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.Both the well - preserved greenstone belt and TTG - reworked granite - greenstone belt are favorable...

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.Evidence from isotopic dating suggests that ...

n.绿岩，绿玉，软玉...

greenstone的音标：greenstone的英式发音音标为：['gri:nstəʊn]greenstone的美式发音音标为：['grinˌstoʊn]...