IODP Proceedings, Volume 317 Site U1353, Table T10. Diatom abundance, preservation, and distribution, Site U1353. Notes: Abundance: C = common, B = barren, R = rare, X = present. Preservation: M = moderate, P = poor, — = no data. Core, section Top depth CSF-A (m) Abundance Preservation Marine Coscinodiscus marginatus Grammatophora sp. Hyalodiscus sp. Thalassiosira oestrupii Thalassiosira spp. Coastal upwelling Resting spores of Chaetoceros Coastal Paralia sulcata Thalassionema nitzschioides Fresh or brackish water Gen. et sp. indet. Comments 317-U1353A- 1H-CC 5.44 C M X X X C X 2H-CC 9.33 B — 3H-CC 17.95 B — 4H-CC 26.72 B — 5H-CC 34.08 B — 6H-CC 41.37 B — 7H-CC 48.33 B — 8H-CC 55.97 X P 317-U1353B- 1H-CC 7.94 C M X X X X R C X 2H-CC 16.90 B — 3H-CC 26.06 B — 4H-CC 27.67 B — 5H-CC 35.53 B — 6H-CC 43.15 B — 7H-CC 48.91 B — 8H-CC 56.84 B — 9H-CC 61.90 B — 10H-CC 67.50 B — 11H-CC 73.19 B — 12H-CC 80.12 X P X Caved 13H-CC 80.20 B — X X 14X-CC 80.77 B — 16X-CC 97.20 B — 17H-CC 106.80 B — 18X-CC 108.44 B — 19H-CC 117.04 X P X Caved 20H-CC 119.16 B — All samples barren from Sections 20H-CC through 98X-CC 21H-CC 121.16 B — 23H-CC 135.71 B — 24H-CC 139.67 B — 25H-CC 142.86 B — 26H-CC 147.39 B — 27H-CC 149.68 B — 28H-CC 152.95 B — 29H-CC 158.06 B — 30H-CC 161.36 B — 31X-CC 161.67 B — 32X-CC 164.10 B — 33H-CC 177.00 B — 34H-CC 181.79 B — 35H-CC 182.50 B — 36H-CC 187.79 B — 37H-CC 190.06 B — 38H-CC 192.96 B — 39H-CC 196.38 B — 40H-CC 201.40 B — 41H-CC 202.79 B — 42H-CC 204.98 B — 43H-CC 206.27 B — 44X-CC 206.42 B — 45H-CC 220.75 B — 46H-CC 225.76 B — 47H-CC 228.68 B — 48H-CC 232.08 B — 50X-CC 233.66 B — 51H-CC 242.90 B — 52H-CC 245.06 B — All samples barren from Sections 20H-CC through 98X-CC 53H-CC 245.83 B — 54H-CC 248.31 B — 55H-CC 250.14 B — 56H-CC 251.63 B — 57H-CC 253.50 B — 58H-CC 254.83 B — 59H-CC 256.04 B — 60H-CC 257.69 B — 61X-CC 258.07 B — 62X-CC 263.44 B — 63X-CC 270.91 B — 64X-CC 280.08 B — 65X-CC 290.38 B — 66X-CC 300.33 B — 67X-CC 308.27 B — 68X-CC 319.07 B — 69X-CC 327.80 B — 70X-CC 337.33 B — 71X-CC 347.11 B — 72X-CC 355.94 B — 73X-CC 365.69 B — 74X-CC 374.99 B — 75X-CC 385.12 B — 76X-CC 394.23 B — 78X-CC 413.77 B — 79X-CC 423.24 B — 80X-CC 432.63 B — 81X-CC 442.22 B — 83X-CC 461.26 B — 85X-CC 480.64 B — 86X-CC 490.21 B — 87X-CC 500.16 B — 88X-CC 510.52 B — 89X-CC 518.66 B — 90X-CC 528.87 B — 91X-CC 537.83 B — 92X-CC 547.28 B — 93X-CC 557.25 B — 94X-CC 566.41 B — 96X-CC 585.91 B — 97X-CC 595.20 B — 98X-CC 604.60 B —