首页> 中文期刊> 《东华理工大学学报(自然科学版)》 >赞比亚铜带省卡卢鲁西铜矿区地质特征及找矿前景探讨

赞比亚铜带省卡卢鲁西铜矿区地质特征及找矿前景探讨

         

摘要

Kalulushi copper deposits of Copperbelt Province, Zambia has similar geological environment and met-allogenic condition with Southern deposits of Chibuluma due to analogical analysis of geological, geophysical and geochemical exploration data. The ores are concentrated in the ore-bearing formation of Lower Roan Group. And the ore body extends along inclination and strike with layered and lenticular characteristic. In addition, copper mineralization presents some zoning features from center to outer, i. e. pyritization-chalcopyrite, sulfur cobalt cop-per-bornite, chalcopyrite. It is a syngenetic deposit, which experiences the transformation effect of late stage regional structure and metamorphism. The prospecting target is to focus on palae-depression basin and geophysical and geochemical anomalies.%通过对赞比亚已知大型谦比西铜矿床和赤布鲁马南铜矿床的地质、物化探资料的研究类比,认为赞比亚铜带省卡卢鲁西铜多金属矿评价区具有和赤布鲁马南矿床相似的成矿地质环境和成矿条件,矿体赋存于下罗安组的含矿建造中.受成矿期后构造的影响,矿体表现为沿倾向延深和走向延伸呈似层状和透镜状变化特征.铜矿化具有一定的的分带特征,从盆地中心向外侧,由黄铁矿化-合黄铜矿、硫钴铜矿-斑铜矿-斑铜矿、黄铜矿逐渐过渡.矿床属同生沉积,成矿期后的区域构造作用和变质作用对整个矿床产生了改造作用.有望找到类似赤布鲁马南矿床的大型铜多金属矿床,找矿方向是要寻找古凹陷盆地及物化探异常区,对评价区下步找矿具有一定的指导意义.

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