桂东侏罗煤系伴生矿产成矿规律分析及找矿方向

Jurassic Coal Measures Associated Mineral Ore-forming Pattern Analysis and Prospecting Orientation in Eastern Guangxi

广西的铝矿、锡矿、锰矿、稀土等矿产资源居全国前茅。广西位于钦杭成矿带尾端、南岭成矿带西端,具有非常有利的成矿条件。构造活动造就了很多的向斜盆地与背斜天穹等富矿地段。近几年随着地质找矿工作的深入,很多以前工作中忽略伴生的"三稀"矿种的稀有、稀散等矿种陆续被发现,局部富集地带已达评价利用要求。桂东北的秀林向斜盆地的侏罗煤系就是一个富含煤系伴生矿种的富矿层位,侏罗系在构造的活动作用下富含多种伴生的稀有、稀散等金属矿产,其伴生矿产局部富集达可综合利用的价值。本文对侏罗煤系的伴生矿产的成矿规律分析,为稀有、稀散等伴生金属矿的找矿方向提供参考。

Guangxi is nationally known as a land of metal minerals,in which,aluminum,tin,manganese and rare earth mineral resources are among the best in the country.Guangxi is situated at the back end of the Qinzhou Bay-Hangzhou Bay metallogenic belt,west end of the Nanling metallogenic belt,with a very favorable metallogenic condition.Tectonic actives have brought up many synclinal basins and anticlinal vaults ore rich areas.In recent years in pace with geological prospecting deep-going,many neglected“three rare”(rare,rare earth and dispersal)mineral ores have been found,local enriched zones have reached assessment and utilization requirements.The Jurassic coal measures in the Xiulin synclinal basin,northeastern Guangxi is an associated ores rich high-grade ore horizon.Under the tectonic actions,Jurassic System is rich in many associated rare,dispersal metal minerals;locally enriched associated minerals have value of comprehensive utilization.The Jurassic coal measures associated mineral metallogenic pattern analysis in the paper has provided reference for rare,dispersal associated metal ore prospecting orientation.