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Water Storage in Hydrous Minerals in the Shallow Martian Mantle

Water Storage in Hydrous Minerals in the Shallow Martian Mantle

This is a Preprint and has not been peer reviewed. This is version 1 of this Preprint.

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Authors

Vincent Clesi , Rajdeep Dasgupta

Abstract

In this paper we investigate the possibility of storing water in the shallow martian mantle under water-saturated fluid absent conditions for different bulk silicate mars (BSM) compositions. We performed phase equilibria experiments on two BSM compositions with comparable Mg number for pressure between 2 and 4 GPa, temperatures between 950 to 1150°C, and for a water content of 0.3 % wt. The amphibole stability fields derived from both compositions are consistent with previous results obtained for Earth-like composition: (i) the water-saturated fluid-absent conditions expand the stability field towards higher pressures and temperature compared...  more

DOI

https://doi.org/10.31223/X5WT61

Subjects

Earth Sciences, Geochemistry, Geology, Planetary Geochemistry

Keywords

Mars, Martian water, Martian mantle, Amphiboles, Experimental Petrology, High pressure, high temperature, petrology

Dates

Published: 2025-01-06 08:58

Last Updated: 2025-01-06 16:58

License

CC-BY Attribution-NonCommercial-ShareAlike 4.0 International

Additional Metadata

Conflict of interest statement:
The authors indicate no conflict of interest

Data Availability (Reason not available):
All the data is available in the preprint