tin-polymetallic ore deposit 锡多金属矿床
Dachang tin-polymetallic ore deposit 大厂锡多金属矿
tin or wolfram ore deposit 锡钨矿床
There should be direct relation between tin ore deposit and granite.
锡矿床的形成通常与花岗岩有直接的关系。
By means of consulting much information, this paper proves that there is a close relation between tin ore deposit and ferromagnesian rock.
文章通过查阅大量国内外有关资料，证实了基性超基性岩与锡矿床的形成有密切的关系。
It has long been considered that because tin is a characteristic element of the crust, there should be direct relation between tin ore deposit and granite.
长期以来，人们一直认为锡是地壳的特征元素，锡矿床的形成通常与花岗岩有直接的关系。
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