An experimental evaluation of mineral-specific comminution

Details An experimental evaluation of mineral-specific comminution An experimental evaluation of mineral-specific comminution

Sep 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992metic..27..395c&link_type=abstract

Meteoritics (ISSN 0026-1114), vol. 27, no. 4, p. 395-403.

Computer Science

15

Feldspars, Mineralogy, Planetary Composition, Regolith, Grain Size, Hypervelocity Impact, Minerals, Rocks

Scientific paper

The comminution behavior of different mineral species subjected to incessant impact is investigated using targets consisting of 2-4-mm crystals of albite, augite, forsterite, of quartz, which were impacted at least 25 times at 1.4 km/sec by 3.18-mm stainless-steel spheres. Sieve analyses were performed after every five shots. It was found that the behaviors of the feldspar and quartz were virtually indistinguishable and that the olivine target produced the greatest proportion of fines. The pyroxene target was most resistant to comminution. The comminution was only mildly dependent on grain size.

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