The Riphean stage is a period of time from Ma|1400|800, containing the
References
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Ural Mountains — Riphean redirects here. For the time period, see Riphean stage Geobox|Range name=The Ural Mountains country=Russia country1=Kazakhstan region=Bashkortostan region1=Sverdlovsk Oblast region2=Perm Krai region3=Chelyabinsk Oblast region4=Kurgan… … Wikipedia
Precambrian time — Interval of geologic time from с 3. 8 billion years ago, the age of the oldest known rocks, to 544 million years ago, the beginning of the Cambrian Period. This interval represents more than 80% of the geologic record and thus provides important… … Universalium
List of Russian people — The Millennium of Russia monument in Veliky Novgorod, featuring the statues and reliefs of the most celebrated people in the first 1000 years of Russian history … Wikipedia
