Core, section
|
T (°C)
|
Gas hydrate texture*
|
Depth interval (mbsf)† |
Anomaly‡ designation
|
Hydrate sample | |||
---|---|---|---|---|---|---|---|---|
Top
(cm) |
Bottom (cm)
|
Depth (mbsf)
|
||||||
Top | Bottom | |||||||
204-1252A- | ||||||||
3H | -0.6 | Disseminated; questionable | 18.50 | 19.00 | IR540 | |
|
|
3H | -0.9 | Disseminated; questionable | 21.40 | 22.50 | IR541 | |
|
|
6H | -0.7 | Disseminated; vein | 43.00 | 43.09 | IR542 | |
|
|
6H | -0.5 | Disseminated | 47.40 | 47.61 | IR543 | |
|
|
6H | -0.5 | Nodular; disseminated | 48.42 | 48.50 | IR544 | |
|
|
7H | -0.8 | Disseminated | 53.70 | 55.35 | IR545 | |
|
|
7H | -0.9 | Disseminated | 55.70 | 56.80 | IR546 | |
|
|
8H | -0.6 | Disseminated | 64.20 | 64.50 | IR547 | |
|
|
8H | -1.7 | Disseminated; around central vein | 66.50 | 67.32 | IR548 | |
|
|
8H | -1.7 | Nodular; disseminated | 70.64 | 70.71 | IR549 | |
|
|
10H | -0.6 | Disseminated | 81.00 | 81.11 | IR550 | |
|
|
10H-2 | -2.7 | Nodular; vein | 83.06 | 83.25 | IR551 | 35 | 45 | 82.75 |
10H | -0.3 | Disseminated | 87.47 | 87.56 | IR552 | |
|
|
11H | -0.6 | Disseminated | 97.10 | 96.83 | IR553 | |
|
|
11H-6 | -3.2 | Vein; parallel to bedding | 98.45 | 98.50 | IR554 | 70 | 80 | 98.60 |
12H | -0.5 | Disseminated | 100.08 | 100.12 | IR555 | |
|
|
12H | -0.6 | Disseminated | 102.90 | 102.94 | IR556 | |
|
|
12H | -0.9 | Disseminated; vein | 103.43 | 103.64 | IR557 | |
|
|
12H | -0.4 | Disseminated | 103.89 | 103.90 | IR558 | |
|
|
12H | -0.8 | Vein; disseminated; split by gas | 106.80 | 106.86 | IR559 | |
|
|
12H | -0.8 | Nodular | 107.39 | 107.42 | IR560 | |
|
|
12H | -1.8 | Vein; disseminated | 109.48 | 109.65 | IR561 | |
|
|
13H | -0.9 | Vein; slight dip; disseminated | 111.50 | 111.85 | IR562 | |
|
|
13H | -0.6 | Disseminated; variable T | 117.50 | 118.40 | IR563 | |
|
|
14H | -0.5 | Disseminated; questionable | 118.90 | 119.10 | IR564 | |
|
|
14H | -0.4 | Disseminated; periodic spacing | 119.40 | 119.75 | IR565 | |
|
|
14H | -0.2 | Disseminated | 120.60 | 120.67 | IR566 | |
|
|
14H | -0.3 | Disseminated; periodic spacing | 121.20 | 121.25 | IR567 | |
|
|
14H | -0.5 | Disseminated; cracking | 125.25 | 125.70 | IR568 | |
|
|
15X | -0.7 | Disseminated | 128.55 | 128.62 | IR569 | |
|
|
15X | -0.4 | Disseminated | 131.05 | 131.14 | IR570 | |
|
|
15X | -0.3 | Disseminated | 132.88 | 132.94 | IR571 | |
|
|
21X | -0.9 | Vein; disseminated; cold core top? | 183.15 | 183.22 | IR572 | |
|
|
Notes: * = from anomaly characteristics and core description, if available. † = from uncut core liner. ‡ = used for reference to specific anomalies in text and figures. The difference between these depth intervals and the equivalent curated section depth intervals is typically <1 m.