Table T39. Drilling mud and predicted contamination with nonindigenous cells in cuttings, compared to data from direct cell counts, Expedition 337.
| Sample number* |
Depth MSF (m) |
Concentration (µL drilling mud/ g cuttings) |
Drilling mud in pore water (%) |
Predicted contamination (cells/cm3) |
Direct cell counts (cells/cm3) |
|---|---|---|---|---|---|
| 337-C0020A- | |||||
| 25-SMW | 646.5 | 46.4 | 10.9 | 1.9E+07 | 1.6E+07 |
| 30-SMW | 696.5 | 57.4 | 14.6 | 2.4E+07 | 2.6E+07 |
| 35-SMW | 746.5 | 59.7 | 15.4 | 2.5E+07 | 3.4E+07 |
| 40-SMW | 796.5 | 52.2 | 13.8 | 2.2E+07 | 3.0E+07 |
| 45-SMW | 846.5 | 72.3 | 19.1 | 3.1E+07 | 2.4E+07 |
| 56-SMW | 896.5 | 49.4 | 13.1 | 2.1E+07 | 3.2E+07 |
| 61-SMW | 946.5 | 32.8 | 9.5 | 1.5E+07 | 6.7E+07 |
| 66-SMW | 996.5 | ND | ND | ND | ND |
| 73-SMW | 1046.5 | 18.1 | 5.2 | 8.1E+06 | 4.7E+07 |
| 81-SMW | 1096.5 | 239.8 | 86.8 | 1.2E+08 | 4.3E+07 |
| 90-SMW | 1196.5 | 6.2 | 2.4 | 3.1E+06 | ND |
| 98-SMW | 1256.5 | 18.5 | 5.7 | 8.6E+06 | ND |
| 116-SMW | 1296.5 | 42.5 | 12.4 | 1.9E+07 | ND |
| 122-SMW | 1346.5 | 89.4 | 36.3 | 4.5E+07 | ND |
| 124-SMW | 1356.5 | 141.4 | 75.3 | 7.6E+07 | ND |
| 131-SMW | 1396.5 | 75.3 | 32.4 | 3.8E+07 | ND |
| 136-SMW | 1446.5 | 43.4 | 30.9 | 2.5E+07 | ND |
| 153-SMW | 1496.5 | 28.0 | 10.2 | 1.3E+07 | ND |
| 158-SMW | 1546.5 | 44.4 | 13.2 | 2.0E+07 | ND |
| 170-SMW | 1596.5 | 297.3 | 91.4 | 1.3E+08 | ND |
| 192-SMW | 1646.5 | 422.5 | 137.3 | 1.9E+08 | ND |
| 198-SMW | 1696.5 | 303.1 | 124.4 | 1.5E+08 | ND |
| 205-SMW | 1736.5 | 214.7 | 83.3 | 1.1E+08 | ND |
| 207-SMW | 1746.5 | 54.7 | 22.8 | 2.8E+07 | ND |
| 212-SMW | 1796.6 | 496.5 | 269.5 | 2.7E+08 | ND |
| 220-SMW | 1846.5 | 21.5 | 9.6 | 1.1E+07 | ND |
| 226-SMW | 1896.5 | 20.9 | 7.4 | 1.0E+07 | ND |
| 242-SMW | 1946.5 | 207.9 | 62.9 | 8.6E+07 | ND |
| 254-SMW | 1996.5 | 138.9 | 56.8 | 7.1E+07 | ND |
| 261-SMW | 2046.5 | 289.3 | 139.4 | 1.5E+08 | ND |
| 267-SMW | 2096.5 | 0.2 | 0.1 | 1.2E+05 | ND |
| 274-SMW | 2146.5 | 263.8 | 91.4 | 1.3E+08 | ND |
| 285-SMW | 2196.5 | 663.3 | 298.9 | 3.4E+08 | ND |
| 290-SMW | 2246.5 | 1039.0 | 424.4 | 5.3E+08 | ND |
| 352-SMW | 2296.5 | 314.4 | 136.9 | 1.6E+08 | ND |
| 358-SMW | 2346.5 | 317.0 | 146.7 | 1.7E+08 | ND |
| 369-SMW | 2396.5 | 357.6 | 118.2 | 1.7E+08 | ND |
| 390-SMW | 2446.5 | 203.8 | 60.5 | 9.2E+07 | ND |
| 391-SMW | 2456 | 175.7 | 79.8 | 9.0E+07 | ND |
* = see MISC_MATERIAL_SAMPLE_LIST.XLSX in GEOCHEM in “Supplementary material.” ND = not determined.
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