Mathematics – Logic
Scientific paper
Oct 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984e%26psl..70..169z&link_type=abstract
Earth and Planetary Science Letters (ISSN 0012-821X), vol. 70, no. 2, Oct. 1984, p. 169-174. Research supported by the Center fo
Mathematics
Logic
2
Chondrites, Mechanical Properties, Meteoritic Composition, Meteoritic Microstructures, Elastic Properties, Porosity, Voids
Scientific paper
The microstructure and some physicomechanical properties of Beardsley and Faith, both H5 chondrites, were compared. Although the bulk sample porosities are respectively 9.1 percent and 14.5 percent, suggesting lower consolidation of Faith, the effective porosities are 5.63 percent and 1.79 percent, which are much higher for Beardsley. The material of Faith, characterized by vugs, vesicles and closed channels (abundant, but all sized below 0.01 microns) is of higher strength than that of Beardsley, where joints, fissures, open channels and microcracks are sized from 0.1 to 10 microns. The higher elastic properties of Faith are shown by the velocity of the compressional wave of 6.66 km/s against that of 5.12 km/s for Beardsley. An example of physical diversity among chondrites to the same chemical-petrologic type is therefore demonstrated.
Lang Benjamin
Zbik Marek
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