quarternary volcanic ore deposit 第四纪火山矿床
volcanic ash deposit 火山灰堆积
volcanic gold deposit 火山岩型金矿
Volcanic event deposit 火山事件沉积
volcanic copper deposit 火山岩型铜矿
The mountain originated 120 million years ago whenunderground volcanic activity pushed a granite deposit to the earth'ssurface.
山体起源于12000万年前，当时，地下火山活动将花冈岩矿床推上地面。
The hongtaiping polymetallic deposit lies in the permian marine volcanic rocks palaeozoic geosyncline and the transitional belt of the clastic sedimentrary rocks in the yanbian area.
红太平多金属矿床产于延边古生代地槽区二叠系海相火山岩中及其与碎屑沉积岩的过渡带上。
The mineral can be found in hot spring deposit and as a volcanic sublimate product.
这种矿物可以在温泉的沈淀物中找到，它也是火山的升华产物。
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