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第二世 距今5亿2100万年前 ~距今5亿900万年前 (jan 1, 520900000 BC – oct 18, 509000000 BC)

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地球地质年代表

By徐康
8 Feb 2020
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0
1113

Date:

jan 1, 520900000 BC
oct 18, 509000000 BC
~ 5883516 years
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