Abstract
The frictional properties of sandstone depend, in part, on the nature of the quartz gouge between the sliding surfaces. Gouge consisting of crushed quartz grains forms between sliding surfaces of fractured sandstone. Generally gouge is an unindurated but compacted aggregate of particles whose median diameter is about 25 μm,an order of magnitude less than the initial diameter of the sandstone quartz grains. In recent experiments on the frictional properties of quartz gouge between sandstone a 40 μm layer of indurated gouge has been generated at 1.0-kb normal stress. The purpose of this investigation is to characterize this unusually fine-grained indurated gouge and to suggest its influence on the frictional properties of sandstone.
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Schedule a callMore From: Proceedings, annual meeting, Electron Microscopy Society of America
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