gangue rock

基本解释

Often the process of general mining and coal washing plant from the production process of waste rock called gangue.
一般常将采煤过程和洗煤厂生产过程中排出的矸石叫煤矸石。
130t.com
This paper analyses concretely the waste mining rock, coal gangue and tailings, thus it can draw a conclusion that its potential is huge.
通过对采矿废石、煤矸石及选矿尾矿等的具体分析，可以肯定二次资源综合利用潜力是巨大的。
The compression value and the equivalent mining height for different compactness is obtained based on compaction principle of gangue backfills and rock mechanics.
根据充填体的压实原理、岩层力学及相关理论，推导了不同矸石充填体压实度所对应的压缩值及等价采高的解析式；
lxsj.cstam.org.cn