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Intervals
Macrostrat
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C18
1109
Type
Chron
Age range
41.154–38.615
Ma
International Timescale
Eocene
Bartonian
Lutetian
Geomagnetic Polarity Chron
C17
C18
C19
41.2
41.0
40.8
40.6
40.4
40.2
40.0
39.8
39.6
39.4
39.2
39.0
38.8
38.6
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