Computer Science
Scientific paper
Jun 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982geokh......784k&link_type=abstract
Geokhimiia, June 1982, p. 784-796. In Russian.
Computer Science
Chondrites, Meteoritic Composition, Microcrystals, Particle Tracks, Solar Cosmic Rays, Chondrule, Olivine, Pyroxenes, Relic Radiation
Scientific paper
Tracks formed by nuclei of the iron group of solar cosmic rays and observed after a corresponding chemical etching in microcrystals of olivine and pyroxene are studied. The microcrystals are constituents of the droplike and lithic chondrules in the brecciated chondrite Weston (H3, 5-7) of light-dark texture. Results obtained for 13 droplike chondrules and approximately 700 microcrystals from 18 lithic chondrules indicate that the relict irradiation of the original matter of the meteorite occurred at an early stage in the development of the solar system. The data do not, however, give a conclusive answer to the question of whether the original matter of the lithic chondrules was irradiated in space or in the regolith of bodies of asteroidal size. It is thought that the lithic chondrules were formed in processes analogous to those forming breccias but without appreciable heating of the original matter.
Genaeva L. I.
Kashkarov Leonid L.
Lavrykhina A. K.
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