Table T1. Percentages of calcium carbonate, total organic carbon, total nitrogen, and total sulfur in sediment samples, Holes 1087A and 1087C.
Core,
section, interval (cm) |
Depth (mbsf) |
CaCO3 (wt%) |
TOC (wt%) |
TN (wt%) |
C/N (atomic) |
TS (wt%) |
---|---|---|---|---|---|---|
Unit 1: Pleistocene to upper middle Miocene foraminifer-nannofossil ooze | ||||||
175-1087A- |
||||||
1H-2, 46-47 |
1.96 |
78.2 |
0.90 |
0.11 |
10.0 |
0.06 |
1H-4, 46-47 |
4.96 |
85.4 |
0.73 |
0.08 |
10.7 |
0.20 |
1H-6, 46-47 |
7.96 |
81.9 |
1.32 |
0.12 |
13.0 |
0.17 |
2H-2, 46-47 |
10.16 |
70.0 |
1.59 |
0.16 |
11.5 |
0.35 |
2H-4, 46-47 |
13.16 |
80.5 |
1.06 |
0.11 |
11.5 |
0.15 |
2H-6, 46-47 |
16.16 |
75.3 |
0.86 |
0.09 |
10.7 |
0.16 |
3H-2, 46-47 |
19.66 |
72.6 |
3.13 |
0.25 |
14.9 |
0.50 |
3H-4, 46-47 |
22.56 |
80.8 |
2.45 |
0.20 |
14.2 |
0.34 |
3H-6, 46-47 |
25.56 |
74.5 |
0.96 |
0.10 |
11.2 |
0.17 |
4H-2, 46-47 |
29.16 |
78.6 |
1.55 |
0.13 |
13.7 |
|
4H-4, 46-47 |
32.16 |
86.3 |
1.04 |
0.09 |
13.7 |
|
4H-6, 46-47 |
35.16 |
77.0 |
1.29 |
0.11 |
13.4 |
|
5H-2, 46-47 |
38.66 |
70.8 |
1.95 |
0.18 |
12.8 |
0.40 |
5H-4, 46-47 |
41.66 |
61.6 |
1.67 |
0.16 |
12.2 |
0.61 |
5H-6, 46-47 |
44.66 |
66.8 |
1.04 |
0.12 |
10.2 |
0.36 |
6H-2, 46-47 |
48.16 |
72.8 |
1.76 |
0.16 |
13.1 |
0.34 |
6H-4, 46-47 |
51.16 |
72.2 |
1.32 |
0.13 |
12.3 |
|
6H-6, 46-47 |
54.16 |
69.9 |
1.19 |
0.12 |
11.9 |
0.33 |
7H-2, 46-47 |
57.66 |
66.2 |
2.12 |
0.18 |
13.8 |
|
7H-4, 46-47 |
60.66 |
69.8 |
2.18 |
0.18 |
14.4 |
0.83 |
7H-6, 46-47 |
63.66 |
66.6 |
1.88 |
0.17 |
13.0 |
0.43 |
8H-2, 46-47 |
67.16 |
64.1 |
1.51 |
0.14 |
12.3 |
0.50 |
8H-4, 46-47 |
70.16 |
67.7 |
1.64 |
0.15 |
12.6 |
0.49 |
8H-6, 46-47 |
73.16 |
65.5 |
1.96 |
0.17 |
13.2 |
0.56 |
9H-2, 46-47 |
76.66 |
69.8 |
2.42 |
0.21 |
13.7 |
0.76 |
9H-4, 46-47 |
79.66 |
69.1 |
1.76 |
0.17 |
12.1 |
0.44 |
9H-6, 46-47 |
82.66 |
74.1 |
1.27 |
0.12 |
12.0 |
0.38 |
10H-2, 46-47 |
86.16 |
59.4 |
2.03 |
0.18 |
13.5 |
0.79 |
10H-4, 46-47 |
89.16 |
73.3 |
1.58 |
0.13 |
13.7 |
|
10H-6, 46-47 |
92.16 |
82.4 |
1.36 |
0.11 |
13.9 |
0.34 |
11H-2, 46-47 |
95.66 |
77.1 |
0.77 |
0.08 |
11.6 |
|
11H-4, 46-47 |
98.66 |
76.9 |
0.93 |
0.09 |
12.6 |
0.42 |
11H-6, 46-47 |
101.66 |
84.4 |
0.58 |
0.06 |
11.3 |
|
12H-2, 46-47 |
105.16 |
79.9 |
1.13 |
0.10 |
