Table T19. Hole 801C cores analyzed for PFT microbiological contamination studies.
| Core, section |
Lithology | Position | Weight (g) |
PFT (g) |
Drilling fluid (mL) |
Drilling fluid/rock (mL/g) |
| Igneous rocks: |
|
|
||||
| 185-801C- |
|
|
||||
| 37R-1 | Basalt, methanol* |
Interior
|
0.93
|
2.8E-11 | 2.8E-05 | 3.0E-05 |
|
Interior
|
1.60
|
2.0E-11 | 2.0E-05 | 1.2E-05 | ||
| 37R-3 | Basalt, water* |
Interior
|
2.09
|
1.8E-11 | 1.8E-05 | 8.7E-06 |
|
Interior
|
2.69
|
2.7E-11 | 2.7E-05 | 9.9E-06 | ||
| 37R-4 | Basalt, flame* |
Interior
|
2.79
|
3.3E-11 | 3.3E-05 | 1.2E-05 |
|
Interior
|
1.89
|
2.9E-11 | 2.9E-05 | 1.5E-05 | ||
|
Interior
|
2.44
|
1.8E-11 | 1.8E-05 | 7.5E-06 | ||
| 37R-6 | Basalt, whole rock |
Exterior
|
2.71
|
9.3E-11 | 9.3E-05 | 3.4E-05 |
|
Exterior
|
1.27
|
5.8E-11 | 5.8E-05 | 4.6E-05 | ||
|
Exterior
|
1.94
|
6.4E-11 | 6.4E-05 | 3.3E-05 | ||
|
Exterior
|
7.22
|
1.0E-10 | 1.0E-04 | 1.4E-05 | ||
| 185-1149C- |
|
|
||||
| 9R-1 | Basalt, flame* |
Interior
|
7.93
|
1.1E-11 | 1.1E-05 | 1.4E-06 |
|
Interior
|
6.72
|
4.5E-10 | 4.5E-04 | 6.8E-05 | ||
| Basalt, whole rock |
Exterior
|
6.83
|
6.0E-09 | 6.0E-03 | 8.8E-04 | |
|
Exterior
|
5.92
|
2.0E-08 | 2.0E-02 | 3.3E-03 |
Notes: PFT = Perfluorocarbon tracer. * = samples were treated with specified method to remove PFT before isolation of interior rock. Table modified from Smith et al., (in press). This table is also available in ASCII format.