Table T11 (continued).
| Core, section, interval (cm) |
Sample description |
ICr (mM) | ICP (µM) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SO4 | Ca | Na | K | Mg | Sr | Li | B | Mn | Fe | Ba | ||
| Borehole fluid (309-1256D-75R-1, 2–3) | ||||||||||||
| WST 1 | Ti coil | 27.3 | 73.4 | 404 | 4.7 | 22.5 | 166 | 65 | 380 | 10.8 | 5.9 | BD |
| WSO 1 | Overflow | 130 | 93 | 336 | 7.9 | BD | BD | |||||
| WSO 1 | Overflow (duplicate) | 129 | 91 | 333 | 7.3 | BD | BD | |||||
| WSO 1 | Overflow (average) | 129 | 92 | 334 | 7.6 | |||||||
| Borehole fluid (309-1256D-75R-1, 1–2) | ||||||||||||
| WST 2 | Ti coil | 24.4 | 58.5 | 472 | 6.1 | 23.6 | 146 | 15 | 338 | 8.1 | 75.6 | BD |
| WSO 2 | Overflow | 157 | 20 | 361 | 12.1 | BD | 1.7 | |||||
| WSO 2 | Overflow (duplicate) | 155 | 20 | 360 | 11.8 | BD | 1.9 | |||||
| WSO 2 | Overflow (average) | 22.3 | 65.0 | 513 | 6.6 | 26.1 | 156 | 20 | 361 | 11.9 | 1.8 | |
| Preferred composition of borehole fluid | 24.4 | 58.5 | 472 | 6.1 | 23.6 | 146 | 15 | 338 | ||||
| Bottom seawater (3633 mbsl) (309-1256D-75R-1, 0–1) | ||||||||||||
| WST 3 | Ti coil | 30.3 | 11.4 | 490 | 10.3 | 52.9 | 123 | 29 | 413 | BD | BD | BD |
| WSO 3 | Overflow | 125 | 33 | 394 | BD | BD | BD | |||||
| WSO 3 | Overflow (duplicate) | 125 | 33 | 392 | BD | BD | BD | |||||
| WSO 3 | Overflow (average) | 29.4 | 11.6 | 507 | 10.7 | 55.4 | 125 | 33 | 393 | |||
| Preferred composition of bottom seawater | 29.4 | 11.4 | 490 | 10.3 | 52.9 | 123 | 29 | 413 | ||||
| IAPSO | 28.9 | 10.5 | 480 | 10.5 | 54.4 | 92 | 26 | 427 | 1.0 | 0.3 | 0.1 | |
| Best estimate of uppermost basement fluid at Site 1256 | 21 | 26 | 9 | 31 | 120–220 | 18 | ||||||
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