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Intervals
Macrostrat
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NP9
314
Type
Zone
Age range
57.22–56
Ma
International Timescale
Eocene
Ypresian
Paleocene
Thanetian
Calcareous Nannoplankton Zones
NP10
NP9
NP8
57.3
57.2
57.1
57.1
57.0
57.0
57.0
56.9
56.9
56.8
56.8
56.7
56.6
56.6
56.5
56.5
56.5
56.4
56.4
56.3
56.3
56.2
56.1
56.1
56.0
56.0
56.0
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