[stage] The Riphean is a stage or age of the geologic timescale from {Ma|1400|800}. 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 pe...
Found on
http://en.wikipedia.org/wiki/Riphean_(stage)
(from the article `Precambrian time`) During the middle and late Proterozoic, thick sequences of sediment were deposited in many basins throughout Asia. The Riphean sequence spans the ... ...Therefore, in the late Proterozoic many sedimentary basins were infilled with conglomerates and sandstones due to the deposition of material ... ...
Found on
http://www.britannica.com/eb/a-z/r/52
No exact match found.
