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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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