Computer Science
Scientific paper
Mar 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997lpi....28.1071p&link_type=abstract
Conference Paper, 28th Annual Lunar and Planetary Science Conference, p. 071.
Computer Science
7
Chondrule, Solar Corona, Meteoritic Composition, Allende Meteorite, Chondrites, Particle Size Distribution, Turbulence Effects, Density Distribution, Rims
Scientific paper
We have examined separated chondrules from two CV3 chondrites (Allende and ALH 84028) and one L4 ordinary chondrite (ALH 85033). The radius-density distribution from all of the studied meteorites fits closely to the theoretical prediction. Rim volumes were calculated for a suite of chondrules disaggregated from Allende, and are approximately equal to the volume of the underlying chondrule. It has been proposed that nebula wide turbulence concentrates chondrules and similar sized fragments by large factors into many small, dense, transient zones throughout the vertical extent of the nebula. The validity of this process can be assessed by direct measurements on separated chondrules from meteorites. This concentration process is highly size-selective and related to the aerodynamic stopping time of the particles. Turbulence selects particles with a specific stopping time for significant (orders of magnitude) concentration in a gas-dominated nebula.
Cuzzi Jeff N.
Paque Julie M.
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