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BRISOACTIONS

To understand the redox variations and interactions between hydro-, bio- and atmosphere: the power of bromine stable isotopes.

Total Cost €

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EC-Contrib. €

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Partnership

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Project "BRISOACTIONS" data sheet

The following table provides information about the project.

Coordinator
INSTITUT DE PHYSIQUE DU GLOBE DE PARIS 

Organization address
address: RUE JUSSIEU 1
city: PARIS
postcode: 75238
website: http://www.ipgp.fr

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country France [FR]
 Project website http://www.eggenkamp.info/BRISOACTIONS/
 Total cost 185˙076 €
 EC max contribution 185˙076 € (100%)
 Programme 1. H2020-EU.1.3.2. (Nurturing excellence by means of cross-border and cross-sector mobility)
 Code Call H2020-MSCA-IF-2015
 Funding Scheme MSCA-IF-EF-CAR
 Starting year 2016
 Duration (year-month-day) from 2016-09-01   to  2018-08-31

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    INSTITUT DE PHYSIQUE DU GLOBE DE PARIS FR (PARIS) coordinator 185˙076.00

Map

 Project objective

The stable isotope geochemistry of chlorine (Cl) and bromine (Br) are considerably different. While most Cl isotope data are in the range from -1.21 to .40‰, Br isotope data are from -0.06 to 1.48‰. Interesting is that Br isotope variations are of the same magnitude as Cl isotope variations. Also Br isotope values of ancient evaporites are very positive (.6‰), impossible to explain from oceans with a modern isotope composition. These data are unexpected considering the small fractionation factors for Br compared to Cl. The research we propose aims at understanding these observations and developing halogen stable isotopes to study fluid transport processes in porous media. This research has a great potential to understand the history and the migration of fluids in deep porous reservoirs which are considered for geological storage of CO2, H2 and hydrocarbons. First we aim to study historical variations of Br isotope compositions in the earth's surface reservoirs. We will study Br isotope variations in ancient evaporites that reflect Br isotope ratios of the oceans at the moment they were deposited. Second to study the geochemical processes that affect Cl and Br isotope variations. Isotope fractionation during ion-filtration that has never been studied in detail. This process is important to understand subsurface fluid flow and fractionation of ions and isotopes during fluid transport. We aim at studying Cl and Br isotope variations during this process. Also redox processes have hardly been studied. Oxidation processes can increase Br isotopes values more than Cl in spite of Br's much smaller isotope fractionation factors. Third to understand our observations we will compare the data obtained during this study with the geochemical cycles of Cl and Br. This will allow us to develop future research to continue to improve our knowledge on Cl and Br isotope variations as proxies to understand chemical cycles on earth, especially in fluids in deep porous reservoirs.

 Publications

year authors and title journal last update
List of publications.
2018 H.G.M. Eggenkamp, P. Louvat
A simple distillation method to extract bromine from natural water and salt samples for isotope analysis by multi-collector inductively coupled plasma mass spectrometry
published pages: 612-618, ISSN: 0951-4198, DOI: 10.1002/rcm.8080
Rapid Communications in Mass Spectrometry 32/8 2019-07-26
2018 Alejandro Rodríguez, Manfred J. van Bergen, H.G.M. Eggenkamp
Experimental evaporation of hyperacid brines: Effects on chemical composition and chlorine isotope fractionation
published pages: 467-484, ISSN: 0016-7037, DOI: 10.1016/j.gca.2017.10.032
Geochimica et Cosmochimica Acta 222 2019-07-26
2017 Thomas Giunta, Jabrane Labidi, Hans G.M. Eggenkamp
Chlorine isotope fractionation between chloride (Cl − ) and dichlorine (Cl 2 )
published pages: 375-382, ISSN: 0016-7037, DOI: 10.1016/j.gca.2017.07.003
Geochimica et Cosmochimica Acta 213 2019-07-26
2019 H.G.M. Eggenkamp, P. Louvat, J. Griffioen, P. Agrinier
Chlorine and bromine isotope evolution within a fully developed Upper Permian natural salt sequence
published pages: 316-326, ISSN: 0016-7037, DOI: 10.1016/j.gca.2018.11.010
Geochimica et Cosmochimica Acta 245 2019-07-26

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