13.7 |
0.39 |
12H-4, 46-47 |
108.16 |
77.3 |
0.77 |
0.07 |
12.1 |
0.31 |
12H-6, 46-47 |
111.16 |
71.3 |
0.90 |
0.10 |
10.5 |
0.40 |
13H-2, 46-47 |
114.66 |
73.6 |
1.19 |
0.11 |
12.6 |
0.47 |
13H-4, 46-47 |
117.66 |
69.0 |
1.73 |
0.15 |
13.5 |
0.37 |
13H-6, 46-47 |
120.66 |
63.0 |
2.12 |
0.18 |
13.4 |
0.74 |
14H-2, 46-47 |
124.16 |
73.6 |
1.18 |
0.11 |
12.4 |
0.45 |
14H-4, 46-47 |
127.16 |
74.9 |
1.17 |
0.10 |
13.0 |
|
14H-6, 46-47 |
130.16 |
66.1 |
1.50 |
0.14 |
12.8 |
|
15H-2, 46-47 |
133.66 |
76.8 |
2.21 |
0.18 |
14.5 |
0.75 |
15H-4, 46-47 |
136.66 |
76.6 |
1.58 |
0.12 |
14.8 |
|
15H-6, 46-47 |
139.66 |
79.8 |
1.18 |
0.10 |
14.1 |
0.41 |
16H-2, 46-47 |
143.16 |
81.0 |
1.46 |
0.11 |
14.8 |
0.53 |
16H-4, 46-47 |
146.16 |
63.0 |
1.63 |
0.16 |
12.3 |
0.50 |
16H-6, 46-47 |
149.16 |
75.6 |
2.07 |
0.16 |
15.5 |
0.67 |
17H-2, 46-47 |
152.66 |
79.3 |
1.40 |
0.12 |
14.1 |
0.48 |
17H-4, 46-47 |
155.66 |
78.9 |
1.12 |
0.09 |
13.8 |
0.28 |
17H-6, 46-47 |
158.66 |
76.9 |
1.26 |
0.13 |
10.9 |
0.32 |
18H-2, 46-47 |
162.16 |
76.4 |
1.41 |
0.11 |
14.5 |
0.43 |
18H-4, 46-47 |
165.16 |
75.3 |
1.79 |
0.15 |
14.0 |
0.48 |
18H-6, 46-47 |
168.16 |
77.7 |
1.04 |
0.09 |
13.1 |
0.35 |
19H-2, 46-47 |
171.66 |
70.3 |
1.58 |
0.14 |
13.6 |
|
19H-4, 46-47 |
174.66 |
82.3 |
1.15 |
0.10 |
13.5 |
0.25 |
19H-6, 46-47 |
177.66 |
72.9 |
1.75 |
0.14 |
14.6 |
0.52 |
20H-2, 46-47 |
181.16 |
69.9 |
0.94 |
0.10 |
11.4 |
|
20H-4, 46-47 |
184.16 |
75.4 |
1.63 |
0.14 |
13.9 |
0.32 |
20H-6, 46-47 |
187.16 |
79.5 |
0.75 |
0.08 |
11.6 |
0.18 |
21H-2, 46-47 |
190.66 |
70.1 |
1.14 |
0.12 |
11.1 |
0.38 |
21H-4, 46-47 |
193.66 |
72.7 |
0.84 |
0.09 |
11.1 |
0.20 |
21H-6, 46-47 |
196.66 |
72.2 |
0.68 |
0.08 |
10.2 |
0.24 |
22H-2, 46-47 |
200.16 |
77.3 |
0.75 |
0.07 |
11.8 |
0.30 |
22H-4, 46-47 |
203.16 |
79.2 |
0.96 |
0.08 |
14.1 |
0.45 |
22H-6, 46-47 |
206.16 |
72.2 |
1.32 |
0.12 |
13.1 |
0.40 |
23H-2, 46-47 |
209.66 |
75.9 |
0.83 |
0.09 |
10.9 |
0.21 |
23H-4, 46-47 |
212.66 |
90.5 |
0.70 |
0.05 |
15.0 |
0.18 |
24H-2, 46-47 |
219.16 |
84.6 |
0.52 |
0.05 |
11.5 |
|
24H-4, 46-47 |
222.16 |
73.0 |
0.65 |
0.08 |
9.7 |
0.18 |
24H-6, 46-47 |
225.16 |
67.2 |
0.72 |
0.09 |
9.6 |
0.32 |
25H-2, 46-47 |
228.66 |
80.5 |
0.42 |
0.05 |
9.1 |
0.16 |
25H-4, 46-47 |
231.66 |
72.2 |
0.53 |
0.06 |
10.5 |
