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我国花岗石材矿床地质工作开展不久,地质研究程度较差,目前尚无从石材角度进行分类。作者在编制花岗石石材《矿产资源战略分析》过程中,根据全国调查资料,进行归纳综合分析,现将优质(高档)花岗石材从产出时代、岩性、颜色等主要方面划分五大类:①变质岩系中红色高档花岗石石材矿;②酸性中酸性侵入岩中红色高档花岗石石材矿;③酸性碱性侵入岩中蓝色绿色高档花岗石石材矿;④火山岩类中红色高档花岗石石材矿;⑤基性超基性岩类中黑色高档花岗石石材矿。在此基础上,提出优质(高档)花岗石的找矿方向,按红色系列、黑色系列、蓝绿色系列分别叙述。
Geological work of granite stone deposits in China shortly after the geological research to a lesser extent, there is no classification from the stone point of view. Based on the national survey data, the author summarized the comprehensive analysis of the granite stone “Mineral Resources Strategy Analysis”, and divided the high-quality (high-grade) granite stone into five major categories from the output age, lithology and color : ① metamorphic rocks in the red high-grade granite stone; ② acidic acidic intrusive rocks in the red high-grade granite stone; ③ acidic alkaline intrusive rock blue-green high-grade granite stone; ④ volcanic rocks Red high-grade granite stone mines; ⑤ basic ultrabasic rocks in the black high-grade granite stone mines. On this basis, proposed high-quality (high-grade) granite prospecting direction, according to the red series, black series, cyan series were described.