“加里东”用英语怎么说？

加里东期~印支期区域变质作用与成矿密切相关.The metallogenesis is close related with the Caledonian - Indosinian regional metamorphism.山体岩石为加里东期花岗岩和大理石,距今4——6亿年.Rock Hill Caledonian granite and marble ago 4 - 6 billion years.该区金直接来源于加里东和华力西花岗...