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Intervals
Macrostrat
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M11A
1081
Type
Chron
Age range
136.87–136.29
Ma
International Timescale
Early Cretaceous
Valanginian
Geomagnetic Polarity Chron
M11
M11A
M12
136.85
136.80
136.75
136.70
136.65
136.60
136.55
136.50
136.45
136.40
136.35
136.30
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