Table T5. Calcareous nannofossil range-distribution chart and nannofossil zonation for Holes 1042A and 1042B.
| Calcareous nannofossil zone(s) | Core, section, interval (cm) | Depth (mbsf) | Abundance | Preservation | Small reticulofenestrids | Calcidiscus leptoporus | Coccolithus miopelagicus | Cyclicargolithus floridanus | Discoaster quinqueramus | Helicosphaera carteri | Sphenolithus heteromorphus | Sphenolithus moriformis | Sphenolithus verensis | Discoaster brouweri | Discoaster variabilis | Helicosphaera sellii | Reticulofenestra pseudoumbilicus | Coccolithus pelagicus | Gephyrocapsa caribbeanica | Coccolithus pelagicus | Calcidiscus macintyrei | Discoaster berggrenii | Discoaster deflandrei | Helicosphaera ampliaperta |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Unable to delineate zones because of sparse nannofossils and lack of stratigraphic continuity | ||||||||||||||||||||||||
1R-CC |
49.93 |
F |
P |
F |
F |
R |
||||||||||||||||||
2R-CC |
97.73 |
R |
P |
R |
R |
|||||||||||||||||||
3R-CC |
156.26 |
F |
P |
F |
F |
R |
F |
F |
R |
R |
R |
R |
||||||||||||
4R-CC |
203.92 |
B |
||||||||||||||||||||||
5R-CC |
212.88 |
B |
||||||||||||||||||||||
6R-CC |
223.18 |
R |
P |
R |
R |
|||||||||||||||||||
7R-CC |
231.65 |
R |
P |
R |
R |
R |
R |
R |
R |
R |
R |
|||||||||||||
170-1042B-
|
||||||||||||||||||||||||
3R-CC |
333.26 |
A |
M |
A |
A |
A |
A |
A |
A |
C |
A |
R |
C |
A |
||||||||||
5R-CC |
354.72 |
F |
P |
F |
F |
F |
F |
R |
R |
|||||||||||||||
6R-CC |
363.14 |
R |
P |
R |
R |
R |
R |
|||||||||||||||||
8R-CC |
383.47 |
F |
P |
F |
F |
F |
F |
F |
A |
F |
Notes: Abundance: H = highly abundant; V = very abundant; A = abundant; C = common; F = few; R = rare; B = barren. Preservation: P = poor; M = moderate; G = good.