0.17 |
25H-6, 46-47 |
234.66 |
74.2 |
1.30 |
0.11 |
13.7 |
0.31 |
26H-2, 46-47 |
238.16 |
83.7 |
1.03 |
0.08 |
14.3 |
0.27 |
26H-4, 46-47 |
241.16 |
80.9 |
0.67 |
0.07 |
11.3 |
0.18 |
27H-2, 46-47 |
247.66 |
76.7 |
0.57 |
0.06 |
11.7 |
|
175-1087C- |
||||||
28X-2, 46-47 |
250.56 |
77.5 |
0.79 |
0.08 |
11.8 |
0.26 |
175-1087A- |
||||||
27H-4, 46-47 |
250.66 |
69.8 |
0.91 |
0.10 |
11.0 |
|
175-1087C- |
||||||
28X-4, 46-47 |
253.56 |
84.3 |
0.35 |
0.04 |
10.3 |
0.08 |
175-1087A- |
||||||
27H-6, 46-47 |
253.66 |
69.1 |
0.66 |
0.07 |
10.7 |
0.13 |
175-1087C- |
||||||
28X-6, 46-47 |
256.56 |
85.8 |
0.32 |
0.04 |
10.2 |
|
29X-2, 46-47 |
256.86 |
76.8 |
0.59 |
0.07 |
10.3 |
0.27 |
29X-4, 46-47 |
259.86 |
88.2 |
0.26 |
0.03 |
9.5 |
|
30X-2, 46-47 |
263.16 |
79.3 |
0.78 |
0.08 |
12.0 |
0.14 |
30X-4, 46-47 |
266.16 |
80.6 |
0.62 |
0.06 |
12.2 |
|
30X-6, 46-47 |
269.16 |
86.9 |
0.49 |
0.05 |
12.3 |
0.09 |
31X-2, 46-47 |
272.76 |
86.2 |
0.35 |
0.04 |
10.2 |
|
31X-4, 46-47 |
275.76 |
84.6 |
0.26 |
0.03 |
8.9 |
0.08 |
31X-6, 46-47 |
278.76 |
83.2 |
0.35 |
0.04 |
9.8 |
0.11 |
32X-2, 46-47 |
282.36 |
91.0 |
0.29 |
0.02 |
13.6 |
0.06 |
32X-4, 46-47 |
285.36 |
86.9 |
0.29 |
0.03 |
10.0 |
0.09 |
32X-6, 46-47 |
288.36 |
68.6 |
0.32 |
0.04 |
10.1 |
0.10 |
33X-2, 46-47 |
291.96 |
90.0 |
0.41 |
0.04 |
12.8 |
0.11 |
33X-4, 46-47 |
294.96 |
82.8 |
0.31 |
0.04 |
8.5 |
0.09 |
33X-6, 46-47 |
297.96 |
78.0 |
0.51 |
0.06 |
9.9 |
|
34X-2, 46-47 |
301.66 |
78.2 |
0.43 |
0.05 |
9.4 |
0.22 |
34X-4, 46-47 |
304.66 |
89.0 |
0.36 |
0.04 |
11.4 |
|
34X-6, 46-47 |
307.66 |
84.8 |
0.28 |
0.04 |
9.0 |
|
35X-2, 46-47 |
311.21 |
87.0 |
0.51 |
0.05 |
12.1 |
0.11 |
35X-4, 46-47 |
314.21 |
87.5 |
0.34 |
0.04 |
11.2 |
0.08 |
35X-6, 46-47 |
317.21 |
82.5 |
0.51 |
0.05 |
11.1 |
0.10 |
36X-2, 46-47 |
320.86 |
79.3 |
0.43 |
0.05 |
9.7 |
0.14 |
36X-4, 46-47 |
323.86 |
78.8 |
0.59 |
0.07 |
10.4 |
0.13 |
37X-2, 46-47 |
330.46 |
78.3 |
0.25 |
0.04 |
6.7 |
0.06 |
37X-4, 46-47 |
333.46 |
77.9 |
0.37 |
0.05 |
8.0 |
|
37X-6, 46-47 |
336.46 |
79.1 |
0.34 |
0.05 |
7.8 |
|
38X-2, 46-47 |
340.16 |
77.2 |
0.32 |
0.05 |
8.1 |
0.19 |
38X-4, 46-47 |
343.16 |
82.1 |
0.42 |
0.05 |
10.2 |
|
38X-6, 46-47 |
346.16 |
75.5 |
0.34 |
0.06 |
7.0 |
0.17 |
39X-2, 46-47 |
349.76 |
60.1 |
0.55 |
0.09 |
7.0 |
0.27 |
