Table 1. Description of PCS deployments retrieved at pressure.
Core | Depth (mbsf) |
Recovered pressure** (psi) |
Total
gas volume (mL) |
Core recovered (cm) |
---|---|---|---|---|
164-991B- |
||||
1P |
10.0 |
2550 |
Not taken*** |
0 |
164-994C- |
||||
9P |
70.9 |
1500 |
Not taken*** |
23 |
18P |
147.9 |
3260 |
Not taken*** |
0 |
27P |
222.5 |
3657 |
Not taken*** |
7 |
36P |
299.4 |
4438 |
Not taken*** |
23 |
45P |
376.5 |
4988 |
Not taken*** |
0 |
48P |
395.6 |
4900 |
Not taken*** |
15 |
53P |
434.1 |
5030 |
Not taken*** |
15 |
60P |
491.9 |
5166 |
Not taken*** |
28 |
66P |
540.1 |
5205 |
Not taken*** |
22 |
70P |
568.9 |
4266 |
720**** |
20 |
164-995A- |
||||
0P* |
-73.0 |
2760 |
140**** |
0 |
9P |
68.2 |
4126 |
Not taken*** |
100 |
18P |
136.7 |
3176 |
555**** |
70 |
27P |
223.9 |
4045 |
4215 |
100 |
36P |
301.3 |
4740 |
1430**** |
75 |
45P |
378.6 |
4635 |
4370 |
58 |
48P |
397.8 |
4712 |
860***** |
23 |
52P* |
423.7 |
4892 |
85 |
0 |
52P |
426.7 |
4788 |
2365 |
18 |
60P |
494.1 |
4238 |
1310 |
9 |
70P |
589.2 |
3680 |
285 |
3 |
164-995B- |
||||
7P |
308.5 |
2769 |
2330**** |
93 |
10P |
320.5 |
3284 |
980 |
65 |
164-996A- |
||||
7P |
47.5 |
3326 |
5415 |
20 |
164-996D- |
||||
7P |
51.2 |
2998 |
8100 |
0******* |
164-996E- |
||||
8P |
61.3 |
946 |
575 |
0******* |
18P |
146.9 |
4290 |
450 |
42 |
164-997A- |
||||
25P |
202.4 |
4501 |
7485 |
88 |
29P |
231.3 |
4621 |
Not taken****** |
0 |
33P |
317.7 |
4783 |
290 |
0******** |
49P |
394.9 |
3660 |
7050 |
64 |
51P |
404.5 |
3987 |
Not taken****** |
47 |
55P |
433.3 |
780 |
6380 |
50 |
164-997B- |
||||
10P |
462.2 |
4460 |
5125 |
14 |
15P |
501.8 |
4485 |
3190 |
30 |
21P |
549.9 |
4578 |
3455 |
94 |
29P* |
606.5 |
4832 |
110 |
0 |
32P |
635.3 |
4755 |
70**** |
0 |
36P |
664.1 |
5122 |
120 |
0 |
40P |
693.0 |
4944 |
70 |
0 |
44P |
721.8 |
4808 |
80 |
0 |
Notes: mbsf = meters below seafloor; ** = some pressures are different than those reported by Paull, Matsumoto, Wallace, et al. (1996). The reason is twofold: pressure changes rapidly over the first minute, and certain pressures were recorded by more than one individual. *** = the total volume of gas was not determined because of manifold problems. **** = the total volume of gas is a minimum because the PCS was not equilibrated. * = cores designed to collect water without sediment. ***** = total volume is a minimum because a gas aliquot was vented before recording. ****** = the total volume of gas was not determined because of immediate PCS opening. ******* = a small volume of hydrate and sediment likely existed in the PCS prior to tool opening. ********= a small volume of sediment likely existed in the PCS prior to tool opening.