|
Core,
section,
interval (cm) |
Depth
(mbsf) |
C1/C2*
|
Methane
(µL/L)† |
Ethane
(µL/L)† |
Propane
(µL/L)† |
Methane
(mM)‡ |
Ethane
(µM)‡ |
Propane
(µM)‡ |
|---|---|---|---|---|---|---|---|---|
| 195-1200D- | ||||||||
| 1H-2, 0-5 | 1.5 | 2.9 | 78 | 26.6 | 0 | 0.01 | 2.4 | 0 |
| 1H-3, 0-5 | 3.0 | 124 | 15,294 | 123.4 | 0 | 1.36 | 11.0 | 0 |
| 1H-5, 0-5 | 6.0 | 386 | 28,982 | 75.1 | 0 | 2.59 | 6.7 | 0 |
| 2H-2, 0-5 | 8.4 | 460 | 33,232 | 72.3 | 0 | 2.97 | 6.4 | 0 |
| 3H-2, 0-5 | 11.4 | 582 | 12,189 | 21.0 | 0 | 1.09 | 1.9 | 0 |
| 4H-CC, 0-5 | 12.6 | 651 | 23,789 | 36.6 | 0 | 2.12 | 3.3 | 0 |
| 5H-1, 15-20 | 13.9 | 620 | 15,955 | 25.7 | 0 | 1.42 | 2.3 | 0 |
| 6H-2, 0-5 | 22.9 | 686 | 14,510 | 21.2 | 0 | 1.29 | 1.9 | 0 |
| 7H-1, 105-110 | 24.6 | 633 | 10,450 | 16.5 | 0 | 0.93 | 1.5 | 0 |
| 8H-2, 92-97 | 27.4 | 642 | 15,391 | 24.0 | 0 | 1.37 | 2.1 | 0 |
| 9H-1, 85-95 | 28.9 | 695 | 21,294 | 30.6 | 0 | 1.90 | 2.7 | 0 |
| 195-1200E- | ||||||||
| 1H-2, 0-5 | 1.5 | 246 | 10,980 | 44.7 | 0 | 0.98 | 4.0 | 0 |
| 1H-3, 0-5 | 3.0 | 290 | 53,992 | 185.9 | 0 | 4.82 | 16.6 | 0 |
| 1H-4, 0-5 | 4.5 | 266 | 27,070 | 101.9 | 0 | 2.42 | 9.1 | 0 |
| 2H-2, 0-5 | 7.6 | 194 | 12,086 | 62.2 | 0 | 1.08 | 5.5 | 0 |
| 2H-3, 0-5 | 9.1 | 249 | 45,990 | 184.7 | 0 | 4.10 | 16.5 | 0 |
| 3H-1, 89-94 | 11.9 | 298 | 53,497 | 179.5 | 0 | 4.77 | 16.0 | 0 |
| 4H-2, 0-5 | 13.5 | 249 | 23,482 | 94.3 | 0 | 2.10 | 8.4 | 0 |
| 5H-3, 0-5 | 20.1 | 401 | 25,483 | 63.6 | 0 | 2.27 | 5.7 | 0 |
| 6H-2, 0-5 | 22.6 | 373 | 13,962 | 37.5 | 0 | 1.25 | 3.3 | 0 |
| 7H-3, 0-5 | 28.9 | 730 | 23,182 | 31.7 | 0 | 2.07 | 2.8 | 0 |
| 10H-2, 0-5 | 53.9 | 782 | 20,557 | 26.3 | 0 | 1.83 | 2.3 | 0 |
| 195-1200F- | ||||||||
| 1H-2, 0-5 | 1.5 | 368 | 103,079 | 280.1 | 0 | 9.20 | 25.0 | 0 |
| 1H-4, 0-5 | 4.5 | 475 | 30,802 | 64.8 | 0 | 2.75 | 5.8 | 0 |
| 2H-2, 0-5 | 9.2 | 381 | 19,094 | 50.1 | 0 | 1.70 | 4.5 | 0 |
| 2H-4, 0-5 | 11.7 | 387 | 25,855 | 66.8 | 0 | 2.31 | 6.0 | 0 |
| 3H-2, 0-5 | 14.4 | 277 | 199,400 | 719.2 | 18.9 | 17.79 | 64.2 | 1.69 |
| 3H-2, 110-111 | 15.5 | 339 | 42,398 | 125.1 | 0 | 3.78 | 11.2 | 0 |
Notes: * = measured with GC3. † = microliters of gas per liter of wet unconsolidated serpentinite, assuming a wet bulk density of 1.8 g/cm3. ‡ = millimoles or micromoles of dissolved gas per liter of pore water, assuming a porosity of 50%.