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Intervals
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M5n
1323
Type
Subchron
Age range
131.43–130.6
Ma
International Timescale
Early Cretaceous
Hauterivian
Geomagnetic Polarity Subchron
M3r
M5n
M5r
131.4
131.4
131.3
131.3
131.3
131.2
131.2
131.1
131.1
131.0
130.9
130.9
130.8
130.8
130.8
130.7
130.7
130.6
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