Table T16. Datum tie points, Hole U1405A.
|
Datum tie point |
Datum | Datum type | Zone |
Age (Ma) |
Mid-point depth (mbsf) |
Distance (m) |
Duration (Ma) |
LSR (cm/k.y.) |
Notes |
|---|---|---|---|---|---|---|---|---|---|
| D01 | T Pseudoemiliania lacunosa | Calcareous nannofossil | NN20 | 0.44 | 0.54 | ||||
| D02 | B Ceratolithus rugosus | Calcareous nannofossil | NN13 | 5.12 | 9.04 | 8.51 | 4.68 | 0.18 | Average rate = 0.19 cm/k.y. |
| D03 | T Sphenolithus heteromorphus | Calcareous nannofossil | NN6 | 13.53 | 25.96 | 16.92 | 8.41 | 0.20 | |
| D04 | Tc Discoaster deflandrei | Calcareous nannofossil | 15.80 | 25.96 | 0.00 | 2.27 | 0.00 | Hiatus | |
| D05 | C5Br/C5Cn.1n | Chron boundary | 15.97 | 39.20 | 13.24 | 0.17 | 7.61 | Average rate = 6.00 cm/k.y. | |
| D06 | C5Cn.2r/C5Cn.3n | Chron boundary | 16.54 | 64.14 | 24.94 | 0.57 | 4.38 | ||
| D07 | Bc Sphenolithus heteromorphus | Calcareous nannofossil | 17.71 | 64.36 | 0.22 | 1.17 | 0.02 | Hiatus | |
| D08 | T Triquetrorhabdulus carinatus | Calcareous nannofossil | NN3 | 18.28 | 87.25 | 22.89 | 0.57 | 4.02 | |
| D09 | Inferred hiatus | 19.70 | 87.25 | 0.00 | 1.42 | 0.00 | Hiatus | ||
| D10 | T Theocyrtis annosa | Radiolarian | 20.05 | 101.51 | 14.26 | 0.35 | 4.07 | ||
| D11 | Inferred hiatus | 21.90 | 101.51 | 0.01 | 1.85 | 0.00 | Hiatus | ||
| D12 | C6Cn.1n/C6Cn.1r | Chron boundary | 22.76 | 135.96 | 34.45 | 0.85 | 4.03 | ||
| D13 | C6Cn.3n/C6Cr | Chron boundary | 23.30 | 192.17 | 56.21 | 0.54 | 10.39 | ||
| D14 | T Sphenolithus ciperoensis | Calcareous nannofossil | NN1 | 24.43 | 264.55 | 72.38 | 1.13 | 6.38 | |
| D15 | Bc? Triquetrorhabdulus carinatus | Calcareous nannofossil | 26.57 | 307.14 | 42.59 | 2.14 | 1.99 |
LSR = linear sedimentation rate. T = top, Tc = top common, B = base, Bc = base common. ? = uncertainty.
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