Table T8. Datums used to construct the age vs. depth plot for Hole 1069A.
| Datum | Datum type | Sample containing datum | Next adjacent sample | Age (Ma) |
Median
depth (mbsf) |
|||
|---|---|---|---|---|---|---|---|---|
|
Core,
section, interval (cm)
|
Depth (mbsf)
|
Core,
section, interval (cm)
|
Depth (mbsf)
|
|||||
| 173-1069A- | 173-1069A- | |||||||
| Discoaster diastypus | FO | 7R-5, 1-3 | 782.81 | 7R-5, 18-19 | 782.98 | 55.00 | 782.90 | |
| Fasciculithus tympaniformis | LO | 7R-5, 18-19 | 782.98 | 7R-5, 1-3 | 782.81 | 55.33 | 782.90 | |
| Discoaster multiradiatus | FO | 7R-CC, 20-22 | 784.58 | 8R-1, 09-11 | 786.49 | 56.20 | 785.54 | |
| Discoaster mohleri | FO | 8R-2, 70-71 | 788.60 | 9R-1, 13-15 | 796.13 | 57.50 | 792.37 | |
| Sphenolithus primus | FO | 10R-2, 69-71 | 807.79 | 10R-2, 137-140 | 808.47 | 60.60 | 808.13 | |
| Ellipsolithus macellus | FO | 11R-1, 128-129 | 816.58 | 11R-2, 19-21 | 816.99 | 62.20 | 816.79 | |
| Cruciplacolithus primus | FO | 12R-1, 62-64 | 825.62 | 12R-1, 113-114 | 826.13 | 64.80 | 825.88 | |
| K/T boundary | 12R-1, 120-122 | 826.20 | 12R-1, 113-114 | 826.13 | 65.00 | 826.17 | ||
| Micula prinsii | FO | 12R-5, 135-137 | 832.35 | 12R-6, 20-21 | 832.70 | 66.00 | 832.53 | |
| Micula murus | FO | 14R-1, 77-79 | 845.17 | 14R-1, 140-142 | 845.80 | 68.50 | 845.49 | |
| Uniplanarius trifidus | LO | 14R-3, 19-21 | 847.59 | 14R-2, 115-116 | 847.05 | 71.30 | 847.32 | |
| Broinsonia parca constricta | LO | 15R-1, 138-141 | 855.38 | 15R-1, 99-100 | 854.99 | 74.60 | 855.19 | |
| Eiffellithus eximius | LO | 15R-3, 19-21 | 857.19 | 15R-2, 143-141 | 856.93 | 75.30 | 857.06 | |
Notes: FO = first occurrence; LO = last occurrence. Ages for the nannofossil datums were obtained from Berggren et al. (1995).