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Riphean (stage)

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This is an old revision of this page, as edited by Abyssal (talk | contribs) at 15:04, 2 July 2015 (removed Category:Geologic time scale; added Category:Geological ages using HotCat). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Geological cross section southern Siberia

The Riphean is a stage or age of the geologic timescale from 1,400 to 800 million years ago. The name Riphean is used in the Proterozoic stratigraphy of the Siberian Craton in Russia. It was also used in a number of older international geologic timescales but is in the most recent timescales of the ICS replaced by the Ectasian, Stenian and Tonian periods of the Neo- and Mesoproterozoic eras.[1]

The word 'Riphean' comes from the ancient Riphean Mountains, sometimes identified with the Ural Mountains.

References

  1. ^ GeoWhen Database - Riphean
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