The El'gygytgyn meteorite - Probable composition

Details The El'gygytgyn meteorite - Probable composition The El'gygytgyn meteorite - Probable composition

Feb 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pazh....8..115v&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 8, Feb. 1982, p. 115-120.) Soviet Astronomy Letters, vol. 8, Jan.-Feb. 1982, p. 59-62.

Astronomy and Astrophysics

Astronomy

4

Abundance, Glass, Metals, Meteoritic Composition, Chromium, Cobalt, Impact Melts, Neutron Activation Analysis, Nickel, Siberia

Scientific paper

The present investigation is concerned with the geologically young (4,000,000 yr) El'gygytgyn meteorite crater in Siberia. The crater was formed in acidic effusives of Upper Cretaceous age (approximately 90 million yr) whose subsequent development involved Paleocene (approximately 40 million yr) andesite-basalts and veined quartz diorites. Silicate analyses were performed of 17 samples of rocks enclosing the crater. Fifteen of these samples were classified as acidic Upper Cretaceous effusives. The obtained data regarding the mean chemical composition (percentage by weight) of target rocks and impactites in the meteorite crater are presented in a table. Another table lists data regarding the abundance of impurity elements in impactites and in rocks enclosing the crater.

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