Project description
Earth's volatile origin revealed through krypton and xenon isotope analyses
The composition of the heavy noble gases krypton (Kr) and xenon (Xe) in the Earth's mantle is poorly understood; hence, Earth's volatile history remains largely unknown. The EU-funded VolatileOrigin project will precisely measure the Kr and Xe isotopes in mantle-derived samples, including mid-ocean ridge basalts and diamonds, and in different types of meteorites. By determining the compositions of mid-ocean ridge and diamond samples, researchers will be able to characterise the extent of mantle Kr and Xe heterogeneities, introduced through progressive atmospheric noble gas recycling via subduction, and thus identify the source(s) of these volatiles in the mantle. Precise bulk meteorite data for the non-radiogenic Kr and Xe isotopes will increase understanding of the measured mantle compositions and fingerprint the volatile sources.
Objective
The presence of volatile elements such as carbon, nitrogen, water, noble gases, on terrestrial planets is a requirement for planet habitability, yet their origin is still highly debated. Noble gases are invaluable tracers of volatile sources due to their inertness, in particular their non-radiogenic isotopes have kept remnant signatures of planetary accretion. Krypton and xenon are mighty tools to distinguish between chondritic and solar volatile sources due to the distinct isotopic compositions of these end-members. However, the heavy noble gas (Kr, Xe) compositions of the Earth’s mantle is poorly determined. Hence, the Earth’s mantle volatile history remains largely unknown. The objectives of this project are to precisely measure the non-radiogenic Kr and Xe isotopes in mantle-derived samples, including mid-ocean ridge basalts and diamonds, and in meteorites of different types in order to better understand Earth’s volatile origin. Determining the compositions of mid-ocean ridge and diamond samples will allow to characterize the extent of mantle Kr and Xe heterogeneities, introduced through progressive atmospheric noble gas recycling via subduction, and, hence to identify the source(s) of these volatiles in the mantle. Precise bulk meteorite data for the non-radiogenic Kr and Xe isotopes are incomplete and will be crucial in our understanding of the measured mantle compositions to fingerprint the volatile sources. This project will use a novel protocol for the specific measurements of these isotopes in mantle-derived samples associated with noble gas mass spectrometry. The MSCA fellowship represents a unique opportunity for me to learn new analytical skills in cosmochemistry, to improve my soft skills and to secure my fruitful reintegration in Europe. I will transfer to the host lab my expertise of mantle geochemistry. On the whole, this project will strengthen my scientific independence, taking me closer to achieve an outstanding academic position in Europe.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- natural sciences chemical sciences inorganic chemistry noble gases
- natural sciences physical sciences astronomy planetary sciences meteorites
- natural sciences physical sciences astronomy planetary sciences planets
- natural sciences earth and related environmental sciences geochemistry cosmochemistry
- natural sciences chemical sciences analytical chemistry mass spectrometry
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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Topic(s)
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2020
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Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.
8092 Zuerich
Switzerland
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.