Computer Science
Scientific paper
May 1978
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978e%26psl..39..371h&link_type=abstract
Earth and Planetary Science Letters, vol. 39, no. 3, May 1978, p. 371-376.
Computer Science
8
Chondrule, Mass Distribution, Particle Size Distribution, Weibull Density Functions, Chondrites, Meteoritic Composition
Scientific paper
It is demonstrated that the size data for 955 near-spherical chondrules extracted from 4 g of material disaggregated from the Bjurboele meteorite give only a partial fit to Rosin's law. However, a Weibull distribution is found to fit the data excellently. The main problem is shown to lie at the low size end of the chondrule distribution, since Rosin's law predicts that the mass percentage decreases asymptotically as the size nears zero, but the observations completely contradict that prediction. This is taken as an indication that near-spherical chondrules observed in ordinary chondrites have a minimum size which is nonzero. It is suggested that the Weibull distribution can be regarded as a Rosin distribution with the small particles missing or could be produced directly by some fragmentation-plus-condensation mechanism which results in an inherent minimum particle size in the end product.
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