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Intervals
Macrostrat
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C4r.2r
1478
Type
Sub-age
Age range
8.771–8.3
Ma
International Timescale
Miocene
Tortonian
Geomagnetic Polarity Subchron
C4r.1n
C4r.2r
C4An
8.78
8.76
8.74
8.72
8.70
8.68
8.66
8.64
8.62
8.60
8.58
8.56
8.54
8.52
8.50
8.48
8.46
8.44
8.42
8.40
8.38
8.36
8.34
8.32
8.30
8.28
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