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伽玛能谱测量在鲁西地区金矿预测中的应用
THE APPLICATION OF γ RAY ENERGY SPECTRAL SURVEY IN GOLD PROSPECTING, WEST SHANDONG
【摘要】 鲁西地区伽玛能谱测量应用实践表明,伽玛能谱测量是一种简便、快速、有效的间接找金方法。不同类型的金矿其伽玛能谱特征不相同,具有不同的伽玛能谱参数。与中浅成中酸性侵入杂岩体有关的金矿具有K/U参数正异常;与浅成和超浅成偏碱性—碱性杂岩体有关的隐爆角砾岩型金矿则具有一致的U、Th、K及F参数正异常。
【Abstract】 The application of γ ray energy spectral survey in west Shandong shows that it is a simple, fast and effective technique for gold prospecting. Different types of gold deposits have different features of γ ray energy spectrum and different parameters. The gold deposit related to intermediate acid intrusive complex which emplaced in the medium shallow crust has positive anomaly of K/U parameter. The cryptoexplosion breccia gold deposit related to subalkaline alkaline complex which emplaced in the shallow supershallow crust has similar positive anomalies of U, K, Th and F parameter.
【Key words】 gold deposit; γ ray energy spectral survey; metallogenic prospecting; Shandong;
- 【文献出处】 黄金地质 ,GOLD GEOLOGY , 编辑部邮箱 ,1999年02期
- 【分类号】P631.6
- 【被引频次】9
- 【下载频次】98