The Time Span and Duration of Tonian Period
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Topic(s)
1,000 M - 720 M Years
The time span of Tonian period was 1,000 million years to 720 million years ago, while it's duration was approx. 280 million years.
The time span of Tonian period was 1,000 million years to 720 million years ago, while it's duration was approx. 280 million years.