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一、引言 山西北部一带古老地层中花岗伟晶岩虽然分布的范围比较广泛,但是以前并没有引起注意,近一两年来在个别地点发现了零星的绿柱石,但也还没有进行详细工作。195年9月笔者得到机会在山西北部某地在一个2十方公里的范围内进行短期的观察,除了原来已经知道的绿柱石而外,先后发现了七种稀有元素矿物,同年在中国科学研究院地质研究所经郭承基先生的指导并得到该所矿物室的大力支持和协助进行了室内研究工作,特此致谢。
I. INTRODUCTION The granitic pegmatites in the ancient formations in the northern part of Shanxi Province have a wide range of distribution but have not been previously noticed. Sporadic beryl was found in some places in the past year or two, but detailed work has not yet been done. In September 195, the author got the opportunity to do some short-term observations within a 2-km range in a place in northern Shanxi. Apart from the previously known beryl, seven rare-element minerals were successively discovered. In the same year, The Institute of Geology Institute, thanks to Mr. Guo Chengji’s guidance and the strong support and assistance of the institute’s mineral house, conducted his in-house research work.