Table T8. Distribution of calcareous nannofossils, Hole U1313D.
| Core, section |
Martini (1971) Zone (base) |
Age (Ma) |
Abundance | Preservation | Calcidiscus leptoporus | Calcidiscus macintyrei | Calcidiscus tropicus | Calciosolenia murrayi | Ceratolithus cristatus | Ceratolithus rugosus | Coccolithus braarudii | Coccolithus pelagicus | Discoaster asymmetricus | Discoaster brouweri | Discoaster pentaradiatus | Discoaster surculus | Discoaster tamalis | Discoaster triradiatus | Discoaster variabilis | Emiliania huxleyi | Gephyrocapsa aperta | Gephyrocapsa caribbeanica | Gephyrocapsa oceanica | Gephyrocapsa parallela | Large Gephyrocapsa spp. | Helicosphaera carteri | Helicosphaera inversa | Helicosphaera sellii | Pontosphaera spp. | Pseudoemiliania lacunosa | Reticulofenestra asanoi | Reticulofenestra productella | Reticulofenestra pseudoumbilicus | Reticulofenestra pseudoumbilicus (5–7 µm) | Reticulofenestra spp. (<3 µm) | Reticulofenestra spp. (3–5 µm) | Rhabdosphaera clavigera | Scyphosphaera spp. | Sphenolithus abies | Syracosphaera spp. | Thoracosphaera spp. | Umbilicosphaera rotula | Umbilicosphaera sibogae | Event |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 306-U1313D- | ||||||||||||||||||||||||||||||||||||||||||||
| 1H-CC | NN21 | V | G | A | C | F | C | C | R | C | C | R | F | C | A | C | C | * | C | F | F | LO H. inversa; FO E huxleyi(?) | ||||||||||||||||||||||
| 2H-CC | NN20 | V | G | C | F | C | ? | A | R | A | C | R | A | A | A | F | C | FO H. inversa | ||||||||||||||||||||||||||
| 3H-CC | NN19 | V | G | C | F | F | C | F | * | C | F | A | * | A | C | F | LO P. lacunosa | |||||||||||||||||||||||||||
| 4H-CC | 0.85 | V | G | C | F | C | ? | F | F | R | C | F | A | A | C | LO R. asanoi; FO G. parallela | ||||||||||||||||||||||||||||
| 5H-CC | 1.16 | V | G | C | R | C | C | A | R | A | A | F | FO R. asanoi | |||||||||||||||||||||||||||||||
| 6H-CC | 1.27 | V | G | F | F | R | F | C | A | C | C | R | C | A | A | F | R | C | LO H. sellii | |||||||||||||||||||||||||
| 7H-CC | V | G | C | F | R | R | F | F | F | C | F | C | F | C | A | A | A | F | C | C | ||||||||||||||||||||||||
| 8H-CC | V | G–M | C | C | C | C | F | F | C | C | F | C | C | A | A | F | FO G. oceanica, G. caribbeanica | |||||||||||||||||||||||||||
| 9H-CC | NN18 | V | G–M | C | F | R | F | C | F | * | * | F | C | C | F | * | A | A | C | LO D. brouweri | ||||||||||||||||||||||||
| 10H-CC | V | G–M | C | C | F | F | A | F | C | C | C | * | A | A | F | C | ||||||||||||||||||||||||||||
| 11H-CC | NN17 | V | G–M | F | C | C | A | R | R | * | R | C | C | C | C | * | * | A | A | * | C | LO D. pentaradiatus | ||||||||||||||||||||||
| 12H-CC | NN16 | V | G–M | C | C | C | F | C | F | C | F | R | R | C | F | F | A | A | C | LO D. surculus | ||||||||||||||||||||||||
| 13H-CC | V | G | C | C | C | R | A | F | C | C | C | F | C | F | F | C | F | A | A | F | F | A | LO D. tamalis | |||||||||||||||||||||
| 14H-CC | V | G | C | C | C | A | C | C | F | F | C | R | R | C | C | F | R | A | A | F | F | C | ||||||||||||||||||||||
| 15H-CC | V | G | C | C | A | A | F | F | F | R | C | R | R | C | F | F | F | C | A | A | F | F | ||||||||||||||||||||||
| 16H-CC | V | G | F | C | C | R | R | R | F | C | C | F | R | C | F | R | R | F | C | F | F | F | * | C | A | A | F | F | F | R | C | |||||||||||||
Notes: Abundance: V = very abundant, A = abundant, C = common, F = few, R = rare, ? = questionable, * = reworked. Preservation: G = good, M = moderate. See “Calcareous nannofossils” in the “Site U1312–U1315 methods” chapter. FO = first occurrence, LO = last occurrence.
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