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Intervals
Macrostrat
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M41
1046
Type
Chron
Age range
168.15–167.47
Ma
International Timescale
Middle Jurassic
Bathonian
Geomagnetic Polarity Chron
M40
M41
M42
168.2
168.1
168.1
168.0
167.9
167.9
167.8
167.8
167.8
167.7
167.7
167.6
167.6
167.5
167.4
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