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Intervals
Macrostrat
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C7n.1n
1409
Type
Sub-age
Age range
24–23.962
Ma
International Timescale
Oligocene
Chattian
Geomagnetic Polarity Subchron
C6Cr
C7n.1n
C7n.1r
24.000
23.998
23.996
23.994
23.992
23.990
23.988
23.986
23.984
23.982
23.980
23.978
23.976
23.974
23.972
23.970
23.968
23.966
23.964
23.962
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