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Intervals
Macrostrat
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NP19-20
304
Type
Zone
Age range
36.84–34.44
Ma
International Timescale
Eocene
Priabonian
Calcareous Nannoplankton Zones
NP21
NP19-20
NP18
NP17
36.9
36.8
36.7
36.6
36.5
36.4
36.3
36.2
36.1
36.0
35.9
35.8
35.7
35.6
35.5
35.4
35.3
35.2
35.1
35.0
34.9
34.8
34.7
34.6
34.5
34.4
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