Four alluvial deposits distributing along Yuanjiang river and the diamondiferous rocks that supply diamonds to these placer deposits have striking properties of varied sources and multi-phases.
水流域分布4个金刚
砂矿床,供给金刚
砂矿的含金刚
岩体具多期多
特点。
Four alluvial deposits distributing along Yuanjiang river and the diamondiferous rocks that supply diamonds to these placer deposits have striking properties of varied sources and multi-phases.
水流域分布4个金刚
砂矿床,供给金刚
砂矿的含金刚
岩体具多期多
特点。
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