The state of iron ions as an indicator of conditions for the formation of tektites-irgizites

Details The state of iron ions as an indicator of conditions for the formation of tektites-irgizites The state of iron ions as an indicator of conditions for the formation of tektites-irgizites

Sep 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977avest..11..179g&link_type=abstract

Astronomicheskii Vestnik, vol. 11, July-Sept. 1977, p. 179-185. In Russian.

Astronomy and Astrophysics

Astronomy

Iron 57, Metal Ions, Meteoritic Composition, Tektites, Gamma Rays, Meteorite Craters, Microstructure, Mossbauer Effect, Spectroscopic Analysis, Valence

Scientific paper

A method of gamma-resonance spectroscopy on Fe-57 nuclei is used to study the valence and structural state of iron ions in impactites-zhamanshinites and tektites-irgizites from the Zhamanshin meteor crater. It is established that iron is found only in oxide form in irgizites. The energy characteristics of the spectra of Fe (2+) ions show an absence of long-range order in the structure which is apparently caused by the tempering of irgizites at high temperatures during the explosion caused by the fall of a meteorite.

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