阿尔金南中段采石沟矿区构造控矿特征与区内找矿方向

Northwestern Geology(2016)

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Abstract
阿尔金南中段采石沟矿区位于阿尔金左行走滑断裂带中段南侧,属于阿卡腾能山造山带阿克提早古生代裂陷槽,北侧为阿克提-红水沟断裂,南侧为阿尔金南缘断裂,其间广泛分布有奥陶纪滩涧山群火山岩,为初始矿源层;区内北北东向张性断层及近东西向断层发育,均为控矿断层.根据走滑应力场中构造分布特征及控矿规律理论,该区北东向、近东西向构造为控矿构造,而采石沟金矿均受控于北东向及近东西向两组构造中,与理论完全一致.为了扩大该区地质找矿成果,根据上述结果,结合区内地球化学勘查成果划分了阿克提、柴水沟、采石沟、清水沟、红水沟找矿靶区,经初步检查验证,多数靶区内均发现矿点,进一步证实了靶区选择的合理,为以后在该区找矿提供了找矿方向.
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Key words
Caishigou deposit,strike-slip tectonics,tectonic ore-controlling,prospecting target zone,prospecting direction,Altyn
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