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jan 1, 613271220 BC - 震旦纪大冰期 地球历史上的第一次大规模冰川活动 发生在距今6亿年前

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https://baike.baidu.com/item/%E9%9C%87%E6%97%A6%E7%BA%AA%E5%A4%A7%E5%86%B0%E6%9C%9F/3727396

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地球地质年代表

By徐康
8 Feb 2020
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1126

Date:

jan 1, 613271220 BC
Now
~ 5883516 years ago

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