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山东玲珑矿田九曲矿段地质特征及找矿预测
Geology character and prospecting forecast in Jiuqu section of Linglong gold minefield,Shandong
【摘要】 玲珑金矿田九曲矿段属典型石英脉成矿,矿体在平面上大都呈雁列式,并且具有较强的分带性,在剖面上呈反S型,倾向NW,在纵投影图上向NE侧伏。矿石矿物成分以黄铁矿、黄铜矿、石英为主,同一矿体中上部矿化较下部好,特别是在黄铁矿和黄铜矿较为发育的部位更加富集,金大多数以与黄铁矿、黄铜矿相伴生的方式存在。探矿工程显示,该矿段南东部发育较大规模的硅化、黄铁矿化带,可以预测矿段南东部-200m标高以下和北东部15线以东-150m标高以下部位是重要的找矿靶区。
【Abstract】 The Jiuqu deposit of the Linglong gold minefield is of quartz vein type. Its ore bodies occur in enechelon type in the plane and show obvious zoning feature. In the cross section, the ore bodies present reverse S type and dip northwestward, and subside northeastward in longitudinal view. The ore mainly consists of pyrite, chalcopyrite and quartz. The mineralization is better at the middle and upper part, especially, where pyrite and chalcopyrite are abundant than that of the lower part in one ore body. The gold takes the form of company with pyrite and chalcopyrite. The prospect project had revealed that there are larger scale siliconizing and pyritization belts. The lower of the southeast under the elevation of -200 m and the northeast of line 15th under the elevation of -150 m are important prospecting targets.
【Key words】 gold deposit; auriferous quartz; geological feature; prospecting forecast; Shandong;
- 【文献出处】 黄金地质 ,Gold Geology , 编辑部邮箱 ,2003年01期
- 【分类号】P618.51
- 【被引频次】17
- 【下载频次】148