Table T2. Sediment Ba, Rb, and Cs concentrations.
Core, section,
interval (cm)
Depth
(mbsf)
Lithology
Ba
(ppm)
Rb
(ppm)
Cs
(ppm)
170-1039B-
1H-1, 145–150 1.45 Diatomaceous ooze with interbedded silt, sand 400.0 ND ND
2H-5, 140–150 9.45 Diatomaceous ooze with radiolarians 1786 38.68 2.95
4H-5, 140–150 28.45 Siliceous ooze with minor ash 1598 ND ND
5H-4, 140–150 36.45 Silty siliceous and diatomaceous ooze 1834 31.76 2.37
6H-4, 140–150 45.93 Siliceous ooze with minor ash 1148 ND ND
8H-4, 140–150 64.95 Siliceous ooze with minor ash 1804 ND ND
14X-3, 135–150 117.53 Silty clay with radiolarians and diatoms 2852 54.33 2.52
16X-3, 135–150 136.55 Clay with calcareous layers and ash 4512 39.98 2.26
19X-5, 135–150 168.45 Clayey biogenic ooze 7408 16.93 1.02
23X-5,135–150 206.85 Nannofossil ooze with diatoms 2394 1.851 0.135
27X-4, 135–150 243.85 Siliceous nannofossil ooze 2067 1.856 0.153
37X-5, 130–150 341.70 Siliceous nannofossil ooze 2165 4.19 0.123
40X-6, 130–150 372.00 Matrix supported breccia, biogenic ooze 2216 6.825 0.243
170-1039C-
5R-1, 0–6 401.50 Nannofossil ooze with diatoms 1724 10.72 0.381
7R-1, 85–100 421.65 Diatomaceous nannofossil ooze 2580 4.208 0.347
205-1253A-




2R-2, 85–104 378.10 Clay with nannofossils and ash 2134 13.44 2.71
3R-1, 7–23 385.40 Nannofossil chalk with foraminifers + clay rich laminations 1413 8.404 0.044
4R-3, 91–93 398.80 Silicic ash with clay and opaques ("big white ash" 572.4 4.980 0.053
4R-3, 100–120 399.00 Nannofossil chalk with clay and volcanic ash 93.19 1.969 0.268
10R-2, 59–73 432.10 Volcanic ash, nannofossils, clay mixed sediment 3180 2.612 BDL
11R-1, 81–96 437.00 Claystone with zeolites and spicules 2372 2.322 BDL
25R-1, 0–3 513.02 "Baked sediment" claystone with recrystallized calcite 281.2 0.4317 ND
27R-1, 7.5–9.0 519.34 "Baked sediment" claystone with recrystallized calcite and quartz 154.1 1.143 0.102
42R-2, 96–100 592.38 Green clay and zeolite vein 1.979 0.6167 BDL
205-1254A-
8R-4, 0–45 217.90 Claystone 771.4 31.68 1.27
12R-1, 101–141 330.10 Calcite-rich claystone 269.1 31.49 1.30
14R-3, 0–40 351.00 Claystone with silt, ash, and opaques 277.0 29.73 1.17
16R-3, 49–89 366.40 Claystone with ash and diatoms 1614 ND ND
170-1040C-
23R-1 115–150 372.15 Dark olive-green silty clay with diatoms 1509 34.04 1.79
24R-2, 120–150 383.45 Sandy siltstone with diatoms 1221 ND ND
25R-1, 125–150 391.58 Olive-green diatomaceous ooze with ash 1417 37.90 2.47
26R-1, 125–150 401.18 Diatomaceous silty clay 1371 ND ND
27R-3, 125–150 413.78 Siliceous mudstone with ash 1176 ND ND
30R-2, 125–150 441.05 Olive-green silty claystone 1147 35.98 1.74
31R-3, 125–150 452.18 Light grayish green silty claystone with ash 2351 38.29 1.74
32R-6, 14–17 465.04 Calcareous claystone with diatoms and ash 2284 36.84 1.72
35R-3, 132–150 490.82 Claystone with vitric ash and diatoms 9971 28.33 1.45
38R-3, 130–150 519.70 Siliceous nannofossil chalk 1562 1.440 0.184
46R-2, 130–150 595.20 Green diatomaceous chalk 2309 2.711 0.218
48R-6, 130–150 620.50 Diatomite with calcareous nannofossils 1397 3.662 0.214
50R-3, 130–150 635.20 Diatomite with nannofossils and ash 2796 8.073 0.364
52R-2, 74–80 652.27 Olive-green chalk with accessory zircon 514.1 0.7434 0.133

Note: ND = no data, BDL = below detection limit.