成矿时代为中元古代早期。
The mineralization epoch is the early period of mesoproterozoic era.
这些结果证实，大别地区存在中元古代晚期到新元古代早期的岩浆作用，且这一时期扬子板块有不同程度的地壳生长。
The results showed that the late Mesoproterozoic to early Neoproterozoic magmatic activities occurred in the Dabie area, which might also be a period of crustal growth in the Yangtze block.
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