Rapid accumulation of anhydrite by the blowing of wind to form thick and large ore body played a certain role.

风的吹拂作用对硬石膏快速堆积厚大矿体起了一定作用。

youdao

The super - large ore deposit is several times larger than the large one in reserves and commonly characterized by multiple kinds of minerals and point - type distribution.

超大型矿床的储量若干倍于大型矿床，并常常具有多矿种及“点型”分布的特点。

youdao

The formation of large ore concentated are results from the anomalous concentration of multi mineral resources and large amount of ore materials during the process of geologic evolution history.

大型矿集区的形成，是在地质历史演化进程中，多矿种大矿量超常聚集的结果。

youdao

And tailings are produced in large quantities: on average, 991 tonnes-worth for every 1, 000 tonnes of ore that is mined.

ECONOMIST: Mine pollution