Computer Science
Scientific paper
Sep 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983metic..18..171m&link_type=abstract
Meteoritics (ISSN 0026-1114), vol. 18, Sept. 30, 1983, p. 171-178. Research supported by the Natural Sciences and Engineering Re
Computer Science
Metal Particles, Meteoritic Composition, Sulfur Isotopes, Abrasion, Dust, Spheroids
Scientific paper
Nininger (1956) has discovered metallic spheroids in the soil surrounding Meteor Crater in Arizona. Nininger suggested that the spheroids condensed from the center of a homogeneous explosion-produced metallic vapor cloud. The present investigation is concerned with measurements of sulfur contents and delta S-34 values of metallic spheroids from the vicinity of Meteor Crater. It is found that the small metallic spheroids have lower sulfur contents and higher delta S-34 values than do the large spheroids. It is concluded that the observed isotopic patterns are unlikely to have arisen during desulfurization of the metallic liquid from which the spheroids were formed or during high temperature oxidation or the spheroids. The most likely process for the production of the observed delta S-34 values and sulfur contents is low temperature oxidation reactions experienced by the spheroids during their surface exposure following formation.
McEwing C. E.
Rees C. E.
Thode H. G.
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