A lot of isotopic age data of many significant ore deposits in China have been obtained, but a certain geologic event in the mineralization process can not be marked by them.
尽管我国好多矿床已经测得了大量同位素年龄资料，但这决不等于这些年龄数据均能标定成矿过程中某一地质事件发生的时代。
This suggestion is supported by a lot of obtained fossils together with data of isotopic age.
古生物化石、同位素年龄都证实了这一点。
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