|
Core, section
|
 T (°C)
|
Gas hydrate texture
|
Depth interval (mbsf)*
|
Anomaly
designation† |
Hydrate sample
|
|||
|---|---|---|---|---|---|---|---|---|
|
Top
(cm) |
Bottom
(cm) |
Depth
(mbsf) |
||||||
| Top | Bottom | |||||||
| 204-1246B- | ||||||||
| 3H | -0.5 | Disseminated; subtle but real anomaly | 16.00 | 17.40 | IR164 |
|
|
|
| 3H | -1.8 | Disseminated; subtle but real anomaly | 18.00 | 19.00 | IR165 |
|
|
|
| 3H | -1.4 | Disseminated; subtle but real anomaly | 19.70 | 21.90 | IR166 |
|
|
|
| 4H | -0.3 | Disseminated; subtle but real anomaly | 25.00 | 29.40 | IR167 |
|
|
|
| 4H | -0.4 | Disseminated; subtle but real anomaly | 31.40 | 32.60 | IR168 |
|
|
|
| 5H | -0.3 | Disseminated; distinct on image | 34.50 | 35.00 | IR169 |
|
|
|
| 5H | -0.7 | Disseminated; but sharp on plot | 36.00 | 36.10 | IR170 |
|
|
|
| 5H | -1.8 | Disseminated; first sharp single anomaly | 38.10 | 38.40 | IR171 |
|
|
|
| 5H | -1.0 |
Disseminated; largest T at center |
40.00 | 41.00 | IR172 |
|
|
|
| 5H | -0.7 | Disseminated; some suggestion of layering | 42.20 | 42.30 | IR173 |
|
|
|
| 6H | -0.6 | Disseminated | 43.40 | 43.50 | IR174 |
|
|
|
| 6H | -0.9 | Disseminated; void in middle | 44.60 | 44.80 | IR175 |
|
|
|
| 6H | -0.5 | Disseminated | 46.20 | 46.40 | IR176 |
|
|
|
| 6H | -1.2 | Disseminated | 49.70 | 49.80 | IR177 |
|
|
|
| 6H | -1.3 | Vein; moderate dip | 51.00 | 51.50 | IR178 |
|
|
|
| 6H | -0.6 | Disseminated | 53.10 | 53.30 | IR179 |
|
|
|
| 7H | -1.5 | Disseminated; horizontal layering; disrupted at top (?) | 56.80 | 57.30 | IR180 |
|
|
|
| 7H | -0.6 | Disseminated; layer | 59.35 | 59.45 | IR181 |
|
|
|
| 7H | -1.4 | Disseminated | 61.50 | 61.60 | IR182 |
|
|
|
| 8H | -0.3 | Disseminated | 61.80 | 61.90 | IR183 |
|
|
|
| 8H | -0.7 | Disseminated | 63.00 | 63.40 | IR184 |
|
|
|
| 8H-4 | -4.0 | Stratigraphically controlled hydrate | 66.00 | 66.50 | IR185 | 25 | 30 | 66.45 |
| 8H | -1.0 | Disseminated | 66.75 | 67.10 | IR186 |
|
|
|
| 8H | -1.4 | Disseminated | 67.20 | 67.40 | IR187 |
|
|
|
| 9H | -0.7 | Disseminated | 71.40 | 71.80 | IR188 |
|
|
|
| 9H | -0.6 | Disseminated | 72.10 | 72.40 | IR189 |
|
|
|
| 9H | -2.1 | Disseminated | 72.80 | 73.30 | IR190 |
|
|
|
| 9H | -0.4 | Disseminated | 74.90 | 75.00 | IR191 |
|
|
|
| 9H | -0.4 | Disseminated | 75.90 | 76.00 | IR192 |
|
|
|
| 9H | -1.8 | Disseminated; vein | 76.10 | 77.00 | IR193 |
|
|
|
| 9H | -0.9 | Disseminated; nodular | 78.20 | 79.10 | IR194 |
|
|
|
| 9H | -2.0 | Vein; nodular | 80.10 | 81.20 | IR195 |
|
|
|
| 10H | -1.2 | Disseminated | 81.80 | 81.90 | IR196 |
|
|
|
| 10H | -0.8 | Disseminated | 82.10 | 82.30 | IR197 |
|
|
|
| 10H | -1.5 | Vein | 84.30 | 84.50 | IR198 |
|
|
|
| 10H | -3.0 | Nodular; possible. dipping rod shape | 85.70 | 86.00 | IR199 |
|
|
|
| 10H | -1.0 | Nodular | 86.10 | 86.20 | IR202 |
|
|
|
| 10H | -2.5 | Vein; parallel to bedding | 88.00 | 88.20 | IR200 |
|
|
|
| 10H | -1.5 | Disseminated | 89.00 | 89.20 | IR201 |
|
|
|
| 11H | -1.1 | Disseminated | 90.30 | 90.70 | IR203 |
|
|
|
| 11H | -1.0 | Disseminated | 92.70 | 92.90 | IR204 |
|
|
|
| 11H | -0.6 | Disseminated | 93.90 | 94.00 | IR205 |
|
|
|
| 11H-5 | -4.4 | Vein | 96.80 | 97.10 | IR206 | 93 | 126 | 96.64 |
| 12H-4 | -1.6 | Disseminated | 99.70 | 100.00 | IR207 |
|
|
|
| 12H | -6.6 | Nodular on steeply dipping plane | 104.80 | 105.30 | IR208 | 102 | 127 | 105.08 |
| 12H | -1.8 | Disseminated | 106.10 | 106.50 | IR209 |
|
|
|
| 12H | -0.6 | Disseminated | 107.70 | 107.80 | IR210 |
|
|
|
| 13H-1 | -3.1 | Nodular | 109.20 | 109.70 | IR211 | 0 | 30 | 109.20 |
| 13H | -0.8 | Disseminated | 109.80 | 110.40 | IR212 |
|
|
|
| 13H | -0.8 | Disseminated | 111.00 | 111.20 | IR213 |
|
|
|
| 13H | -0.7 | Disseminated | 114.20 | 114.30 | IR214 |
|
|
|
| 13H | -0.8 | Disseminated | 115.00 | 115.10 | IR215 |
|
|
|
| 13H | -0.6 | Disseminated | 115.60 | 115.70 | IR216 |
|
|
|
| 13H | -0.5 | Disseminated | 116.70 | 116.80 | IR217 |
|
|
|
| Additional sample | ||||||||
| 12H-4 |
|
|
|
|
|
87 | 102 | 104.93 |
Notes: * = from uncut core liner. † = designation used for reference to specific anomalies in text and figures. Difference between these depth intervals and the equivalent curated section depth intervals is typically <1 m.