Hydrothermal fluid circulations in the western Pyrenees: new data on stable isotopes, in-situ gas analysis and fluid inclusions

Hydrothermal fluid circulations in the western Pyrenees: new data on stable isotopes, in-situ gas analysis and fluid inclusions

Several fluid circulation events are recorded in the Aquitaine Basin and the Chaînons Béarnais in the Pyrenean belt of southwestern France. Different fluid types are found in all locations studied. The main difference comes from the thermal peak event (rifting), which was more intense in the Chaînon...

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Main Authors: Barré Guillaume, Elias-Bahnan Alexy, Motte Geoffrey, Ducoux Maxime, Hoareau Guilhem, Laurent Dimitri, Gaucher Eric C.
Format: Article
Language:English
Published: EDP Sciences 2019-01-01
Series:E3S Web of Conferences
Online Access:https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/24/e3sconf_wri-162018_01001.pdf
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spelling doaj-d35bd72ef52d4e6d9a7b5e681f35c1f82021-03-02T10:12:57ZengEDP SciencesE3S Web of Conferences2267-12422019-01-01980100110.1051/e3sconf/20199801001e3sconf_wri-162018_01001Hydrothermal fluid circulations in the western Pyrenees: new data on stable isotopes, in-situ gas analysis and fluid inclusionsBarré GuillaumeElias-Bahnan Alexy0Motte Geoffrey1Ducoux MaximeHoareau Guilhem2Laurent Dimitri3Gaucher Eric C.4CREGU, Université de Lorraine, CNRS, GeoRessourcesCNRS/TOTAL/Univ. Pau & Pays Adour/ E2S UPPA, Laboratoire des Fluides Complexes et leurs Réservoirs‐IPRACNRS/TOTAL/Univ. Pau & Pays Adour/ E2S UPPA, Laboratoire des Fluides Complexes et leurs Réservoirs‐IPRACREGU, Université de Lorraine, CNRS, GeoRessourcesTOTAL, CSTJFSeveral fluid circulation events are recorded in the Aquitaine Basin and the Chaînons Béarnais in the Pyrenean belt of southwestern France. Different fluid types are found in all locations studied. The main difference comes from the thermal peak event (rifting), which was more intense in the Chaînons Béarnais close to the exhumed mantle zone. In situ gas analysis associated of fluid inclusions and isotopic (C, O, H, S) analyses show that similar fluids are generated in both systems, although separated by deep structures, e.g. the North Pyrenean Frontal Thrust (NPFT). The Pyrenean tectonic history leads to the compartmentalization of fluid circulations.https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/24/e3sconf_wri-162018_01001.pdf
collection DOAJ
language English
format Article
sources DOAJ
author Barré Guillaume
Elias-Bahnan Alexy
Motte Geoffrey
Ducoux Maxime
Hoareau Guilhem
Laurent Dimitri
Gaucher Eric C.
spellingShingle Barré Guillaume
Elias-Bahnan Alexy
Motte Geoffrey
Ducoux Maxime
Hoareau Guilhem
Laurent Dimitri
Gaucher Eric C.
Hydrothermal fluid circulations in the western Pyrenees: new data on stable isotopes, in-situ gas analysis and fluid inclusions
E3S Web of Conferences
author_facet Barré Guillaume
Elias-Bahnan Alexy
Motte Geoffrey
Ducoux Maxime
Hoareau Guilhem
Laurent Dimitri
Gaucher Eric C.
author_sort Barré Guillaume
title Hydrothermal fluid circulations in the western Pyrenees: new data on stable isotopes, in-situ gas analysis and fluid inclusions
title_short Hydrothermal fluid circulations in the western Pyrenees: new data on stable isotopes, in-situ gas analysis and fluid inclusions
title_full Hydrothermal fluid circulations in the western Pyrenees: new data on stable isotopes, in-situ gas analysis and fluid inclusions
title_fullStr Hydrothermal fluid circulations in the western Pyrenees: new data on stable isotopes, in-situ gas analysis and fluid inclusions
title_full_unstemmed Hydrothermal fluid circulations in the western Pyrenees: new data on stable isotopes, in-situ gas analysis and fluid inclusions
title_sort hydrothermal fluid circulations in the western pyrenees: new data on stable isotopes, in-situ gas analysis and fluid inclusions
publisher EDP Sciences
series E3S Web of Conferences
issn 2267-1242
publishDate 2019-01-01
description Several fluid circulation events are recorded in the Aquitaine Basin and the Chaînons Béarnais in the Pyrenean belt of southwestern France. Different fluid types are found in all locations studied. The main difference comes from the thermal peak event (rifting), which was more intense in the Chaînons Béarnais close to the exhumed mantle zone. In situ gas analysis associated of fluid inclusions and isotopic (C, O, H, S) analyses show that similar fluids are generated in both systems, although separated by deep structures, e.g. the North Pyrenean Frontal Thrust (NPFT). The Pyrenean tectonic history leads to the compartmentalization of fluid circulations.
url https://www.e3s-conferences.org/articles/e3sconf/pdf/2019/24/e3sconf_wri-162018_01001.pdf
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