flow in a back-arc tectonic setting, SE Tyrrhenian Sea.

ABSTRACT: Understanding magmatic systems and deep hydrothermal circulation beneath arc-volcanoes provides insights into deep processes associated with slab-subduction and mantle-wedge partial melting. Here we analyze hydrothermal flow below a structural high (Capo Vaticano Ridge, CVR) located offshore Capo Vaticano (western Calabria) and affected by magmatic intrusions generated from above the Ionian subducting-slab. In order to explain observations, we combine geophysical and numerical modelling results. Fluid-flow modelling shows that temperature distribution and geothermal gradient are controlled mainly by hydrothermal circulation, in turn affected by heat source, fault pattern, rock permeability, basement topography and sediment thickness. Two main faults, shaping the structural high and fractur

SUBMITTER: Loreto MF 

PROVIDER: S-EPMC6881442 | biostudies-literature | 2019 Nov

REPOSITORIES: biostudies-literature