Table 2. 
13C composition of methane and carbon dioxide in gas samples collected from the pressure core sampler during Leg 164.
| Core, section |
Depth (mbsf) |
13C (CH4) (  PDB) |
13C (CO2) ( PDB) |
|---|---|---|---|
164-994C- |
|||
27P (2) |
223.50 |
-67.0 |
-22.7 |
27P (3) |
223.40 |
-67.9 |
-9.1 |
36P (2) |
300.40 |
-61.1 |
-18.2 |
66P |
541.10 |
-64.3 |
-12.1 |
70P |
569.90 |
-63.0 |
-20.1 |
164-995A- |
|||
27P (1) |
222.90 |
-71.3 |
-3.9 |
27P (2) |
222.90 |
-67.7 |
-5.1 |
27P (3) |
222.90 |
-68.2 |
-9.5 |
27P (5) |
222.90 |
-69.3 |
-10.4 |
27P (6) |
222.90 |
-68.4 |
-5.9 |
36P (1) |
300.30 |
-71.4 |
-18.6 |
36P (2) |
300.30 |
-65.9 |
-16.8 |
36P (3) |
300.30 |
-66.0 |
-10.3 |
36P (4) |
300.30 |
-65.0 |
-9.2 |
45P (1) |
377.50 |
-73.5 |
-32.5 |
45P (6) |
377.50 |
-64.9 |
-32.7 |
45P [132 psi] |
377.50 |
-63.9 |
-11.8 |
45P (25) |
377.50 |
-63.9 |
-8.9 |
48P (1) |
396.80 |
-65.0 |
-27.0 |
48P (2) |
396.80 |
-65.0 |
-23.2 |
48P (3) |
396.80 |
-63.9 |
-17.0 |
48P (4) |
396.80 |
-63.4 |
-23.1 |
60P (1) |
493.10 |
-67.3 |
-27.9 |
60P (2) |
493.10 |
-65.2 |
-22.1 |
60P (3) |
493.10 |
-64.2 |
-21.3 |
60P (4) |
493.10 |
-63.4 |
-28.3 |
70P |
579.60 |
-63.9 |
-16.9 |
164-995B- |
|||
7P (6B) |
308.5 |
-65.3 |
-9.0 |
7P (7B) |
308.5 |
-65.1 |
-5.9 |
7P (9) |
308.5 |
-68.2 |
-22.7 |
7P (13) |
308.5 |
-65.8 |
-21.9 |
7P (14) |
308.5 |
-68.8 |
-27.2 |
7P (15) |
308.5 |
-68.6 |
-27.2 |
7P (18) |
308.5 |
-68.8 |
-24.2 |
7P (20) |
308.5 |
-68.6 |
-22.5 |
164-996A- |
|||
7P (3) |
48.00 |
-69.4 |
-28.6 |
7P (4) |
48.00 |
-69.3 |
-30.3 |
7P (6) |
48.00 |
-68.7 |
-28.4 |
7P (8) |
48.00 |
-68.8 |
-32.7 |
7P (16) |
48.00 |
-68.0 |
-28.3 |
7P (17) |
48.00 |
-68.4 |
-27.0 |
7P (19) |
48.00 |
-68.4 |
-24.8 |
7P (22) |
48.00 |
-70.6 |
-25.1 |
7P (24) |
48.00 |
-68.5 |
-25.9 |
164-996D- |
|||
7P (5) |
52.00 |
-69.1 |
-29.8 |
7P (7) |
52.00 |
-68.0 |
-28.4 |
7P (9) |
52.00 |
-68.3 |
-24.4 |
7P (10) |
52.00 |
-69.3 |
-29.8 |
7P (11) |
52.00 |
-66.0 |
-27.2 |
7P (12) |
52.00 |
-66.8 |
-24.5 |
7P (13) |
52.00 |
-66.3 |
-21.1 |
7P (14) |
52.00 |
-67.6 |
-31.4 |
7P (15) |
52.00 |
-67.6 |
-26.6 |
164-997A- |
|||
25P (1) |
202.40 |
-69.1 |
|
25P (2) |
202.40 |
-68.4 |
|
25P (3) |
202.40 |
-67.9 |
|
25P (4) |
202.40 |
-67.3 |
|
33P (1) |
260.10 |
-66.6 |
|
33P (2) |
260.10 |
-66.9 |
|
40P |
317.70 |
-65.7 |
|
49P (1) |
394.90 |
-62.4 |
|
49P (2) |
394.90 |
-64.1 |
|
49P (3) |
394.90 |
-64.0 |
|
49P (4) |
394.90 |
-64.8 |
|
49P (5) |
394.90 |
-64.3 |
|
49P (6) |
394.90 |
-64.2 |
|
49P (7) |
394.90 |
-64.6 |
|
49P (8) |
394.90 |
-64.2 |
|
49P (9) |
394.90 |
-64.7 |
|
49P (10) |
394.90 |
-64.7 |
|
55P (1) |
433.30 |
-64.7 |
|
55P (2) |
433.30 |
-64.1 |
|
55P (3) |
433.30 |
-64.0 |
|
55P (4) |
433.30 |
-64.3 |
|
55P (6) |
433.30 |
-64.9 |
|
55P (7) |
433.30 |
-63.9 |
|
55P (9) |
433.30 |
-63.6 |
|
164-997B- |
|||
10P (3) |
462.20 |
-63.3 |
|
10P (4) |
462.20 |
-63.5 |
|
10P (5) |
462.20 |
-63.2 |
|
10P (6) |
462.20 |
-64.6 |
|
10P (7) |
462.20 |
-63.0 |
|
10P (8) |
462.20 |
-64.4 |
|
10P (9) |
462.20 |
-63.5 |
|
10P (10) |
462.20 |
-63.2 |
|
10P (11) |
462.20 |
-65.0 |
|
15P (2) |
501.80 |
-64.4 |
|
15P (3) |
501.80 |
-63.1 |
|
15P (4) |
501.80 |
-63.4 |
|
15P (5) |
501.80 |
-65.5 |
|
15P (6) |
501.80 |
-63.2 |
|
15P (7) |
501.80 |
-64.9 |
|
21P (1) |
549.90 |
-64.3 |
|
21P (2) |
549.90 |
-64.2 |
|
21P (3) |
549.90 |
-63.1 |
|
21P (4) |
549.90 |
-63.0 |
|
21P (5) |
549.90 |
-62.7 |
|
21P (6) |
549.90 |
-63.3 |
|
21P (7) |
549.90 |
-62.8 |
|
21P (8) |
549.90 |
-62.0 |
|
29P (1) |
549.90 |
-65.1 |
|
29P (2) |
549.90 |
-62.8 |
|
32P (1) |
606.50 |
-63.3 |
|
36P (1) |
664.10 |
-64.1 |
|
36P (2) |
664.10 |
-63.7 |
|
40P (1) |
693.00 |
-64.2 |
|
44P (1) |
721.80 |
-64.3 |
Note: Numbers in ( ) = the number of the analyzed gas aliquot from a given PCS core.