Riphean sequence

Precambrian rocks

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  In Precambrian: Orogenic belts

  The Riphean sequence spans the period from 1.6 billion to 800 million years ago and occurs primarily in Russia. The Sinian sequence in China extends from 800 to 570 million years ago, toward the end of the Precambrian time. The sediments are terrigenous debris characterized by…

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  In Precambrian: Proterozoic plate movements

  For example, the Riphean sequence in Russia and also the Sinian sequence in China were able to form on extensive cratons of continental crust.

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  In Precambrian: Paleogeography

  that stromatolite-bearing dolomites of Riphean rock, a sedimentary sequence spanning the period from 1.65 billion to 800 million years ago, were deposited in warm, tropical waters. Riphean rock is primarily located in the East European craton, which extends from Denmark to the Ural Mountains, and in the Siberian craton…

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