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Intervals
Macrostrat
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NJ4
362
Type
Zone
Age range
192.36–186.25
Ma
International Timescale
Early Jurassic
Pliensbachian
Calcareous Nannoplankton Zones
NJ5
NJ4
NJ3
192.5
192.0
191.5
191.0
190.5
190.0
189.5
189.0
188.5
188.0
187.5
187.0
186.5
186.0
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