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1·Quartz is gangue mineral widespread in all types of gold deposits in Guidong Area and is an important rock-forming mineral and gold-carrier mineral as well.

石英是桂东地区各类金矿床中普遍出现的脉石矿物，同时也是重要的造岩矿物和金的载体。

2·The mineral composition is simple, only with original metallic minerals antimonite and pyrite, gangue minerals quartz, calcite and a few barites, all in the fissure or hole of the rock.

矿物成分简单，原生金属矿物只有辉锑矿和黄铁矿，脉石矿物有石英、方解石及少量重晶石，它们均充填在岩石的缝洞中。

3·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。

4·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。

5·Iron minerals in an iron ore of Shanxi are mainly limonite and hematite, and gangue minerals are mainly bauxite, kaolinite, mica, phosphate rock and so on.

山西某铁矿主要铁矿物为褐铁矿和赤铁矿，脉石矿物主要为铝土矿、高岭石、云母、胶磷矿等。

6·The machine applies to pages of rock, coal gangue, fly ash as raw materials to produce high holes rate of hollow bricks.

适用于以页岩石、煤矸石、粉煤灰为原料生产、砌块砖、矩形砖、高孔洞率空心砖。