greenstone meaning in English
【地质学；地理学】粗玄岩，绿岩，软玉。
Examples
- 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。 - Isle royal greenstone
罗亚尔岛 - 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。 - China is potential for gold mineral resources , especially for granite - greenstone hosted , meta - clastics - hosted , volcanics - subvolcanics - hosted gold deposit and sedimentary rock - hosted micro - disseminated gold deposits
中国金矿找矿前景可观，以产于花岗岩绿岩地体中的金矿、产于沉积岩中的微细浸染型金矿、产于变碎屑岩中的金矿和产于火山次火山岩中的金矿最具找矿潜力。 - There are two sets of elements geochemical anomalies : one extends nw , and is controlled by regional faults ; the other extends ne , and intersects with the former taking on " v " form , and is important to mineral exploration . 3 . almost all au deposits are situated in greenstone belt of tectonic sutures
元素地球化学场表现出两个方向的特点：一组异常呈北西向展布，受区域构造控制；另一组异常呈北东向展布，与北西向异常交叉呈“ v ”字形，具有重要找矿意义。