39X-4, 46-47 |
352.76 |
57.1 |
0.46 |
0.09 |
6.3 |
0.06 |
39X-6, 46-47 |
355.76 |
63.7 |
0.27 |
0.06 |
5.6 |
0.31 |
40X-2, 46-47 |
359.36 |
59.4 |
0.30 |
0.07 |
5.2 |
|
40X-4, 46-47 |
362.36 |
65.2 |
0.33 |
0.07 |
5.8 |
0.18 |
40X-6, 46-47 |
365.36 |
74.4 |
0.29 |
0.06 |
6.1 |
0.09 |
41X-2, 46-47 |
369.06 |
70.9 |
0.34 |
0.06 |
7.1 |
0.22 |
41X-4, 46-47 |
372.06 |
77.7 |
0.26 |
0.04 |
7.8 |
0.09 |
42X-2, 46-47 |
378.66 |
85.6 |
0.26 |
0.04 |
7.6 |
0.05 |
42X-4, 46-47 |
381.66 |
71.4 |
0.25 |
0.04 |
8.3 |
0.07 |
42X-6, 46-47 |
384.66 |
76.5 |
0.37 |
0.06 |
7.5 |
|
43X-2, 46-47 |
388.26 |
73.5 |
0.22 |
0.05 |
5.5 |
0.08 |
43X-4, 46-47 |
391.26 |
77.2 |
0.26 |
0.03 |
9.6 |
0.04 |
43X-6, 46-47 |
394.26 |
77.6 |
0.28 |
0.05 |
6.7 |
0.05 |
44X-2, 46-47 |
397.96 |
76.2 |
0.20 |
0.04 |
5.7 |
0.10 |
44X-4, 46-47 |
400.96 |
78.1 |
0.21 |
0.03 |
9.2 |
0.13 |
44X-6, 46-47 |
403.96 |
81.1 |
0.20 |
0.03 |
6.8 |
0.05 |
46X-2, 46-47 |
417.16 |
60.7 |
0.17 |
0.04 |
5.6 |
1.09 |
46X-4, 46-47 |
420.16 |
71.8 |
0.13 |
0.03 |
6.2 |
0.56 |
46X-6, 46-47 |
423.16 |
75.1 |
0.12 |
0.02 |
6.4 |
|
Unit II: Lower Miocene-upper Eocene foraminifer-rich nannofossil ooze | ||||||
175-1087C- |
||||||
47X-4, 46-47 |
429.76 |
70.8 |
0.15 |
0.03 |
6.6 |
0.04 |
47X-6, 46-47 |
432.76 |
82.3 |
0.07 |
0.01 |
7.7 |
0.00 |
48X-2, 46-47 |
436.46 |
57.9 |
0.09 |
0.02 |
5.4 |
0.00 |
48X-4, 46-47 |
439.46 |
71.5 |
0.71 |
0.08 |
10.5 |
0.39 |
48X-6, 46-47 |
442.46 |
70.0 |
0.06 |
0.02 |
4.8 |
0.00 |
49X-2, 46-47 |
446.06 |
71.6 |
0.17 |
0.02 |
9.7 |
0.01 |
49X-4, 46-47 |
449.06 |
55.9 |
0.11 |
0.02 |
5.9 |
0.00 |
50X-2, 46-47 |
455.76 |
78.7 |
0.12 |
0.02 |
9.5 |
0.01 |
51X-2, 46-47 |
465.36 |
72.6 |
0.08 |
0.01 |
6.7 |
1.64 |
51X-4, 46-47 |
468.36 |
76.8 |
0.06 |
0.01 |
6.7 |
1.25 |
51X-6, 46-47 |
471.36 |
76.8 |
0.07 |
0.01 |
8.6 |
0.01 |
52X-2, 46-47 |
475.06 |
67.7 |
0.18 |
0.02 |
12.5 |
0.01 |
52X-4, 46-47 |
478.06 |
69.6 |
0.07 |
0.01 |
7.7 |
|
53X-2, 46-47 |
484.66 |
83.6 |
0.11 |
0.01 |
15.8 |
|
53X-4, 46-47 |
487.66 |
89.1 |
0.82 |
0.09 |
10.6 |
0.03 |
53X-6, 46-47 |
490.66 |
79.2 |
0.07 |
0.01 |
7.7 |
1.82 |
Notes: TOC = total organic carbon; TN = total nitrogen; TS = total sulfur. C/N values are calculated from TOC and TN concentrations and are given as atom/atom ratios.