Table 3. Relative abundance of carbonate minerals in Leg 164 samples as determined by postcruise X-ray diffraction.
| Core,
section, interval (cm) |
Depth (mbsf) |
XRD | ||
|---|---|---|---|---|
| Calcite (wt%) | Dolomite (wt%) | Siderite (wt%) | ||
164-994A- |
||||
1H-1, 140-150 |
1.40 |
10 |
4 |
0 |
2H-1, 140-150 |
9.30 |
45 |
8 |
0 |
2H-5, 140-150 |
15.30 |
38 |
2 |
0 |
3H-2, 45-60 |
19.35 |
15 |
1 |
0 |
3H-3, 140-150 |
21.80 |
23 |
3 |
0 |
3H-5, 140-150 |
24.80 |
28 |
3 |
0 |
4H-2, 140-150 |
28.89 |
20 |
5 |
0 |
4H-6, 140-150 |
34.89 |
27 |
7 |
0 |
164-994C- |
||||
5H-6, 90-91 |
41.30 |
12 |
32 |
0 |
5H-6, 90-92 |
41.31 |
13 |
27 |
0 |
10H-1, 121-123 |
73.12 |
13 |
43 |
0 |
10H-6, 102-103 |
80.42 |
23 |
37 |
0 |
12H-2, 140-150 |
93.80 |
15 |
0 |
2 |
12H-5, 124-125 |
98.14 |
26 |
14 |
0 |
17H-3,140-150 |
142.80 |
10 |
0 |
0 |
30X-2, 140-150 |
244.60 |
11 |
0 |
1 |
164-994D- |
||||
4X-1, 51-53 |
261.52 |
17 |
0 |
2 |
4X-1, 51-53 |
261.52 |
18 |
0 |
2 |
164-994C- |
||||
44X-1, 135-150 |
368.15 |
13 |
0 |
2 |
52X-2, 21-23 |
426.22 |
14 |
0 |
2 |
54X-3, 140-150 |
439.50 |
19 |
0 |
2 |
75X-4, 24-26 |
612.00 |
15 |
0 |
2 |
75X-4, 135-150 |
613.05 |
8 |
0 |
2 |
78X-1, 60-62 |
636.81 |
11 |
0 |
5 |
78X-1, 62-63 |
636.82 |
8 |
0 |
27 |
78X-4, 120-122 |
641.43 |
11 |
0 |
6 |
80X-3, 137-139 |
658.79 |
7 |
0 |
6 |
83X-3, 57-59 |
687.26 |
9 |
0 |
6 |
164-995A- |
||||
1H-1, 140-150 |
1.45 |
9 |
2 |
0 |
164-995B- |
||||
1H-3, 108-118 |
4.08 |
17 |
2 |
0 |
1H-5, 140-150 |
7.40 |
48 |
1 |
0 |
164-995A- |
||||
3H-1, 150-155 |
12.73 |
17 |
1 |
0 |
3H-6, 140-150 |
20.25 |
15 |
3 |
0 |
6H-6, 83-85 |
48.04 |
13 |
28 |
0 |
13H-5, 140-150 |
105.10 |
15 |
1 |
0 |
17H-5, 140-150 |
143.10 |
13 |
0 |
2 |
24X-1, 135-150 |
195.35 |
9 |
0 |
2 |
24X-1, 135-150 |
195.35 |
9 |
0 |
2 |
26X-1, 24-26 |
214.08 |
7 |
0 |
2 |
28X-3, 135-150 |
228.25 |
7 |
0 |
2 |
31X-2, 135-150 |
255.15 |
9 |
0 |
2 |
31X-6, 38-40 |
260.12 |
15 |
0 |
2 |
31X-6, 40-42 |
260.14 |
12 |
0 |
2 |
35X-3, 130-150 |
295.00 |
10 |
0 |
2 |
36P-1, 9-24 |
300.39 |
13 |
0 |
2 |
42X-1, 130-150 |
349.90 |
14 |
0 |
2 |
42X-3, 103-104 |
352.63 |
14 |
0 |
3 |
42X-3, 103-105 |
352.64 |
13 |
0 |
3 |
42X-3, 130-150 |
352.90 |
8 |
0 |
2 |
44X-1, 130-150 |
369.20 |
9 |
0 |
2 |
46X-3, 130-150 |
382.39 |
10 |
0 |
3 |
49X-4, 130-150 |
403.60 |
19 |
0 |
2 |
51X-2, 130-150 |
418.80 |
15 |
0 |
2 |
53X-1, 44-46 |
427.05 |
15 |
0 |
2 |
53X-1, 54-56 |
427.15 |
14 |
0 |
2 |
54X-2, 130-150 |
438.00 |
17 |
0 |
2 |
55X-1, 130-150 |
446.20 |
14 |
0 |
2 |
61X-6, 9-39 |
500.34 |
11 |
0 |
2 |
64X-4, 130-150 |
527.80 |
8 |
0 |
2 |
71X-4, 130-150 |
585.64 |
10 |
0 |
2 |
71X-6, 141-142 |
588.75 |
5 |
0 |
22 |
71X-6, 141-143 |
588.76 |
6 |
0 |
14 |
71X-6, 143-145 |
588.78 |
3 |
0 |
23 |
78X-1, 105-125 |
647.95 |
12 |
0 |
2 |
81X-5, 94-95 |
682.65 |
8 |
0 |
5 |
81X-5, 95-96 |
682.66 |
8 |
0 |
10 |
81X-5, 130-150 |
683.00 |
7 |
0 |
12 |
83X-5, 16-18 |
701.10 |
14 |
0 |
3 |
83X-7, 0-20 |
703.80 |
8 |
0 |
2 |
164-997A- |
||||
5H-CC, 20-21 |
41.19 |
10 |
32 |
0 |
8H-3, 15-16 |
56.05 |
4 |
37 |
0 |
21X-2, 140-150 |
169.80 |
11 |
0 |
1 |
26X-2, 50-52 |
205.41 |
10 |
0 |
4 |
26X-2, 51-52 |
205.42 |
7 |
0 |
30 |
27X-1, 120-122 |
213.21 |
10 |
0 |
2 |
164-997B- |
||||
2X-2, 49-50 |
330.10 |
19 |
0 |
3 |
2X-2, 51-52 |
330.11 |
12 |
1 |
16 |
8X-1, 70-72 |
443.71 |
12 |
0 |
3 |
8X-3, 141-143 |
447.42 |
13 |
0 |
3 |
20X-3, 125-150 |
543.45 |
11 |
0 |
2 |
23X-3, 120-121 |
562.60 |
7 |
0 |
9 |
23X-3, 120-122 |
562.61 |
7 |
0 |
4 |
33X-2, 109-111 |
638.06 |
8 |
1 |
6 |
33X-2, 110-111 |
638.07 |
14 |
1 |
16 |
46X-3, 119-120 |
734.43 |
18 |
0 |
2 |
46X-3, 120-121 |
734.44 |
6 |
0 |
26 |
47X-2, 44-46 |
743.04 |
10 |
0 |
3 |
47X-2, 45-46 |
743.05 |
10 |
0 |
5 |