Previous   |    Close   |    Next

Table T16. Datum tie points, Hole U1406A.

Datum
tie point 		Datum Datum type Age
(Ma) 		Mid-point
depth
(mbsf) 		Length
(m) 		Duration
(Ma) 		LSR
(cm/k.y.) 		Notes
D01 T Pseudoemiliania lacunosa Calcareous nannofossil 0.44 0.38        
D02 C5Dn/C5Dr.1r Chron boundary 17.53 9.99 9.62 17.09 0.06 0.06
D03 C6n/C6r Chron boundary 19.72 26.34 16.35 2.19 0.75 Average rate = 0.85 cm/k.y.
D04 C6AAr.3r/C6Bn.1n Chron boundary 21.77 46.07 19.73 2.04 0.96
D05 C6Cn.2n/C6Cn.2r Chron boundary 23.03 81.16 35.10 1.26 2.78 2.78
D06 C6Cr/C7n.1n Chron boundary 23.96 94.72 13.56 0.93 1.45 Average rate = 1.41 cm/k.y.
D07 C7An/C7Ar Chron boundary 24.98 108.74 14.03 1.02 1.37
D08 C8r/C9n Chron boundary 26.42 140.59 31.85 1.44 2.22 Average rate = 2.41 cm/k.y.
D09 Bc Triquetrorhabdulus carinatus Calcareous nannofossil 26.57 146.99 6.40 0.15 4.27
D10 Inferred hiatus   27.70 146.99 –0.00 1.13 –0.00 Hiatus
D11 C10r/C11n.1n Chron boundary 29.18 158.99 12.00 1.48 0.81 Average rate = 0.88 cm/k.y.
D12 C12r/C13n Chron boundary 33.16 194.93 35.94 3.97 0.90
D13 T Chiasmolithus solitus Calcareous nannofossil 40.40 237.41 42.48 7.24 0.59 0.59
D14 B Dictyoprora mongolfieri Radiolarian 47.98 251.27 13.86 7.58 0.18 0.18
D15 T Amphisphaera goruna Radiolarian 55.50 251.27 0.00 7.52 0.00 Hiatus
D16 B Heliolithus cantabriae Calcareous nannofossil 59.60 280.70 29.43 4.10 0.72 0.72
D17 B Fasciculithus tympaniformis Calcareous nannofossil 61.51 281.03 0.33 1.91 0.02 0.02

LSR = linear sedimentation rate. T = top, B = base, Bc = base common.

Previous   |    Close   |    Next   |    Top of page