Table T8. Recognized nannofossil events, Hole C0004C. (See table notes.)
Epoch | Zone (top) |
Age (Ma) |
Nannofossil event | Top | Bottom | Mean depth CSF (m) |
||
---|---|---|---|---|---|---|---|---|
Core, section, interval (cm) |
Depth CSF (m) |
Core, section, interval (cm) |
Depth CSF (m) |
|||||
316-C0004C- | 316-C0004C- | |||||||
Pleistocene | NN20 | 0.44 | LO Pseudoemiliania lacunosa | 1H-CC, 0–5 | 6.27 | 2H-CC, 0–5 | 16.33 | 11.30 |
NN19 | 0.90 | LCO Reticulofenestra asanoi | 2H-CC, 0–5 | 16.31 | 3H-CC, 0–5 | 25.60 | 20.95 | |
1.078* | FCO Reticulofenestra asanoi | 3H-CC, 0–5 | 25.60 | 4H-CC, 5–10 | 35.36 | 30.48 | ||
1.24 | LO Gephyrocapsa spp. large (>5.5 µm) | 4H-CC, 5–10 | 35.36 | 5H-CC, 4–9 | 44.96 | 40.16 | ||
1.46 | FCO Gephyrocapsa spp. large (>5.5 µm) | 8H-CC, 23.5–28.5 | 73.64 | 9H-2, 94 | 75.23 | 74.44 | ||
1.60 | LO Calcidiscus macintyrei (≥11 µm) | 8H-CC, 23.5–28.5 | 73.64 | 9H-2, 94 | 75.23 | 74.44 | ||
2.06 | LO Discoaster brouweri | 9H-6, 17 | 78.76 | 9H-6, 44 | 79.03 | 78.90 | ||
middle Pliocene |
NN16 | 2.393–2.512* | LO Discoaster pentaradiatus | 9H-6, 17 | 78.76 | 9H-6, 44 | 79.03 | 78.90 |
2.52 | LO Discoaster surculus | 9H-6, 44 | 79.03 | 9H-CC, 0–5 | 80.87 | 79.95 | ||
2.87 | LO Discoaster tamalis | 11H-CC, 0–5 | 89.23 | 12X-CC, 0–5 | 98.51 | 93.87 |
Notes: * = data based on Atlantic or Mediterranean records. CSF = core depth below seafloor. LO = last occurrence, LCO = last consistent occurrence, FCO = first consistent occurrence.
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