Abstract
In the eastern part of China there had occurred large-scale gold mineralization during the Mesozoic, resulting in a large number of important gold ore-concentrated areas. In this paper we have selected some isotope data (including four gold deposits previously studied and two gold deposits in this work ) of Au-bearing quartz veins of the representative gold deposits in six important gold ore-concentrated areas in the periphery of the North China Platform and calculated their metallogenic ages using the method of Ludwig (2. 90 version). The results show that the representative gold deposits in the six gold ore-concentrated areas were formed during the Mesozoic.
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