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论金刚石原生矿勘查模型的“三组合”标志
引用本文:李国华,颜彬.论金刚石原生矿勘查模型的“三组合”标志[J].地质科技情报,1993(Z1).
作者姓名:李国华  颜彬
作者单位:江苏省地质矿产局物化探大队 南京210008 (李国华),江苏省地质矿产局物化探大队 南京210008(颜彬)
摘    要:论述了金刚石原生矿勘查模型的“三组合”标志,即重砂法异常标志是出现次钙高铬镁铝榴石及高铬铬尖晶石矿物等;地球物理标志是与刚性围岩相比具有磁异常、低阻、高极化异常、重力低与放射性强度异常等;地球化学标志是具有Cr、Ni、Nb、La、Ce、Th等特征元素的综合异常。

关 键 词:金刚石原生矿  重砂异常  地球物理标志  地球化学标志

A "THREE-IN-ONE" SIGN FOR PRIMARY DIAMOND MODELS
Li Guohua,Yan Bin.A "THREE-IN-ONE" SIGN FOR PRIMARY DIAMOND MODELS[J].Geological Science and Technology Information,1993(Z1).
Authors:Li Guohua  Yan Bin
Abstract:A "three-in-one" sign can be as the prospecting model for primary kimberlite. One aspect of the sign is anomalies of heavy placer minerals in which the pyrope with high Cr and low Ca occurs. Another one is geophysical indicator in which the magnetic anomalies, low resistivity anomalies, high polarizability anomalies, low gravity anomalies and high radioactivity anomalies exist compared with rigid adjacont rocks. Last one is geochemical indicator in which there are complex element anomalies of Cr, Ni, Nb, La, Ce and Th etc.
Keywords:primary kimberlite  heavy placer mineral anomaly  geophysical indicator  geo-chemical indicatorchemical indicator
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