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M23n
1262
Type
Subchron
Age range
152.64–152.25
Ma
International Timescale
Late Jurassic
Kimmeridgian
Geomagnetic Polarity Subchron
M22Ar
M23n
M23r.1r
152.64
152.62
152.60
152.58
152.56
152.54
152.52
152.50
152.48
152.46
152.44
152.42
152.40
152.38
152.36
152.34
152.32
152.30
152.28
152.26
152.24
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