Table T5. Normalized relative mineral abundances based on X-ray diffraction analysis of random bulk-sediment powders, Hole 1176A.

Unit Core, section,
interval (cm)		 Depth
(mbsf)
Normalized relative mineral abundance (wt%)
Peak area ratio:
(101) Cristobalite/(100) Quartz
Total clay minerals
Quartz
Plagioclase
Calcite
I 190-1176A-






1H-3, 137-138 4.37 41 33 14 13
0.33
1H-4, 137-138 5.87 39 32 16 13
0.28
2H-2, 136-137 10.26 44 33 12 12
0.30
2H-4, 137-138 13.27 44 28 12 17
0.25
2H-6, 87-88 15.77 38 29 11 22
0.35
3H-2, 137-138 19.77 33 24 11 32
0.40
3H-4, 138-139 22.78 38 27 10 25
0.25
3H-6, 89-90 25.29 36 31 14 18
0.34
4H-2, 140-141 29.30 45 29 12 14
0.30
4H-3, 66-67 30.06 44 33 12 11
0.28
4H-5, 138-139 33.78 34 29 12 26
0.34
5H-5, 71-72 42.61 36 28 11 26
0.49
6H-4, 107-108 50.97 45 28 12 15
0.34
7H-4, 128-129 60.68 39 27 11 23
0.25
7H-6, 9-10 62.49 40 24 31 5
0.63
8H-1, 68-69 65.08 38 26 9 26
0.33
9H-3, 130-131 78.20 31 22 12 35
0.33
9H-6, 69-70 82.09 25 19 9 47
0.34
10H-2, 79-80 85.69 33 24 8 35
0.32
10H-3, 131-132 87.71 30 24 15 31
0.40
11H-4, 105-106 98.45 38 26 10 26
0.33
12H-4, 129-130 107.26 46 27 10 17
0.29
13H-1, 126-127 113.16 42 29 12 17
0.42
14H-2, 80-81 123.70 35 25 10 29
0.29
14H-4, 131-132 127.21 36 28 10 26
0.22
15H-3, 129-130 135.19 40 29 12 20
0.31
16H-5, 129-130 147.69 38 24 12 26
0.24
17H-4, 132-133 155.72 30 25 10 35
0.47
18H-1, 135-136 160.75 36 23 10 31
0.52
19H-3, 128-129 166.68 36 24 10 31
0.30
19H-5, 76-77 169.16 41 27 13 19
0.31
20X-1, 42-43 171.02 43 25 11 21
0.30
21X-5, 121-122 187.41 46 28 12 14
0.26
22X-3, 104-105 193.94 38 28 9 25
0.29
Mean Unit I: 38 27 12 23
0.34
II 23X-3, 58-59 203.08 42 30 13 16
0.37
24X-3, 88-89 212.98 44 29 11 16
0.30
24X-6, 60-61 217.20 35 23 8 33
0.26
25X-2, 121-122 221.41 40 29 11 20
0.30
Mean Unit II: 40 28 11 21
0.31
III 25X-4, 70-71 223.90 39 38 16 7
0.16
26X-2, 119-120 230.99 40 38 15 6
0.24
27X-1, 119-120 239.09 41 36 23 0
0.18
29X-CC, 26-27 257.36 38 36 26 0
0.28
33X-CC, 17-18 296.66 47 37 16 0
0.26
34X-CC, 22-23 305.52 25 59 16 0
0.11
35X-1, 29-30 315.19 33 49 15 3
0.13
36X-1, 29-30 324.79 35 46 19 0
0.17
36X-2, 69-70 325.62 33 50 17 0
0.14
37X-1, 39-40 334.49 36 44 19 0
0.17
39X-1, 23-24 353.63 36 39 25 0
0.22
40X-1, 50-51 363.50 29 46 25 0
0.11
41X-CC, 12-13 372.82 44 41 14 0
0.28
43X-1, 120-121 393.20 36 43 21 0
0.16
43X-2, 129-130 394.79 42 37 22 0
0.34
43X-2, 58-59 394.08 37 19 6 39
0.28
44X-CC, 2-3 402.41 39 42 20 0
0.16
Mean Unit III: 37 41 18 3
0.20