Table 18.

Table T18. Inorganic carbon, carbonate, total carbon, total organic carbon, total nitrogen, total sulfur, and atomic organic carbon/nitrogen values for sediments from Holes 1123A, 1123B, and 1123C.

Core, section,
interval (cm) Depth
(mbsf) IC
(%) CaCO₃(%) TC
(%) TOC
(%) TN
(%) TS
(%) [C/N]_a

181-1123A-

5.8

1H-1, 10-11
0.1
6.69
55.7
7.33
0.64
0.13
ND
9

1H-1, 86-87
0.86
4.51
37.6
5.67
1.15
0.15
0.08

1H-4, 58-59
5.03
6.92
57.6

2H-3, 39-40
9.49
3.05
25.4

10.1

2H-4, 39-40
10.99
7.28
60.6
8.03
0.75
0.09
ND

3H-2, 76-77
17.86
8.65
72.1

3H-5, 100-102
22.6
5.39
44.9

9.4

4H-1, 67-69
25.77
4.25
35.4
5.32
1.07
0.13
ND

4H-1, 110-112
26.2
6.89
57.4

5H-3, 103-104
38.63
8.97
74.7

13.1

5H-4, 65-66
39.75
7.81
65.1
8.7
0.88
0.08
0.06

6H-2, 66-67
46.26
8.6
71.7

6H-4, 104-105
49.64
6.37
53.1

8.8

7H-4, 64-65
58.74
1.31
10.9
2.07
0.76
0.1
0.09
13.4

7H-6, 64-65
61.74
8.24
68.6
8.97
0.73
0.06
ND
8.8

8H-2, 60-61
65.2
4.39
36.6
5.15
0.76
0.1
ND

8H-4, 60-61
68.2
8.41
70

9H-4, 83-84
77.93
6.72
56

9H-4, 108-110
78.18
8.61
71.7

9.1

11H-2, 50-51
93.6
6.18
51.4
6.74
0.57
0.07
ND

11H-5, 50-51
98.1
9.57
79.7

12H-3, 35-36
104.45
8.46
70.5

9.6

12H-4, 35-36
105.95
7.03
58.6
7.77
0.73
0.09
0.06

13H-2, 119-120
113.29
9.29
77.4

13H-4, 139-139
116.04
8.17
68

13.6

14H-2, 123-124
122.83
8.25
68.7
8.89
0.64
0.06
ND

14H-4, 123-124
125.83
7.4
61.7

15H-3, 138-139
133.98
7.82
65.2

8.5

16H-1, 50-51
139.6
5.82
48.5
6.44
0.62
0.09
ND

16H-2, 88-89
141.48
7.15
59.6

17H-3, 36-37
151.96
7.94
66.1

17.6

17H-3, 133-134
152.93
8.94
74.4
9.57
0.63
0.04
0.3

181-1123B-

14H-1, 52-52
117.92
8.61
71.7

15H-1, 52-53
127.42
8.55
71.3

15.7

17H-3, 63-64
149.53
8.55
71.2
9.33
0.78
0.06
ND

17H-5, 89-90
152.79
7.82
65.1

17H-7, 11-12
155.01
8.31
69.2

18X-1, 39-40
155.79
8.77
73.1

4.6

18X-4, 130-131
161.2
4.4
36.6
4.73
0.33
0.08
0.22

18X-5, 92-93
162.32
6.93
57.7

19X-1, 48-49
163.18
6.64
55.3

11.7

19X-3, 52-53
166.26
7.32
61
7.95
0.62
0.06
0.26

19X-7, 15-16
171.97
7.29
60.7

5.3

20X-1, 60-61
172.9
1.85
15.4
2.25
0.4
0.09
0.12

20X-3, 60-61
175.94
6.93
57.8

20X-6, 60-61
180.48
6.37
53.1

12.1

21X-1, 66-67
182.56
6.61
55
7.34
0.73
0.07
ND

21X-2, 66-67
184.06
5.19
43.2

21X-3, 66-67
185.56
6.37
53.1

8.4

22X-2, 66-67
193.83
5.36
44.7
5.85
0.49
0.07
ND

22X-4, 116-117
197.33
5.53
46.1

22X-6, 93-94
200.1
7.31
60.9

23X-1, 73-74
201.93
5.01
41.7

7.9

23X-3, 73-74
