Other
Scientific paper
Feb 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986phys...33..180v&link_type=abstract
Physica Scripta (ISSN 0031-8949), vol. 33, no. 2, Feb. 1986, p. 180-186. Research supported by the Statens Naturvidenskabelige F
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18
Achondrites, Iron Oxides, Meteoritic Composition, Mossbauer Effect, Spectroscopy, Asteroids, Earth Mantle, Lunar Composition
Scientific paper
Moessbauer investigations of three meteorites of the type SNC-achondrites are reported. The results are compared with Moessbauer spectra of other meteorites, and selected terrestrial and lunar rocks. Through the oxidation state of iron in the pyroxenes and magnetic oxides studied, the work confirms that the mantle of the earth is highly oxidized compared with the mantle of asteroidal bodies and lunar basalts. The investigations show that at least one of the SNC meteorites (Nakhla) comes from a highly oxidized parent body, believed to be the planet Mars. Based on the results obtained, a somewhat general conclusion about the oxidation state of iron in planetary bodies is proposed.
Costa V. V. T.
Jensen H. G.
Knudsen Jens Martin
Olsen Martin
Vieira W. A. V.
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