Determining chondrule size distributions from thin-section measurements

Details Determining chondrule size distributions from thin-section measurements Determining chondrule size distributions from thin-section measurements

Mar 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996m%26ps...31..243e&link_type=abstract

Meteoritics and Planetary Science, Vol. 31, p. 243-248 (1996)

Mathematics

Probability

28

Scientific paper

A method is described for correcting thin-section-derived chondrule sizes for three common sources of bias: (1) the non-equatorial sectioning of chondrules, (2) the non-zero thickness of thin sections, and (3) the unequal probability of sectioning different size chondrules. Application of the correction procedure to chondrule data from CO chondrites results in a reduction of mean and median chondrule diameters, an increase in minimum diameters, and transforms nearly log-normal distributions to distributions that conform to a Weibull probability function. The Weibull-function form of CO chondrule size distributions is similar to the form of chondrule distributions in ordinary chondrites obtained by disaggregation analyses.

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