Template:Orosirian graphical timeline

Events of the Orosirian

−2060 —

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−2040 —

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−2020 —

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−2000 —

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−1980 —

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−1960 —

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−1940 —

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−1920 —

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−1900 —

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−1880 —

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−1860 —

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−1840 —

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−1820 —

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−1800 —

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P
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Rhyacian

Orosirian

Statherian

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Beginning of the Boring Billion

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Sudbury Basin structure created by asteroid impact?

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Vredefort impact structure created by asteroid impact

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Supercontinent Columbia formed

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End of Great Oxidation Event

Events of the Orosirian Period.
Axis scale: millions of years ago.

References

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