Lexicon
Intervals
Macrostrat
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M31n
1220
Type
Subchron
Age range
160.07–159.78
Ma
International Timescale
Late Jurassic
Oxfordian
Geomagnetic Polarity Subchron
M30r
M31n
M31r
160.08
160.06
160.04
160.02
160.00
159.98
159.96
159.94
159.92
159.90
159.88
159.86
159.84
159.82
159.80
159.78
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