吉林省新生代玄武岩中红、蓝宝石矿找矿方向

通过收集前人资料和野外地质调查及地球化学分析,对中国东部发育红、蓝宝石矿的不同地区进行了对比研究,进而从寄主岩类型、寄主岩形成时代和火山机构四周发育的第四系沉积物特征角度,提出了吉林省应将伊舒带、敦密带、东宁—宽甸带作为首选的红、蓝宝石找矿方向。

Prospecting direction for ruby and sapphire from Cenozoic basalt in Jilin Province

Based on the regional geological investigation，geochemical analyses and data collection，the au- thors carried out comprehensive study for finding ruby and sapphire from Cenozoic basalt of in Jilin Province with those in the eastern China． The prospecting direction in Jilin Province have been suggested according to the rock type and the formation age of the host basalt，as well as the characteristics of the Quaternary sediments around the volcanic edifice． It is proposed that Yishu- ，Dunmi-and Dongning - - Kuandian fault zones should be preferred ruby and sapphire prospecting direction．