Table T4. Summary of all sediment core and pressure core gas hydrate samples taken during Expedition 311.
|
Core, section, interval (cm) |
Sample length (cm) |
Sample depth top (mbsf) |
Temperature anomaly |
Type of sample |
Type of preservation |
Laboratory sample ID |
|---|---|---|---|---|---|---|
| Sediment core samples | ||||||
| 311-U1326C- | ||||||
| 9X-3, 91–106 | 15 | 73.01 | M | WRC | LN2 | HYD22 |
| 311-U1326D- | ||||||
| 4X-6, 0–8 | 8 | 114.57 | M | WRC | LN2 | HYD23 |
| 5X-5, 36–56 | 20 | 123.40 | M | WRC | LN2 | HYD24 |
| 18X-3, 120–130 | 10 | 245.81 | H | WRC | LN2 | HYD25 |
| 18X-3, 130–140 | 10 | 245.91 | H | WRC | LN2 | HYD26 |
| 18X-1, 84–105 | 21 | 243.44 | M | WRC | LN2 | HYD27 |
| 311-U1327C- | ||||||
| 13X-5, 101–126 | 25 | 109.11 | L | WRC | LN2 | HYD1 |
| 17X-1, 20–31 | 11 | 132.00 | HH | WRC | LN2 | HYD2 |
| 18X-2, 10–20 | 10 | 142.45 | H | WRC | LN2 | HYD3 |
| 19X-1, 101–121 | 20 | 152.11 | H | WRC | LN2 | HYD4 |
| 27X-3, 40–50 | 10 | 221.69 | H | WRC | LN2 | HYD5 |
| 311-U1327D- | ||||||
| 7X-2, 57–82 | 25 | 135.07 | H | WRC | LN2 | HYD6 |
| 11X-1, 24-48 | 24 | 157.34 | HH | WRC | LN2 | HYD7 |
| 311-U1328B- | ||||||
| 2H-1, 5–10 | 5 | 4.55 | NA | PS | LN2 | HYD8 |
| 2H-1, 10–15 | 5 | 4.60 | NA | PS | LN2 | HYD9 |
| 2H-1, 15–20 | 5 | 4.65 | NA | PS | LN2 | HYD10 |
| 2H-1, 20–40 | 20 | 4.70 | NA | PS | LN2 | HYD11 |
| 2H-1, 40–60 | 20 | 4.90 | NA | PS | LN2 | HYD12 |
| 2H-1, 60–80 | 20 | 5.10 | NA | PS | LN2 | HYD13 |
| 2H-CC, 0–5 | 5 | 6.12 | NA | PS | LN2 | HYDCC |
| 5H-CC, 5–10 | 5 | 18.29 | NA | PS | LN2 | HYDCC |
| 6X-CC, 5–10 | 5 | 21.06 | NA | PS | LN2 | HYDCC |
| 8H, rig floor | NA | 28.00 | NA | PS | LN2 | HYDCC |
| 311-U1328D- | ||||||
| 2X-2, 59–79 | 20 | 6.09 | L | WRC | LN2 | HYD14 |
| 2X-CC, 5–9 | 4 | 6.34 | NA | PS | LN2 | HYDCC |
| 311-U1328E- | ||||||
| 2X-CC, 0–10 | 10 | 8.79 | NA | PS | LN2 | HYD15 |
| 2X-2, 80–90 | 10 | 8.69 | M | WRC | LN2 | HYD16 |
| 2X-2, 70–80 | 10 | 8.59 | M | WRC | LN2 | HYD17 |
| 2X-2, 60–70 | 10 | 8.49 | M | WRC | LN2 | HYD18 |
| 2X-2, 50–60 | 10 | 8.39 | M | WRC | LN2 | HYD19 |
| 2X-2, 40–50 | 10 | 8.29 | M | WRC | LN2 | HYD20 |
| 2X-2, 20–40 | 20 | 8.09 | M | WRC | LN2 | HYD21 |
| Pressure core samples | ||||||
| 311-U1327D- | ||||||
| 14E-1, 25–45 | 20 | 217.70 | NA | WRC | PV | BHPAR22 |
| 14E-1, 45–65 | 20 | 217.70 | NA | WRC | PV | BHPAR15 |
| 14E-1, 65–85 | 20 | 217.70 | NA | WRC | PV | BHPAR13 |
| 14E-1, 85–105 | 20 | 217.70 | NA | WRC | PV | BHPAR11 |
| 12E-1, 0–100 | 105 | 170.50 | NA | WRC | PV | NA |
Notes: Temperature anomaly scale: L = small, M = medium, H = large, HH = very large. Type of sample: WRC = whole-round core, PS = extruded pieces of gas hydrate with sediment. Type of preservation: LN2 = liquid nitrogen, PV = pressure vessel. ID = designation number. NA = not available.
Previous | Close | Top of page