|
Core
|
Depth (mbsf)
|
Run time (min)
|
Total volume
(mL)* |
Volume (mL)†
|
Concentration (%)‡
|
Core length (m)
|
Porosity (%)
|
C1 (mM)**
|
|||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Top
|
Bottom
|
O2 + N2
|
C1
|
CO2
|
C2+
|
O2 + N2
|
C1
|
CO2
|
C2+
|
||||||
| 204-1249C- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 6P | 33.5 | 34.5 | 967 | 12,667 | 876.6 | 11,733.6 | 36.7 | 20.09 | 6.9 | 92.6 | 0.3 | 0.159 | 0.23-1.00 | 63 | 524.0-2,278.4 |
| 204-1249F- |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 4P | 13.5 | 14.5 | 11,268 | 95,110 | 586.2 | 94,211.3 | 170.2 | 142.31 | 0.6 | 99.1 | 0.2 | 0.150 | 0.80-1.00 | 66 | 4,027.2-5,033.9 |
| 14P | 71.4 | 72.4 | 1,580 | 4,800 | 231.2 | 4,561.1 | 6.3 | 1.29 | 4.8 | 95.0 | 0.1 | 0.027 | 0.99-1.00 | 60 | 215.7-217.9 |
Note: * = volume of gas released. † = volume of components released. ‡ = concentration of components released. ** = concentration in situ. Core length is reported as measured after the core was degassed and split (i.e., curated length). All cores had a nominal length of 1 m. The difference between the measured length and 1 m may be due to two factors: (1) incomplete recovery and (2) dissociation of gas hydrate during degassing. The lower concentration estimate corresponds to the assumption of 100% recovery; the higher estimate corresponds to the assumption that core length represented the percentage of recovery.