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GOforISOBIF SIGNED

Probing the Geochemistry of the First Oceans with Novel ISOtope Proxies in Banded Iron Formations (BIFs): New Perspectives into Early Continental Weathering, Ocean Oxygenation and Mantle Geodynamics

Total Cost €

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EC-Contrib. €

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Project "GOforISOBIF" data sheet

The following table provides information about the project.

Coordinator
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS 

Organization address
address: RUE MICHEL ANGE 3
city: PARIS
postcode: 75794
website: www.cnrs.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]
 Total cost 1˙293˙750 €
 EC max contribution 1˙293˙750 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2019-STG
 Funding Scheme ERC-STG
 Starting year 2020
 Duration (year-month-day) from 2020-03-01   to  2025-02-28

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS FR (PARIS) coordinator 1˙293˙750.00

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 Project objective

Since the beginning of Earth’s history, the oceans acted as an interface between the atmosphere, the continents, and the mantle via atmospheric exchange, weathering, sedimentation, and submarine volcanism. Such interactions make the composition of early seawater a unique recorder of the processes that have affected the Earth’s major reservoirs. Yet, this record has not been explored in details. Here, I propose to investigate the geochemistry of the first oceans that is recorded in Precambrian banded iron formations (BIFs) to address first-order questions related to the early evolution of our planet. The proposed project combines well-established radiogenic isotopic systems with novel and highly promising stable isotope tracers that will be developed as part of the project. These geochemical proxies will be measured on a unique collection of BIF samples deposited from ~3.8 to 0.7 Ga ago with the following objectives: (1) determine the origin, composition, and size of the first continents, (2) detect whiffs of oxygen in the early oceans in various depositional settings before and after the Great Oxidation Event (GOE), (3) identify the periods of intense hydrothermal activity through Earth’s history and link them to global mantle geodynamics. The proposed project will promote the application of state-of-the-art isotopic measurements, with an emphasis on further methodological development to set-up new isotope proxies. This innovative approach is needed to test previously suggested hypotheses, develop new ideas, and to tackle the challenging questions of the early Earth evolution from a different angle.

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The information about "GOFORISOBIF" are provided by the European Opendata Portal: CORDIS opendata.

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