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The AAPG/Datapages Combined Publications Database
Journal of Sedimentary Research (SEPM)
Abstract
Polycrystallinity: Effect on the Durability of Detrital Quartz
James Harrell (2), Harvey Blatt (3)
ABSTRACT
Experimental studies using a tumbling barrel apparatus reveal the following sequence of mechanical durabilities for varieties of quartz: finely-polycrystalline quartz > coarsely-polycrystalline quartz > monocrystalline quartz. Published field studies indicate that monocrystalline quartz has a greater survival potential than polycrystalline quartz. This suggests that chemical stability is more important than inherent mechanical durability in determining the survival potential of detrital grains during their predepositional history.
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