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Table T3. Diatom biostratigraphic datums, Site U1358. (See table note.)

Event Published age
(Ma)
Error
(m.y.)
Core, section, interval (cm) Depth (mbsf)
Top Bottom Top Bottom
  318-U1358A- 318-U1358A-
FO Thalassiosira antarctica 0.61 0.04   1R-CC   1.10
FO Fragilariopsis rhombica 1.41 0.04   1R-CC   1.10
FO Fragilariopsis separanda 1.41 0.04   1R-CC   1.10
FO Shionodiscus gracilis var. gracilis 1.87 0.00   1R-CC   1.10
FO Fragilariopsis kerguelensis 2.29 0.01   1R-CC   1.10
FO Actinocyclus actinochilus 2.77 0.04   1R-CC   1.10
FO Fragilariopsis ritscheri 2.85 0.03   1R-CC   1.10
FO Fragilariopsis curta 3.56 0.01   1R-CC   1.10
FO Thalassiosira lentiginosa 3.99 0.13   1R-CC   1.10
  318-U1358B- 318-U1358B-
FO Thalassiosira antarctica 0.61 0.04 1R-1, 0 1R-CC 0.00 0.42
FO Fragilariopsis rhombica 1.41 0.04 1R-1, 0 1R-CC 0.00 0.42
FO Fragilariopsis separanda 1.41 0.04 1R-1, 0 1R-CC 0.00 0.42
FO Shionodiscus gracilis var. gracilis 1.87 0.00 1R-1, 0 1R-CC 0.00 0.42
FO Fragilariopsis kerguelensis 2.29 0.01 1R-1, 0 1R-CC 0.00 0.42
FO Actinocyclus actinochilus 2.77 0.04 1R-1, 0 1R-CC 0.00 0.42
FO Fragilariopsis ritscheri 2.85 0.03 1R-1, 0 1R-CC 0.00 0.42
FO Fragilariopsis curta 3.56 0.01 1R-1, 0 1R-CC 0.00 0.42
FO Thalassiosira lentiginosa 3.99 0.13 1R-1, 0 1R-CC 0.00 0.42
LO Thalassiosira torokina 2.24 0.04 1R-CC 2R-CC 0.42 9.32
LO Thalassiosira insigna 2.48 0.03 1R-CC 2R-CC 0.42 9.32
LO Thalassiosira inura 2.54 0.01 1R-CC 2R-CC 0.42 9.32
FO Thalassiosira insigna 3.25 0.11 3R-CC 4R-1, 92 21.54 27.32
FO Thalassiosira inura 4.74 0.03 4R-1, 92 4R-CC 27.32 28.62
FO Thalassiosira torokina 7.23 0.80 4R-CC 4R-CC 28.62 28.62

Note: FO = first occurrence, LO = last occurrence.

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