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Intervals
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Middle Riphean
1789
Type
Era
Age range
1350–1030
Ma
International Timescale
Mesoproterozoic
Stenian
Ectasian
Russian Precambrian Eras
Late Riphean
Middle Riphean
Early Riphean
1,360
1,340
1,320
1,300
1,280
1,260
1,240
1,220
1,200
1,180
1,160
1,140
1,120
1,100
1,080
1,060
1,040
1,020
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