When was the Individual Stannary Developed at the Earliest?
个旧锡
何时最早开采的?
When was the Individual Stannary Developed at the Earliest?
个旧锡何时最早开采的?
The Da'ao greisen-type W-Sn deposit is located in the Jiuyishan multiple granitic body.
大坳云英岩蚀变体型钨锡产于九嶷
花岗杂岩体中。
Silicify or silicified rock is one more efficacious sign for exploring mine in Xikuangshan antimony deposit.
硅化/硅化岩石锡锑的一种很有效的
志。
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