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《Geological Review》 1996-02
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THE TIME GAP BETWEEN ROCK AND GOLD ORE FORMATION

Liu Shaobo and Wang Liankui{Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou)  
The time gap between rock and ore formation exists in many gold deposits in the world. The time gap may be classified into the real-time gap, quasi-time gap and pseudo-time gap according to the meanings of the ages of rock and ore determined by different methods. The realtime gap is relative, the quasi-time gap is usually used, and the pseudo-time gap results from slowly cooling, thermal reseting, and false sampling. The deep-seated comagmatic hydrothermal mineralization model, modified mineralization model, and deep-seated metamorphic hydrothermal mineralization model may be constructed for the explanations of the real-time gap. Different models may explain different gold deposits formed in different geological times and areas.
【CateGory Index】: P618.51
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