greenstone

The redelimited Jiapigou gold - concentrated area is composed of Archean granitoid - greenstone belts and high grade metamorphism areas.

重新界定的夹皮沟金矿集中区包括了太古宙花岗 - 绿岩带和高级变质区两个组成部分.

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Granite greenstone - hosted , meta - clastics - hosted , volcanics - subvolcanics hosted and sedimentary rock - hosted micro - disseminated gold deposits are of industrial value.

具有工业价值的金矿类型以花岗岩 - 绿岩型、变碎屑岩型 、 微细 浸染型 、 火山-次火山岩型为主.

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Evidence from isotopic dating suggests that the greenstone belts vary considerably in age.

来自同位素年龄鉴定的证据指出,绿岩带在年龄上彼此变化相当大.

辞典例句

Both the well - preserved greenstone belt and TTG - reworked granite - greenstone belt are favorable for gold deposit formation.

无论是保存相对完好的绿岩带还是被 TTG 改造后的花岗 — 绿岩带,均有利于金矿形成.

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In the world a lot of gold deposits occur in the early Precambrian greenstone belts.

早前寒武纪花岗岩—绿岩地体中赋存着丰富的金矿床.我国绿岩带主要分布在华北陆台,也是重要的含金岩系.

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It belongs to the ductile shear zone type of a gold deposit in the greenstone belt.

矿床受元古界基性、酸性双峰式火山岩层位及韧性剪切带双重控制,属绿岩带中的韧性剪切带型金矿床.

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Greenstone belt gold deposits are most important type of gold deposits in world and China.

绿岩带型金矿床是世界和我国重要的金矿床类型.

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