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Intervals
Macrostrat
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M34n.1r
1207
Type
Subchron
Age range
162.28–161.89
Ma
International Timescale
Middle Jurassic
Callovian
Geomagnetic Polarity Subchron
M34n.1n
M34n.1r
M34n.2n
162.28
162.26
162.24
162.22
162.20
162.18
162.16
162.14
162.12
162.10
162.08
162.06
162.04
162.02
162.00
161.98
161.96
161.94
161.92
161.90
161.88
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