204.93
8.25
67.9
8.63
0.48
0.07
ND

23X-5, 84-85
208.04
8.55
71.2

24X-2, 48-49
212.78
8.13
67.7

11.8

24X-5, 39-40
217.19
6.29
52.4
7.06
0.77
0.08
ND

25X-3, 90-91
224.3
6.36
53

25X-4, 35-36
225.25
8
66.6

14

26X-1, 28-29
230.28
8.06
67.2
8.72
0.66
0.06
0.1

26X-2, 87-88
232.37
7.53
62.8

27X-1, 146-147
241.06
6.44
53.7

6.3

27X-4, 47-48
244.57
3.98
33.1
4.48
0.5
0.09
ND

28X-2, 77-78
251.47
5.92
49.3

28X-4, 77-78
254.47
6.73
56

11.4

29X-2, 49-50
260.79
6.73
56
7.47
0.74
0.08
0.1

29X-5, 42-43
265.22
6.72
55.9

30X-1, 33-34
268.73
7.05
58.7

4.4

30X-4, 36-37
273.26
5.4
45
5.68
0.28
0.07
ND

30X-6, 5-6
275.95
5.09
42.4

31X-1, 115-116
279.25
6.84
57

9.1

31X-3, 125-126
282.35
6.19
51.5
6.86
0.67
0.09
ND

32X-1, 85-87
288.55
6.21
51.8

32X-1, 115-117
288.85
5.12
42.6

33X-1, 24-25
297.54
7.48
62.3

10

33X-2, 118-119
299.98
5.82
48.5
6.5
0.68
0.08
ND

33X-3, 131-132
301.61
5.43
45.2

34X-3, 4-5
309.94
7.02
58.5

10

34X-5, 47-48
313.37
6.58
54.8
7.18
0.59
0.07
ND

34X-5, 55-56
313.45
6.64
55.3

35X-1, 117-117
317.67
6.85
57

13.4

35X-5, 27-28
322.77
6.12
51
6.73
0.61
0.05
ND

35X-6, 88-89
324.88
7.2
60

36X-1, 42-43
326.32
8.24
68.6

25.9

36X-5, 41-42
332.31
8.51
70.9
8.96
0.44
0.02
ND

37X-3, 135-136
339.85
7.96
66.3

37X-5, 42-43
341.92
7.94
66.1

17.2

38X-2, 81-82
347.41
8.01
66.7
8.6
0.59
0.04
ND

38X-4, 81-82
350.41
7.87
65.5

39X-1, 55-56
355.25
7.88
65.7

39X-4, 84-85
360.04
6.47
53.9

14.2

40X-2, 61-62
366.51
7.93
66
8.42
0.49
0.04
ND

40X-5, 61-62
371.01
8.62
71.8

41X-2, 42-43
376.02
7.7
64.1

41X-5, 44-45
380.54
7.74
64.5

42X-1, 92-93
384.62
8.32
69.3

43X-1, 67-68
394.07
6.53
54.4

43X-4, 15-16
398.05
8.03
66.9

12.7

44X-1, 112-113
404.12
7.08
59
7.65
0.57
0.05
ND

44X-4, 37-38
407.87
7.94
66.1

45X-1, 110-111
413.7
7.96
66.3

45X-3, 43-44
416.03
8.22
68.5

11

46X-1, 94-95
423.14
8.63
71.9
9.09
0.47
0.05
ND

46X-4, 82-83
427.52
6.99
58.3

47X-1, 111-112
432.91
8.26
68.8

14.7

47X-2, 88-89
434.18
8.25
68.7
8.88
0.63
0.05
ND

47X-4, 13-14
436.43
7.68
64

48X-1, 14-15
441.64
8.59
71.5

14.7

48X-1, 59-60
442.09
8.59
71.6
9.22
0.63
0.05
ND

49X-1, 39-40
451.19
8.21
68.4

9.4

49X-3, 118-119
454.98
5.81
48.4
6.33
0.52
0.06
0.04

49X-4, 95-96
456.25
8.42
70.1

50X-1, 31-32
460.71
5.23
43.5

10.8

50X-2, 112-113
463.02
7.71
64.2
8.17
0.46
0.05
ND

50X-6, 20-21
468.1
4.92
41

51X-4, 46-47
474.96
6.6
55

6.3

51X-6, 100-101
478.5
