Table T8. Distribution and relative abundances of selected diatom species, Holes 1151C and 1151D.
Leg | Site | Hole | Core | Type | Section | Top (cm) | Bottom (cm) | Depth (mbsf) | Diatom zones |
NPD | Preservation | Group abundance | Actinocyclus curvatulus | Actinocyclus oculatus | Actinoptychus senarius | Azpeitia nodulifera | Bacterosira fragilis | Coscinodiscus marginatus | Denticulopsis katayamae | Denticulopsis simonsenii | Fragilariopsis doliolus | Neodenticula koizumii | Neodenticula kamtschatica | Neodenticula seminae | Nitzschia reinholdii | Paralia sulcata | Proboscia barboi | Proboscia curvirostris | Rhizosolenia hebetata | Stephanopyxis turris | Thalassionema nitzschioides | Thalassiosira antiqua | Thalassiosira gravida | Thalassiosira jouseae | Thalassiosira latimarginata | Thalassiosira lineata | Thalassiosira oestrupii | Thalassiothrix longissima | Chaetoceros spp. (resting spores) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
186 | 1151 | C | 1 | H | CC | 13 | 18 | 2.10 | N. seminae | 12 | G | A | R | C | R | F | F | R | R | R | C | ||||||||||||||||||
186 | 1151 | C | 2 | H | CC | 23 | 28 | 12.10 | N. seminae | 12 | G | C | F | R | C | R | F | F | r | R | R | R | |||||||||||||||||
186 | 1151 | C | 3 | H | CC | 20 | 25 | 21.44 | N. seminae | 12 | G | A | F | F | C | F | F | F | F | R | A | ||||||||||||||||||
186 | 1151 | C | 4 | H | 4 | 70 | 70 | 26.43 | P. curvirostris | 11 | M | A | R | R | R | R | R | C | R | R | F | ||||||||||||||||||
186 | 1151 | C | 4 | H | CC | 39 | 44 | 31.58 | P. curvirostris | 11 | G | A | R | r | T | F | F | R | R | F | F | T | C | ||||||||||||||||
186 | 1151 | C | 5 | H | CC | 8 | 13 | 40.31 | P. curvirostris | 11 | G | A | R | R | R | r | C | F | R | F | R | R | C | ||||||||||||||||
186 | 1151 | C | 6 | H | CC | 13 | 18 | 50.10 | P. curvirostris | 11 | G | A | R | R | T | F | R | F | C | T | R | C | |||||||||||||||||
186 | 1151 | C | 7 | H | CC | 15 | 20 | 59.46 | P. curvirostris | 11 | G | A | R | T | R | C | R | R | C | F | C | ||||||||||||||||||
186 | 1151 | C | 8 | H | CC | 27 | 32 | 69.30 | P. curvirostris | 11 | M | C | T | F | R | F | F | F | R | F | |||||||||||||||||||
186 | 1151 | C | 9 | H | 5 | 70 | 70 | 75.40 | P. curvirostris | 11 | G | C | R | R | r | R | T | R | F | F | R | F | |||||||||||||||||
186 | 1151 | C | 9 | H | CC | 19 | 24 | 78.38 | A. oculatus | 10 | G | A | R | F | R | R | r | F | T | R | F | F | F | R | R | C | |||||||||||||
186 | 1151 | C | 10 | H | CC | 29 | 34 | 88.38 | A. oculatus | 10 | G | A | C | R | F | R | R | R | R | F | F | F | |||||||||||||||||
186 | 1151 | C | 11 | H | 4 | 70 | 70 | 92.90 | A. oculatus | 10 | G | A | R | F | C | R | T | F | F | F | F | F | |||||||||||||||||
186 | 1151 | C | 11 | H | CC | 13 | 18 | 97.55 | N. koizumii | 9 | G | A | F | R | F | C | R | T | R | R | F | F | R | C | |||||||||||||||
186 | 1151 | D | 1 | H | CC | 25 | 30 | 7.51 | N. seminae | 12 | G | A | R | T | F | C | F | F | R | F | R | R | R | F | |||||||||||||||
186 | 1151 | D | 2 | H | CC | 23 | 28 | 17.44 | N. seminae | 12 | G | A | F | F | F | F | R | C | R | R | R | R | F | ||||||||||||||||
186 | 1151 | D | 3 | H | 4 | 70 | 70 | 22.20 | N. seminae | 12 | G | C | R | F | R | R | F | T | F | ||||||||||||||||||||
186 | 1151 | D | 3 | H | CC | 25 | 30 | 26.88 | P. curvirostris | 11 | G | C | T | R | r | R | R | T | R | F | F | T | R | R | C | ||||||||||||||
186 | 1151 | D | 4 | H | CC | 24 | 28 | 36.42 | P. curvirostris | 11 | G | A | R | R | R | F | R | R | F | C | F | R | R | A | |||||||||||||||
186 | 1151 | D | 5 | H | CC | 23 | 28 | 45.71 | P. curvirostris | 11 | G | C | R | R | R | T | R | F | R | F | F | F | |||||||||||||||||
186 | 1151 | D | 6 | H | CC | 23 | 28 | 55.37 | P. curvirostris | 11 | G | C | T | F | R | R | R | F | F | R | C | ||||||||||||||||||
186 | 1151 | D | 7 | H | CC | 7 | 12 | 64.56 | P. curvirostris | 11 | G | A | F | C | R | R | F | F | R | R | C | ||||||||||||||||||
186 | 1151 | D | 8 | H | CC | 24 | 29 | 74.63 | P. curvirostris | 11 | G | A | R | F | C | F | R | F | F | R | F | R | F | ||||||||||||||||
186 | 1151 | D | 9 | H | CC | 24 | 28 | 83.43 | A. oculatus | 10 | G | A | F | R | F | R | F | F | T | R | F | ||||||||||||||||||
186 | 1151 | D | 10 | H | CC | 16 | 20 | 93.27 | N. koizumii | 9 | G | C | R | F | T | F | F | R | R | F | R | F | T | R | C |
Notes: NPD = North Pacific diatom zones, G = good, M = moderate, A = abundant, R = rare, C = common, F = few, r = reworking, T = trace. This table is also available in ASCII format.