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Intervals
Macrostrat
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M42.3n
1156
Type
Subchron
Age range
168.85–168.73
Ma
International Timescale
Middle Jurassic
Bajocian
Geomagnetic Polarity Subchron
M42.2r
M42.3n
M42n.3r
168.85
168.85
168.84
168.84
168.84
168.83
168.82
168.82
168.81
168.81
168.81
168.80
168.79
168.79
168.78
168.78
168.78
168.77
168.76
168.76
168.75
168.75
168.75
168.74
168.74
168.73
168.72
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