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C12r
1388
Type
Sub-age
Age range
33.157–31.034
Ma
International Timescale
Oligocene
Rupelian
Geomagnetic Polarity Subchron
C12n
C12r
C13n
33.2
33.1
33.0
32.9
32.8
32.7
32.6
32.5
32.4
32.3
32.2
32.1
32.0
31.9
31.8
31.7
31.6
31.5
31.4
31.3
31.2
31.1
31.0
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