The ore beds of the Houxianyu boron deposit in Liaoning province is widely altered with prominent alteration zonation.
辽宁后仙峪硼矿区,含矿层蚀变广泛而强烈,且具明显的分带性。
The genesis of the Baguamiao gold deposit is noticeable. The author suggests that the banded rocks in the ore beds are of hydrothermal origin.
八卦庙特大型金矿的成因引人注目,作者提出含矿地层中存在的一套条带状岩石属于热水沉积成因。
Marmatite is the guide mineral of the second ore type which appears in bedded, veined and irregular ore bodies near contact zone of magmatic rock or joint positions between faults and ore beds.
另一种以铁闪锌矿为标志,矿体呈似层状、脉状及不规则状等,靠近岩体接触带或断裂与赋矿层的交汇部位产出,代表了成矿第二世代。
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