阿尔金山喀腊达坂一带火山成因块状硫化物型铅锌矿床地质特征及找矿前景
Geological Features and Ore Prospecting Potential of the Volcanogenic Massive Sulfide Lead-Zinc Deposits in Kaladaban Area, Altun
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摘要: 阿尔金山北缘喀腊达坂地区位于红柳沟-拉配泉弧后盆地(裂谷)内,中酸性火山岩及近东西向断裂构造十分发育,在喀腊达坂断裂分布的褐铁矿化、黄钾铁矾蚀变带内已发现多处地质特征相似的铅锌矿床;通过分析喀腊达坂铅锌矿床地质特征,认为该区铅锌矿床均属火山成因块状硫化物型;.分析了该区的控矿因素,总结了找矿标志,认为该区硫化物型铅锌矿具有优越的成矿条件和巨大的找矿前景.Abstract: The Kaladaban area, in which intermediate-acidic volcanic rocks and nearly EW-trending faults are well developed, locates in the Hongliugou-Lapeiquan arc basins(rift). Along the limonitization and jarosite alteration zone of the Kaladaban fault, a few lead-zinc deposits with similar geological features have been found. The geological characteristics of these lead-zinc deposits imply that they belong to volcanic massive sulfide(VMS) type deposit. Based on ore-controlling factors analysis and ore prospecting criteria summary, we believe that this area has superior metallogenic conditions and huge ore prospecting potential.
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