The artificial Martian meteorite experiment STONE-1

Details The artificial Martian meteorite experiment STONE-1 The artificial Martian meteorite experiment STONE-1

Nov 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002esasp.518..155b&link_type=abstract

In: Proceedings of the First European Workshop on Exo-Astrobiology, 16 - 19 September 2002, Graz, Austria. Ed.: Huguette Lacoste

Biology

1

Mars: Meteorites, Laboratory Simulations

Scientific paper

The STONE-1 experiment, flown by ESA, was designed to test whether Martian sedimentary material could survive terrestrial atmospheric entry. A basalt, a sedimentary dolomite and artificial Martian regolith, were embedded into the ablative heat shield of the recoverable capsule of the Foton-12 spaceflight mission. The recovered samples have been analysed for their chemistry, mineralogy and isotopic compositions. Modifications due to atmospheric infall were tested by reference to the untreated samples. The dolomite sample was retrieved intact, although reduced to a depth of about 30% of its original thickness, suggesting that some Martian sediments could, in part, survive terrestrial atmospheric entry. A significant degree of isotopic exchange between silica and atmospheric oxygen during re-entry has been identified.

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