澳大利亚特里托里(TERRITORY)北部ARLTUNGE金矿区含金石英脉分布的构造控制

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摘要 1 绪言在几个世代的石英脉及与其共生的矿化建造中,渐进的脆性—韧性剪切带通常显示一种特有的型式。一组早期的贫金石英脉在剪切带内通常呈雁行状展布。这些石英脉随渐进的形变作用而变形,且被膨胀的石英脉穿切,这种膨胀脉是在剪切事件发生期间较晚期形成的,当时大多数的位移已形成于特有的狭窄裂隙带内。尽管人们通常能够识别上述矿化类型,但却未很好了解其成因和形态约束。本文涉及澳大利亚中部若干后生脉状金矿床,这些矿床是代表从韧性发展到脆性一韧性剪切带中矿化的极好实例。

作者 PaulH.G.M.Dirks 陈硕彦

出处《西北地质》 CAS CSCD 1992年第2期52-57,共6页 Northwestern Geology

关键词金矿区金矿化石英脉含金

分类号 P618.510.5 [天文地球—矿床学]

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西北地质

1992年第2期

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澳大利亚特里托里(TERRITORY)北部ARLTUNGE金矿区含金石英脉分布的构造控制

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