Preatmospheric mass distributions of Antarctic and non-Antarctic meteorites

Details Preatmospheric mass distributions of Antarctic and non-Antarctic meteorites Preatmospheric mass distributions of Antarctic and non-Antarctic meteorites

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994avest..28...48a&link_type=abstract

Astronomicheskij Vestnik (ISSN 0320-930X), vol. 28, no. 1, p. 48-54

Astronomy and Astrophysics

Astronomy

Antarctic Regions, Chondrites, Comparison, Mass Distribution, Temperate Regions, Data Reduction, Meteoritic Composition, Neon Isotopes, Weathering

Scientific paper

Mass distributions of the Antarctic and non-Antarctic ordinary chondrites (H, L and LL) are compared. Mass average values of non-Antarctic falls and finds are about 100 times that of Antarctic finds. This contrast may result from different conditions of existence and weathering of these two meteorite populations on the Earth surface. Comparison of the distributions of cosmogenic isotopes ratios of (Ne-22/Ne-21) allow conclusions to be drawn about possible similarities between preatmospheric mass distributions of Antarctic and non-Antarctic ordinary chondrites and about the possible identity of parent sources of ordinary chondrites falling on the Earth during the last 104 to 105 years.

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