2.39
19.9
2.74
0.35
0.07
ND

52X-1, 42-43
479.72
4.92
41

3.2

52X-5, 49-50
485.79
7.25
60.4
7.42
0.16
0.06
ND

Core, section, interval (cm)	Depth (mbsf)	IC (%)	CaCO₃(%)	TC (%)	TOC (%)	TN (%)	TS (%)	[C/N]_a
181-1123A-								5.8
1H-1, 10-11	0.1	6.69	55.7	7.33	0.64	0.13	ND	9
1H-1, 86-87	0.86	4.51	37.6	5.67	1.15	0.15	0.08
1H-4, 58-59	5.03	6.92	57.6
2H-3, 39-40	9.49	3.05	25.4					10.1
2H-4, 39-40	10.99	7.28	60.6	8.03	0.75	0.09	ND
3H-2, 76-77	17.86	8.65	72.1
3H-5, 100-102	22.6	5.39	44.9					9.4
4H-1, 67-69	25.77	4.25	35.4	5.32	1.07	0.13	ND
4H-1, 110-112	26.2	6.89	57.4
5H-3, 103-104	38.63	8.97	74.7					13.1
5H-4, 65-66	39.75	7.81	65.1	8.7	0.88	0.08	0.06
6H-2, 66-67	46.26	8.6	71.7
6H-4, 104-105	49.64	6.37	53.1					8.8
7H-4, 64-65	58.74	1.31	10.9	2.07	0.76	0.1	0.09	13.4
7H-6, 64-65	61.74	8.24	68.6	8.97	0.73	0.06	ND	8.8
8H-2, 60-61	65.2	4.39	36.6	5.15	0.76	0.1	ND
8H-4, 60-61	68.2	8.41	70
9H-4, 83-84	77.93	6.72	56
9H-4, 108-110	78.18	8.61	71.7					9.1
11H-2, 50-51	93.6	6.18	51.4	6.74	0.57	0.07	ND
11H-5, 50-51	98.1	9.57	79.7
12H-3, 35-36	104.45	8.46	70.5					9.6
12H-4, 35-36	105.95	7.03	58.6	7.77	0.73	0.09	0.06
13H-2, 119-120	113.29	9.29	77.4
13H-4, 139-139	116.04	8.17	68					13.6
14H-2, 123-124	122.83	8.25	68.7	8.89	0.64	0.06	ND
14H-4, 123-124	125.83	7.4	61.7
15H-3, 138-139	133.98	7.82	65.2					8.5
16H-1, 50-51	139.6	5.82	48.5	6.44	0.62	0.09	ND
16H-2, 88-89	141.48	7.15	59.6
17H-3, 36-37	151.96	7.94	66.1					17.6
17H-3, 133-134	152.93	8.94	74.4	9.57	0.63	0.04	0.3
181-1123B-
14H-1, 52-52	117.92	8.61	71.7
15H-1, 52-53	127.42	8.55	71.3					15.7
17H-3, 63-64	149.53	8.55	71.2	9.33	0.78	0.06	ND
17H-5, 89-90	152.79	7.82	65.1
17H-7, 11-12	155.01	8.31	69.2
18X-1, 39-40	155.79	8.77	73.1					4.6
18X-4, 130-131	161.2	4.4	36.6	4.73	0.33	0.08	0.22
18X-5, 92-93	162.32	6.93	57.7
19X-1, 48-49	163.18	6.64	55.3					11.7
19X-3, 52-53	166.26	7.32	61	7.95	0.62	0.06	0.26
19X-7, 15-16	171.97	7.29	60.7					5.3
20X-1, 60-61	172.9	1.85	15.4	2.25	0.4	0.09	0.12
20X-3, 60-61	175.94	6.93	57.8
20X-6, 60-61	180.48	6.37	53.1					12.1
21X-1, 66-67	182.56	6.61	55	7.34	0.73	0.07	ND
21X-2, 66-67	184.06	5.19	43.2
21X-3, 66-67	185.56	6.37	53.1					8.4
22X-2, 66-67	193.83	5.36	44.7	5.85	0.49	0.07	ND
22X-4, 116-117	197.33	5.53	46.1
22X-6, 93-94	200.1	7.31	60.9
23X-1, 73-74	201.93	5.01	41.7					7.9
23X-3, 73-74	204.93	8.25	67.9	8.63	0.48	0.07	ND
23X-5, 84-85	208.04	8.55	71.2
24X-2, 48-49	212.78	8.13	67.7					11.8
