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Table T7. Calcareous nannofossil range chart of age-diagnostic fossils, Hole C0008A. (See table notes.)

Epoch Nannofossil
zone
Core, section,
interval (cm)
Depth CSF (m) Abundance Preservation Calcidiscus macintyrei Discoaster asymmetricus Discoaster berggrenii Discoaster brouweri Discoaster pentaradiatus Discoaster quinqueramus Discoaster surculus Discoaster tamalis Discoaster triradiatus Emiliania huxleyi Gephyrocapsa spp. large (>5.5 µm) Gephyrocapsa spp. medium I (>3.5–4 µm) Gephyrocapsa spp. medium II (>4–5.5 µm) Gephyrocapsa spp. smaller (<3.5 µm) Helicosphaera sellii Pseudoemiliania lacunosa Reticulofenestra asanoi Reticulofenestra pseudoumbilicus (>7 µm) Sphenolithus abies
Top Bottom Mean
    316-C0008A-
Pleistocene NN21 1H-CC, 0–5 6.81 6.86 6.83 D G F                 F   D D D R F      
NN19 2H-CC, 4–9 16.98 17.03 17.01 D M C                     F   D F A R R F
3H-CC, 0–5 25.60 25.65 25.62 D M F                   T F   D R A   T T
Repeated NN19? 4H-CC, 6.5–11.5 35.50 35.55 35.53 D G F     T               F   D R A   R T
5H-CC, 0–5 44.78 44.83 44.80 D M T                   A   C D   A   T  
6H-CC, 56.5–61.5 54.79 54.84 54.82 D G F                   C F C D F A   R  
7H-CC, 65.5–70.5 64.35 64.40 64.38 D M F                   C F C D F A   T  
8H-CC, 0–5 72.11 72.16 72.13 A M F                   R F C D F C   T T
9H-CC, 0–5 78.47 78.52 78.50 A M C                   R F C D F C   T T
NN19 10H-CC, 0–5 90.36 90.41 90.39 D M T                   R D D D   C      
11H-CC, 0–5 100.52 100.57 100.54 A M R                   C F C A F C     T
12H-CC, 0–5 106.42 106.47 106.45 D P R     R             R F A D   C      
13H-CC, 0–5 118.19 118.24 118.21 D M R   T R             F C A D F C   R R
14H-CC, 51.5–56.5 119.52 119.57 119.54 D P F     R             R C A D R C   R F
15H-CC, 0–5 127.22 127.27 127.25 F P R                   R F F F   R   R R
16H-CC, 0–5 129.66 129.71 129.68 D M R     R             R C A D R C   R F
17H-CC, 18.5–23.5 141.31 141.36 141.34 A P R     R             T C C C R C     R
18H-CC, 25–30 148.70 148.75 148.73 A P R     R             T C C C R C     R
19H-CC, 12.5–17.5 152.66 152.71 152.69 D M T                 F? R C A C R C   R  
20H-CC, 0–5   158.53 158.53 D P R                     C A D R C   R T
21H-3, 30   161.84 161.84 D P R     R               C C C   C     R
21H-CC, 29–34 169.23 169.28 169.25 T P                               T      
22H-CC, 5–10 178.51 178.56 178.54 C P R                     C C C   C   R  
23H-CC, 7.5–12.5 186.18 186.23 186.21 C P C     R               C C C F C   R R
24H-CC, 0–5 197.92 197.97 197.95 C M C                     F   C R C   R  
25H-1, 78   197.51 197.51 C M F                     F   C R C   T T
25H-CC, 0–5 201.70 201.75 201.72 C P F                         C R C   T T
26H-CC, 0–5   205.99 205.99 C M F                     F   C R C   T T
27H-CC, 0–5 219.54 219.59 219.56 F P R                     R   F   F   T T
28H-CC, 0–5 224.55 224.60 224.58 B                                        
29X-CC, 0–5 234.06 234.11 234.08 D P F                     F   C R A   T T
30X-5, 60   238.91 238.91 A M C                         F R C   T T
30X-CC, 0–5 242.69 242.74 242.71 B                                        
31X-CC, 0–5 254.08 254.13 254.10 D M C                     F   C R A   R F
Pliocene NN18 32X-5, 77   259.22 259.22 C M C   T C         F         F F C   R T
32X-CC, 2.5–7.5 264.15 264.20 264.17 T P T                             T      
33X-3, 25   265.64 265.64 C M C     T               F   F F C   R T
NN17 33X-CC, 0–5 269.61 269.66 269.64 F P F T   F T                 R   F      
34X-CC, 0–5 272.84 272.89 272.86 C M C     R               R   F F C   R T
NN16 35X-1, 2   281.78 281.78 C M C R   F R   R T       R   F F C   R  
35X-CC, 34–39 282.33 282.38 282.35 T P                               T      
36X-CC, 18–23 291.67 291.72 291.69 C P C     F F   R             F F R   R T
Falling? NN11? 38X-CC, 0–5 310.71 310.76 310.74 C P F     T T             R R F R C   R  
40X-CC, 10–11 329.35 329.36 329.36 D P C   T T   T                       C A

Notes: CSF = core depth below seafloor. Abundance: D = dominant, A = abundant, C = common, F = few, R = rare, T = trace, B = barren. Preservation: M = medium, P = poor. ? = uncertain determination.

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