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Table T5. Radiolarian datums, Site U1407.

Core, section, interval (cm) Age Zone/
Subzone
Marker species Age
(Ma)
Depth (mbsf)
Top Bottom Top Bottom Mid-point
342-U1407A- 342-U1407A-
    Eocene            
11H-CC 11H-CC     T Buryella clinata 47.9 92.32 102.04 97.18
11H-CC 16X-CC   RP11 B Dictyoprora mongolfieri 47.98 102.04 124.61 113.33
    Paleocene            
11H-CC 16X-CC   RP7 T Buryella tetradica 50.87 102.04 124.61 113.33
18X-CC 19X-CC   RP7 X Bekoma campechensisBekoma bidartensis 58.23 142.90 149.25 146.07
18X-CC 19X-CC   RP6b T Stichocampe caia 59 142.90 149.25 146.07
19X-CC 20X-CC   RP6a T Orbula comitata 59.5 149.25 164.85 157.05
21X-3, 8–12 21X-CC     B Phormocyrtis striata exquisita 61.5 167.80 172.24 170.02
21X-CC 22-1, 24–25   RP6a T Anthocyrtis mespilus 62 172.24 182.27 177.25

B= base, T = top, X = faunal crossover.

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