Sandstone Mining In China

20161122collapsing minerals crackling noise of sandstone and coal, and the predictability of mining accidentsk xiang jiang1,2, deyi jiang1, jie chen1, and ekhard k salje2, 1state key laboratory of coal mine disaster dynamics and control, chongqing university, chongqing 400044, peoples republic of china 2department of earth sciences, university of cambridge, downing street, cambridge cb2.

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