Initial Reports Volume 190 Chapter 5, Table 11. Calcareous nannofossil range chart, Zones NN21b-NN19. Notes: D = dominant, A = abundant, C = common, F = few, R = rare, P = poor, M = moderate, G = good. See "Biostratigraphy," p. 9, in the "Explanatory Notes" chapter. Epoch Zones Core, section, interval (cm) Depth (mbsf) Preservation Abundance Braarudosphaera bigelowii Calcidiscus tropicus Calcidiscus leptoporus Calcidiscus macintyrei Ceratolithus cristatus Ceratolithus cristatus var. telesmus Coccolithus pelagicus Coccolithus pelagicus (with bar) Cyclolithus annulus Discoaster brouweri Discoaster pentaradiatus Discoaster spp. Discoaster variabilis Discosphaera tubifera Emiliania huxleyi Florisphaera profunda Gephyrocapsa muellerae Gephyrocapsa oceanica Gephyrocapsa spp. (<2 micrometers) Hayaster perplexus Helicosphaera carteri Helicosphaera carteri var. walichii Helicosphaera inversa Helicosphaera sellii Holodiscolithus macroporus Neosphaera coccolithomorpha Oolithotus fragilis Pontosphaera discopora Pontosphaera japonica Pontosphaera multipora Pseudoemiliania lacunosa Pseudoemiliania ovata Reticulaofenestra asanoi Reticulofenestra pseudoumbilicus (>7 ?m) Reticulofenestra pseudoumbilicus (5-7 ?m) Reticulofenestra spp. Reticulofenstra minuta Reticulofenstra minutula Rhabdosphaera clavigera Rhabdosphaera clavigera var. stylifera Scapholithus fossilis Scyphosphaera spp. Solidopons petrae Sphenolithus grandis Sphenolithus spp. Syracosphaera pulchra Syracosphaera spp. Umbellosphaera irregularis Umbellosphaera tenuis Umbilicosphaera hulburtiana Umbilicosphaera rotula Umbilicosphaera sibogae var. foliosa Umbilicosphaera sibogae var. sibogae Pleistocene 190-1174A- NN21b 1H-CC M C C F D C C A C F F F F F F F 2H-CC M F R R F R D C C A F F R F F C R F F C 3H-CC G C F R F F D C C A C F R R F F F F F F F C 4H-CC G C F R R R D C C A F C F F F F F F F F F 5H-CC M C F R R R D C C A F F R F F 7H-CC P R C D C A A C C F F C NN21a 8H-2, 74-75 63.02 P R A C A D A C 8H-CC P F C F C A A C C 1R-6, 75-76 149.38 P F C A A A A A C C C 1R-CC P F C A C A A C C C C C C 2R-CC M C C F R F F A A C A C F C C F F C 3R-CC M F C F A C A A C F R F F C F F C NN20 4R-CC M C R C R R R A A A A R R R F 5R-CC P R D 6R-CC P F F F F C C A D F F 7R-CC M C F A C A D R R R F F 8R-CC P F F A C C D F R R F F F 9R-CC P F C C A A A C C 10R-CC M F F C A C D F F F F F 11R-CC M C F R A C C D F R F 12R-CC M F F A C C D R F R R F R 13R-CC M F F A C C D R C R F F 14R-CC M F F R A A C D F F F R F F 15R-CC M F F R A C C D F F F F R F F R R F 16R-CC M R F R R A C A D R R R NN19 17R-CC M F C R R R F A A A A C F R F F 18R-CC P R F C C A C D C C C 19R-CC P C F F C A A D F R F F C F F F F F C 20R-CC M F C C A C D C F F F F R R F 21R-CC P R C R F C A C D R F R F F 22R-CC M C C F R A A C D F F F R F F F F 23R-2, 73-74 354.23 P F C R F C A C D R F F R F F F 24R-CC M F F R R C C C D F R R R R R R R F 25R-CC M F F R R C A A D F C C F F R R F 26R-CC P R F R F C A A C A R F F F F F F F 27R-CC B Pleistocene NN19 28R-CC M F C R F C A A D F R R R F F R 29R-CC M F F F F C A A D R F R F F F 30R-CC P R C A A A C 31R-CC P R D C C C C 32R-CC P R C C D A C C F 33R-CC P R A D C A C R F C 34R-CC P C C A D C F C F R 35R-CC P C F A D A C C 36R-CC M F F C A C D F R R F F F F R 37R-CC M C R R D C A C C F R R 38R-CC M C F R C D C A C F F 39R-CC M C R F A D A A F F R R 40R-CC P R R D C C C C C F C F F F 41R-CC M R D 42R-CC B 43R-CC P R F A A C D F F C F F C F 44R-3, 75-76 556.65 P F F C A A A C A C F 44R-CC P R C C A C A C C C C A C 45R-CC P R A C A A C A A A 46R-CC M C C R R C C D F R F R C C C F 47R-4, 56-57 586.96 M C F R R C C D R R F C C F F 47R-CC P C C C F C D F C C R C F F 48R-CC P F C F A F A D F F C C F F 49R-CC B 50R-CC P F C F C C A D F C C F F F F 51R-CC P F F F R A A C A R C F R R F F 52R-CC P C F C F R F A F C A F R F F A C A R F F F 53R-3, 79-80 643.59 P F C F C A D C C A C C 53R-CC P R C F R F D C A C C C Table 1174-E4A (continued). Epoch Zones Core, section, interval (cm) Depth (mbsf) Preservation Abundance Scapholithus fossilis Scyphosphaera spp. Solidopons petrae Sphenolithus grandis Sphenolithus spp. Syracosphaera pulchra Syracosphaera spp. Umbellosphaera irregularis Umbellosphaera tenuis Umbilicosphaera hulburtiana Umbilicosphaera rotula Umbilicosphaera sibogae var. foliosa Umbilicosphaera sibogae var. sibogae Pleistocene NN19 28R-CC M F 29R-CC M F 30R-CC P R 31R-CC P R 32R-CC P R 33R-CC P R 34R-CC P C 35R-CC P C 36R-CC M F 37R-CC M C 38R-CC M C 39R-CC M C 40R-CC P R 41R-CC M R 42R-CC B 43R-CC P R 44R-3, 75-76 556.65 P F 44R-CC P R 45R-CC P R 46R-CC M C 47R-4, 56-57 586.96 M C 47R-CC P C 48R-CC P F 49R-CC B 50R-CC P F 51R-CC P F 52R-CC P C 53R-3, 79-80 643.59 P F 53R-CC P R