排序方式: 共有16条查询结果,搜索用时 0 毫秒
11.
12.
Based on gold analyses of 213 samples of the Shuangqiaoshan Group in an area of 225km^2 with the Yinshan polymetallic ore district as the center, a depleted zone of gold is recognized around the ore district, suggesting that the Shuangqiaoshan Group may be a source bed for gold .Discus-sions were given concerning the alteration-mineralization features of the Yinshan deposit, the ore-controlling mechanism of the NE-trending fault zone and promising targets for further ore pros-pecting. 相似文献
13.
14.
15.
前人工作概述溧水盆地是长江中下游断裂拗陷带中许多继承性火山岩盆地之一,中生代陆相火山岩系广泛分布,其出露面积约占全部出露地层的一半左右,在本区地质发展史上占有重要的地位;它们与本区锶、铁、铜、金及膨润土等矿产的形成也有十分密切的关系。 相似文献
16.