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Intervals
Macrostrat
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NN7
292
Type
Zone
Age range
11.88–10.89
Ma
International Timescale
Miocene
Tortonian
Serravallian
Calcareous Nannoplankton Zones
NN8
NN7
NN6
11.9
11.8
11.8
11.8
11.7
11.7
11.6
11.6
11.5
11.4
11.4
11.3
11.3
11.3
11.2
11.2
11.1
11.1
11.0
10.9
10.9
10.8
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