Table T9. Calcareous nannofossil events and absolute age, Hole C0012A. (See table notes.)
|
Nannofossil zone |
Calcareous nannofossil event |
Age (Ma) | Core, section, interval (cm) | Depth CSF (m) |
Error (m) |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Upper | Lower | Middle | Error | Top | Bottom | Top | Bottom | Middle | |||
| 322-C0012A- | 322-C0012A- | ||||||||||
| NN13/NN12 | FO Ceratolithus cristatus | 5.054 | 5.12 | 5.087 | 0.033 | 4R-CC, 14–19 | 5R-CC, 17.5–22.5 | 80.79 | 93.05 | 86.92 | 6.13 |
| NN12/NN11b | LO Discoaster quinqueramus | 5.54 | 5.59 | 5.565 | 0.025 | 4R-CC, 14–19 | 5R-CC, 17.5–22.5 | 80.79 | 93.05 | 86.92 | 6.13 |
| PE R. pseudoumbilicus | PE Reticulofenestra pseudoumbilicus | 7.077 | 7.167 | 7.122 | 0.045 | 7R-5, 40–42 | 8R-4, 45 | 107.165 | 116.175 | 111.67 | 4.505 |
| NN11a/NN10b | FO Discoaster berggrenii | 8.29 | 8.52 | 8.405 | 0.115 | 17R-1, 41–43 | 17R-CC, 10.5–15.5 | 197.42 | 200.625 | 199.0225 | 1.6025 |
| NN10a/NN10b | PB Reticulofenestra pseudoumbilicus (>7 µm) | 8.761 | 8.785 | 8.773 | 0.012 | 17R-CC, 10.5–15.5 | 18R-1, 40–41 | 200.625 | 206.905 | 203.765 | 3.14 |
| LO D. hamatus | LO Discoaster hamatus | 9.53 | 9.687 | 9.6085 | 0.0785 | 19R-1, 32–34 | 21R-3, 7 | 216.03 | 235.765 | 225.8975 | 9.8675 |
| NN8/NN9 | FO Discoaster hamatus | 10.184 | 10.549 | 10.3665 | 0.1825 | 21R-3, 7 | 26R-CC, 4–9 | 216.03 | 235.765 | 225.8975 | 9.8675 |
| NN8/NN7 | FO Catinaster coalitus | 10.733 | 10.886 | 10.8095 | 0.0765 | 21R-3, 7 | 26R-CC, 4–9 | 216.03 | 235.765 | 225.8975 | 9.8675 |
| LO C. floridanus | LO Cyclicargolithus floridanus | 12.037 | 12.037 | 12.037 | 0 | 26R-CC, 4–9 | 27R-3, 67 | 284.86 | 293.04 | 288.95 | 4.09 |
| NN6/NN5 | LO Sphenolithus heteromorphus | 13.53 | 13.65 | 13.59 | 0.06 | 40R-2, 61 | 40R-5, 16 | 415.915 | 418.255 | 417.085 | 1.17 |
| NN5/NN4 | LO Helicosphaera ampliaperta | 14.914 | 14.914 | 14.914 | 0 | 48R-CC, 11–16 | 52R-1, 67 | 491.515 | 529.59 | 510.5525 | 19.0375 |
| NN3/NN2 | FO Sphenolithus belemnos | 18.921 | 18.921 | 18.921 | 0 | 48R-CC, 11–16 | 52R-1, 67 | 491.515 | 529.59 | 510.5525 | 19.0375 |
| FO H. ampliaperta | FO Helicosphaera ampliaperta | 18.921 | 20.393 | 19.657 | 0.736 | 52R-1, 67 | 52R-CC, 7–12 | 528.67 | 530.325 | 529.4975 | 0.8275 |
Notes: Age based on Raffi et al. (2006). PE = paracme end, LO = last occurrence, FO = first occurrence, PB = paracme beginning.
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