24X-5, 39-40	217.19	6.29	52.4	7.06	0.77	0.08	ND
25X-3, 90-91	224.3	6.36	53
25X-4, 35-36	225.25	8	66.6					14
26X-1, 28-29	230.28	8.06	67.2	8.72	0.66	0.06	0.1
26X-2, 87-88	232.37	7.53	62.8
27X-1, 146-147	241.06	6.44	53.7					6.3
27X-4, 47-48	244.57	3.98	33.1	4.48	0.5	0.09	ND
28X-2, 77-78	251.47	5.92	49.3
28X-4, 77-78	254.47	6.73	56					11.4
29X-2, 49-50	260.79	6.73	56	7.47	0.74	0.08	0.1
29X-5, 42-43	265.22	6.72	55.9
30X-1, 33-34	268.73	7.05	58.7					4.4
30X-4, 36-37	273.26	5.4	45	5.68	0.28	0.07	ND
30X-6, 5-6	275.95	5.09	42.4
31X-1, 115-116	279.25	6.84	57					9.1
31X-3, 125-126	282.35	6.19	51.5	6.86	0.67	0.09	ND
32X-1, 85-87	288.55	6.21	51.8
32X-1, 115-117	288.85	5.12	42.6
33X-1, 24-25	297.54	7.48	62.3					10
33X-2, 118-119	299.98	5.82	48.5	6.5	0.68	0.08	ND
33X-3, 131-132	301.61	5.43	45.2
34X-3, 4-5	309.94	7.02	58.5					10
34X-5, 47-48	313.37	6.58	54.8	7.18	0.59	0.07	ND
34X-5, 55-56	313.45	6.64	55.3
35X-1, 117-117	317.67	6.85	57					13.4
35X-5, 27-28	322.77	6.12	51	6.73	0.61	0.05	ND
35X-6, 88-89	324.88	7.2	60
36X-1, 42-43	326.32	8.24	68.6					25.9
36X-5, 41-42	332.31	8.51	70.9	8.96	0.44	0.02	ND
37X-3, 135-136	339.85	7.96	66.3
37X-5, 42-43	341.92	7.94	66.1					17.2
38X-2, 81-82	347.41	8.01	66.7	8.6	0.59	0.04	ND
38X-4, 81-82	350.41	7.87	65.5
39X-1, 55-56	355.25	7.88	65.7
39X-4, 84-85	360.04	6.47	53.9					14.2
40X-2, 61-62	366.51	7.93	66	8.42	0.49	0.04	ND
40X-5, 61-62	371.01	8.62	71.8
41X-2, 42-43	376.02	7.7	64.1
41X-5, 44-45	380.54	7.74	64.5
42X-1, 92-93	384.62	8.32	69.3
43X-1, 67-68	394.07	6.53	54.4
43X-4, 15-16	398.05	8.03	66.9					12.7
44X-1, 112-113	404.12	7.08	59	7.65	0.57	0.05	ND
44X-4, 37-38	407.87	7.94	66.1
45X-1, 110-111	413.7	7.96	66.3
45X-3, 43-44	416.03	8.22	68.5					11
46X-1, 94-95	423.14	8.63	71.9	9.09	0.47	0.05	ND
46X-4, 82-83	427.52	6.99	58.3
47X-1, 111-112	432.91	8.26	68.8					14.7
47X-2, 88-89	434.18	8.25	68.7	8.88	0.63	0.05	ND
47X-4, 13-14	436.43	7.68	64
48X-1, 14-15	441.64	8.59	71.5					14.7
48X-1, 59-60	442.09	8.59	71.6	9.22	0.63	0.05	ND
49X-1, 39-40	451.19	8.21	68.4					9.4
49X-3, 118-119	454.98	5.81	48.4	6.33	0.52	0.06	0.04
49X-4, 95-96	456.25	8.42	70.1
50X-1, 31-32	460.71	5.23	43.5					10.8
50X-2, 112-113	463.02	7.71	64.2	8.17	0.46	0.05	ND
50X-6, 20-21	468.1	4.92	41
51X-4, 46-47	474.96	6.6	55					6.3
51X-6, 100-101	478.5	2.39	19.9	2.74	0.35	0.07	ND
52X-1, 42-43	479.72	4.92	41					3.2
52X-5, 49-50	485.79	7.25	60.4	7.42	0.16	0.06	ND