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Intervals
Macrostrat
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NN6
293
Type
Zone
Age range
13.66–11.88
Ma
International Timescale
Miocene
Serravallian
Calcareous Nannoplankton Zones
NN7
NN6
NN5
13.7
13.6
13.5
13.4
13.3
13.2
13.1
13.0
12.9
12.8
12.7
12.6
12.5
12.4
12.3
12.2
12.1
12.0
11.9
11.8
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