Table T5. Distribution of calcareous nannofossils, Hole U1304D.
Core, section | Age (Ma) | Abundance | Preservation | Calcidiscus leptoporus | Calcidiscus macintyrei | Ceratolithus spp. | Coccolithus streckerii | Coccolithus pelagicus | Cyclolithella annula | Discolithina japonica | Discolithina spp. | Emiliania huxleyi | Gephyrocapsa caribbeanica | Gephyrocapsa oceanica | Gephyrocapsa parallela | Gephyrocapsa spp. (large) | Gephyrocapsa spp. (small) | Helicosphaera carteri | Helicosphaera hyalina | Helicosphaera sellii | Helicosphaera cf. wallichii | Oolithotus antillarum | Pseudoemiliania lacunosa | Reticulofenestra asanoi | Reticulofenestra spp. (small) | Rhabdosphaera clavigera | Rhabdosphaera stylifera | Scapholithus fossilis | Syracosphaera pulchra | Umbilicosphaera sibogae | Reworked species | Nannofossil datum age (Ma) | MIS | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Reticulofenestra gartneri | Reticulofenestra umbilicus | Cribrosphaerella ehrenbergii | Watznaueria barnesae | |||||||||||||||||||||||||||||||||
303-U1304D- | ||||||||||||||||||||||||||||||||||||
1H-CC | 0~0.41 | A | G | R | C | R | R | R | A | R | F | + | R | |||||||||||||||||||||||
2H-CC | 0.41~0.85 | A | G | R | R | ? | R | R | R | A | R | C | F | R | + | |||||||||||||||||||||
3H-CC | 0.41~0.85 | A | G | R | R | R | R | A | R | R | C | + | ||||||||||||||||||||||||
4H-CC | 0.41~0.85 | A | G | R | R | + | R | R | R | A | R | R | C | + | R | |||||||||||||||||||||
5H-CC | 0.41~0.85 | A | G | R | R | + | + | + | R | + | A | R | R | C | R | |||||||||||||||||||||
6H-CC | 0.41~0.85 | A | G | R | R | + | R | F | F | R | A | R | + | |||||||||||||||||||||||
7H-CC | 0.41~0.85 | A | G | R | R | R | + | R | A | R | R | r? | C | R | + | |||||||||||||||||||||
8H-CC | 0.41~0.85 | A | G | R | + | R | A | R | R | F | R | |||||||||||||||||||||||||
9H-CC | 0.85~0.95 | A | G | R | + | R | + | + | F | R | F | R | A | + | R | + | ||||||||||||||||||||
10H-CC | 0.85~0.95 | A | G | R | + | + | R | R | + | + | R | R | + | + | R | F | C | + | R | + | r | |||||||||||||||
11H-CC | 0.95~1.16 | A | G | F | F | C | R | + | F | F | C | + | + | |||||||||||||||||||||||
12H-CC | 0.95~1.16 | A | G | F | R | F | R | F | R | C | + | R | + | r | r | |||||||||||||||||||||
13H-CC | 1.21~1.45 | C | G | F | + | + | R | R | R | F | F | C | + | F | C | + | + | r | ||||||||||||||||||
14H-CC | 1.21~1.45 | F | P | + | + | + | + | + | R | F | R | R | + | |||||||||||||||||||||||
15H-CC | 1.21~1.45 | R | M | + | + | + | + | R | R | R | R | + | + | R | r | |||||||||||||||||||||
16H-CC | 1.45~1.65 | A | G | R | F | + | R | F | C | C | F | + | F | + | R | C | R | r | r | r | r | |||||||||||||||
17H-CC | 1.45~1.65 | A | G | R | + | F | + | + | R | F | F | R | R | R | C | R | ||||||||||||||||||||
18H-CC | 1.45~1.65 | A | G | R | + | F | R | R | R | C | + | R | R | C | + | R | ||||||||||||||||||||
19H-CC | 1.45~1.65 | C | M | + | + | R | R | + | C | F | F | + | + | |||||||||||||||||||||||
20H-CC | 1.73~1.97 | F | M | + | + | + | R | + | + | + | F | + | R | C | + | + | ||||||||||||||||||||
21H-CC | 1.73~1.97 | C | G | + | + | + | C | + | R | F | R | C | A | R |
Notes: Abundance: A = abundant, C = common, F = few, R = rare, + = present, r = reworked. Preservation: G = good, M = moderate, P = poor. MIS = marine isotope stage (as per Wei, 1993; Sato et al., 1999).
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