Table 7. Calcareous nannofossil range distribution chart for Hole 1040B. "Notes: Abbreviations for abundances are as follows: A = abundant, C = common, F = few, B = barren, and lowercase letters = reworked." "Abbreviations for preservation are as follows: G = good, M = moderate, and P = poor. For abundance and preservation definitions, refer to the" """Explanatory Notes"" chapter (this volume)." Calcareous nannofossil zone "Hole, core, section" Depth (mbsf) Abundance Preservation Discoaster surculus Helicosphaera carteri Coccolithus miopelagicus Pontosphaera discopora Calcidiscus leptoporus Calcidiscus macintyrei Discoaster berggrenii Helicosphaera sellii Sphenolithus abies/neoabies Sphenolithus moriformis Hayaster perplexus Reticulofenestra pseudoumbilicus Discoaster variabilis Sphenolithus verensis Emiliania huxleyi Gephyrocapsa caribbeanica Gephyrocapsa oceanica Sphenolithus heteromorphus six-rayed discoasters small reticulofenestrids unidentifiable helicosphaerids 1040B-1H-CC 5.49 A M C r F C A C r NN21 1040B-2H-CC 14.02 C M F F F C F r C 1040B-3X-CC 14.25 R P R 1040B-5X-CC 31.89 A P R A 1040B-6X-CC 39.01 R P F R 1040B-7X-CC 46.5 F P F R F C F 1040B-8X-CC 56.4 F P R R F 1040B-9X-CC 73.04 R P R 1040B-10X-CC 79.63 R P R 1040B-11X-CC 93.84 R P R ? 1040B-12X-CC 98.48 F P C F 1040B-13X-CC 106.9 C P R R R F R R R C C F 1040B-14X-CC 112.33 R P R R F 1040B-15X-CC 120.86 R P R R 1040B-16X-8 132.43 R P R R 1040B-17X-CC 135.42 B 1040B-18X-CC 147.17 B 1040B-19X-CC 160.7 B 1040B-20X-CC 171.11 B 1040B-21X-CC 179.26 B