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Table T16. Age-depth datum tie points, Hole U1404A.

Datum
tie point 		Datum Datum type Zone/Subzone Age
(Ma) 		Mid-point
depth
(mbsf) 		Distance
(m) 		Duration
(Ma) 		LSR
(cm/k.y.) 		Notes
D01 T Discoaster tamalis Calcareous nannofossil   2.80 0.88        
D02 Tc Discoaster deflandrei Calcareous nannofossil   15.80 44.97 44.09 13.00 0.34  
D03 T Paragloborotalia kugleri Planktonic foraminifer M1b/M2 21.12 74.60 29.63 5.32 0.56  
D04 B Globoquadrina dehiscens Planktonic foraminifer M1a/M1b 22.44 89.95 15.35 1.32 1.16  
D05 T Reticulofenestra bisecta (>10 µm) Calcareous nannofossil   23.13 144.88 54.94 0.69 7.96  
D06 T Sphenolithus ciperoensis Calcareous nannofossil NP25 24.43 149.74 4.86 1.30 0.37  
D07 Bc Triquetrorhabdulus carinatus Calcareous nannofossil   26.57 183.81 34.07 2.14 1.59  
D08 T Reticulofenestra umbilicus (>14 µm) Calcareous nannofossil NP23 32.02 200.62 16.81 5.45 0.31 Average rate = 0.27 cm/k.y.
D09 C17n.1r/C17n.2n Chron boundary   37.87 222.22 13.05 5.85 0.22
D10 X Podocyrtis sinuosa – P. mitra Radiolarian   43.38 299.80 86.14 5.51 1.56  

LSR = linear sedimentation rate. T = top, Tc = top common, B = base, Bc = base common, X = faunal crossover.

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