| Core, section |  T
(°C)
|
Gas hydrate texture* | Depth interval (mbsf)† | Anomaly designation‡ | Sampled interval | |||
| Top | Bottom | Top (cm) |
Bottom (cm) | Depth (mbsf) | ||||
| 204-1251B- | ||||||||
| 5H | 0.80 | Disseminated | 41.30 | 42.00 | IR28 | |
|
|
| 5H | 0.70 | Disseminated | 43.00 | 44.00 | IR29 | |
|
|
| 7H | 0.50 | Disseminated | 61.20 | 61.30 | IR30 | |
|
|
| 8H | 0.70 | Disseminated | 69.60 | 69.70 | IR31 | |
|
|
| 8H | 0.90 | Disseminated | 69.90 | 70.00 | IR32 | |
|
|
| 14H | 1.00 | Disseminated; possible 5-m-thick zone | 116.00 | 121.00 | IR33 | |
|
|
| 19H | 0.50 | Disseminated | 155.60 | 155.70 | IR34 | |
|
|
| 19H | 0.60 | Disseminated | 157.00 | 157.10 | IR35 | |
|
|
| 20H | 0.70 | Disseminated | 166.70 | 166.80 | IR36 | |
|
|
| 20H | 3.50 | Disseminated | 171.00 | 171.20 | IR37 | |
|
|
| 22H | |
Disseminated | 173.10 | 173.20 | IR38 | |
|
|
| 22H | |
Disseminated | 177.30 | 177.40 | IR39 | |
|
|
| 23H | 0.90 | Disseminated | 188.50 | 188.60 | IR40 | |
|
|
| 27X | 0.70 | Disseminated | 213.80 | 214.10 | IR41 | |
|
|
| 43X | 0.90 | Drilling fluid core or gas expansion? Core cooler from 349.0 to 353.5; typical of XCB? | 350.10 | 350.10 | IR42 | |
|
|
| 204-1251D- | |
|
|
|
|
|
|
|
| 4H | 0.80 | Disseminated | 33.20 | 34.20 | IR43 | |
|
|
| 5H | 0.70 | Disseminated | 37.00 | 38.10 | IR44 | |
|
|
| 8H | 0.40 | Disseminated | 62.00 | 63.10 | IR45 | |
|
|
| 9H | 0.70 | Disseminated | 67.30 | 68.00 | IR46 | |
|
|
| 14H | 0.80 | Disseminated | 110.50 | 111.30 | IR47 | |
|
|
| 15H | 1.10 | Disseminated | 117.40 | 117.51 | IR48 | |
|
|
| 15H | 0.90 | Disseminated; possible 5-m-thick zone | 118.50 | 118.60 | IR49 | |
|
|
| 15H | 2.00 | Disseminated; possible vein | 122.50 | 123.20 | IR50 | |
|
|
| 16H | 0.80 | Disseminated | 134.40 | 134.50 | IR51 | |
|
|
| 22X-1 | 1.30 | Vein | 177.60 | 177.70 | IR52 | 0 | 20 | 175.40 |
| 22X-2 | 1.40 | Vein | 178.55 | 178.70 | IR53 | 124 | 147 | 178.11 |
| 24X-2 | 3.50 | Massive hydrate mixed with sediment? | 188.00 | 189.50 | IR54 | 25 | 54 | 189.87 |
| 24X-2 | 6.10 | Complex concentrated hydrate with disseminated zone on bottom; sediment in concentrated
zone. T is the maximum observed.
Average T is ~4°C. |
190.00 | 202.00 | IR55 | 110 | 150 | 190.72 |
| 25X | 1.90 | Vein | 205.20 | 205.30 | IR56 | |
|
|
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.