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Table T4. Microfossil bioevents, Site U1427

Core, Section, interval (cm) Event
type		  
Bioevents and epoch boundaries		 Age
(Ma)		 Depth CSF-A (m) Depth CCSF-A (m)
Top Bottom Top Bottom Midpoint ± Top Bottom Midpoint ±
346-U1427A- 346-U1427A-                      
1H-CC 1H-CC R Larcopyle buetschlii Zone 0-0.01 1.74 1.74 1.74 0.00 1.80 1.80 1.80 0.00
2H-CC 3H-CC R LO Lychnocanoma sakaii 0.05 11.29 21.39 16.34 5.05 11.07 21.92 16.50 5.43
4H-CC 5H-CC F FO and LO Globigerinoides ruber (pink) 0.12−0.40 30.79 39.46 35.13 4.34 31.43 40.30 35.87 4.43
5H-CC 6H-CC R LO Amphimelissa setosa 0.08 39.46 50.03 44.75 5.29 40.30 50.37 45.33 5.03
6H-4W, 75 6H-6W, 75 CN FO Emiliania huxleyi 0.29 43.91 46.92 45.42 1.51 44.25 47.26 45.75 1.51
8H-7W, 75 8H-CC CN LO Pseudoemiliania lacunosa 0.44 66.85 68.52 67.69 0.83 68.49 70.16 69.32 0.83
10H-CC 11H-CC R LO Spongodiscus sp. 0.29 88.07 97.04 92.56 4.49 90.20 100.38 95.29 5.09
28H-CC 29H-CC F LO Neogloboquadrina kagaensis group 0.70 242.86 246.30 244.58 1.72 257.92 260.88 259.40 1.48
50H-CC 51H-1W, 75 CN LO Reticulofenestra asanoi 0.91 346.82 346.95 346.89 0.06 364.34 364.40 364.37 0.03
67H-CC 68H-CC CN FCO Reticulofenestra asanoi 1.14 426.62 431.08 428.85 2.23 449.07 453.53 451.30 2.23
78H-CC 79H-CC F Neogloboquadrina pachyderma (D to S) 1.14−1.24 477.42 481.73 479.58 2.15 499.87 504.18 502.02 2.15
79H-CC 80H-1W, 23 CN LO Gephyrocapsa (>5.5 µm) 1.24 481.73 482.03 481.88 0.15 504.18 504.48 504.33 0.15
80H-2W, 80 80H-3W, 80 CN LO Helicosphaera sellii 1.34 483.09 484.59 483.84 0.75 505.54 507.04 506.29 0.75
83X-CC 84X-CC F T Globorotalia inflata (#2 bed) 1.24−1.34 500.37 511.75 506.06 5.69 522.82 534.20 528.51 5.69

R = radiolarian, F = foraminifer, CN = calcareous nannofossil. LO = last occurrence, FO = first occurrence, FCO = base common, T = top.

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