Table T6. Normalized relative mineral abundances based on X-ray diffraction analysis of random bulk-sediment powders, Hole 1177A.

Unit Core, section, interval (cm) Depth
(mbsf)		   Normalized abundance (wt%) Peak area ratio:
(101) cristobalite/
(100) quartz
Total clay minerals
Quartz
Plagioclase
Calcite
I 190-1177A-







1R-2, 84-85 302.54
50 33 13 4 0.38

1R-4, 130-131 306.00
54 32 14 0 0.36

2R-2, 106-107 311.76
51 36 13 0 0.37

3R-2, 120-121 321.60
50 30 12 9 0.40

3R-4, 85-86 324.25
53 33 14 0 0.38

4R-3, 105-106 332.55
51 36 13 0 0.36

4R-5, 21-22 334.71
44 30 14 12 0.39

5R-1, 35-36 338.45
40 29 23 8 1.11

5R-3, 95-96 340.55
51 36 13 0 0.36

5R-4, 65-66 341.75
48 36 16 0 0.41

6R-1, 67-68 348.37
49 32 14 5 0.39

7R-4, 123-124 363.03
48 35 14 3 0.32

7R-6, 62-63 365.42
41 33 13 13 0.35

8R-2, 54-56 369.04
48 35 14 3 0.31

9R-1, 48-49 377.08
47 38 15 0 0.37

9R-3, 108-109 380.68
47 38 15 0 0.49

10R-2, 149-150 389.09
47 39 15 0 0.36

11R-1, 133-134 397.03
51 37 13 0 0.33


Mean Unit I:
48 34 14 3 0.41
II 11R-6, 35-36 403.55
56 32 12 0 0.27

12R-1, 56-57 405.86
52 37 11 0 0.30

13R-4, 114-115 420.54
57 33 10 0 0.23

13R-7, 46-47 424.36
55 33 12 0 0.23

13R-CC, 25-26 424.75
56 34 10 0 0.22

14R-4, 129-130 430.29
56 31 10 3 0.19

15R-3, 112-113 438.32
59 31 10 0 0.17

15R-CC, 10-11 443.90
52 34 10 3 0.19

16R-1, 90-91 444.80
51 33 8 9 0.21

16R-3, 117-118 448.07
55 34 10 1 0.18


Mean Unit II:
55 33 10 2 0.22
III 16R-4, 144-145 449.84
61 28 11 0 0.15

16R-4, 149-150 449.89
34 48 18 0 0.20

16R-4, 66-67 449.06
57 30 13 0 0.20

17R-1, 114-115 454.64
54 34 12 0 0.21

17R-2, 24-25 455.24
55 34 11 0 0.18

17R-2, 98-99 455.98
54 35 11 0 0.22

19R-4, 118-119 478.48
51 32 8 9 0.37

19R-6, 42-43 480.72
56 33 11 0 0.26

19R-7, 36-38 482.16
54 35 11 0 0.18

20R-1, 106-107 483.46
50 37 14 0 0.22

20R-2, 62-63 484.52
49 38 14 0 0.21

21R-1, 37-38 492.37
43 41 16 0 0.21

22R-CC, 8-9 502.52
38 41 20 0 0.25

23R-2, 42-43 512.95
56 31 13 0 0.18

24R-3, 147-148 525.17
55 26 19 0 0.33

24R-4, 1-2 525.21
53 36 11 0 0.19

24R-4, 54-55 525.74
60 30 10 0 0.18

24R-5, 129-130 527.69
57 34 9 0 0.19

24R-6, 129-130 529.19
57 35 9 0 0.20

25R-2, 130-131 533.20
56 35 9 0 0.17

25R-6, 108-109 538.98
55 34 10 0 0.22

25R-7, 16-17 539.56
22 12 4 61 0.21

26R-1, 79-80 540.89
25 54 21 0 0.16

27R-1, 96-97 550.66
35 45 20 0 0.24

29R-1, 34-35 569.24
62 28 10 0 0.19

29R-1, 87-88 569.77
55 34 11 0 0.21

29R-2, 125-126 571.65
58 33 10 0 0.19

30R-2, 39-40 580.39
60 33 7 0 0.18

30R-4, 119-120 584.19
57 34 9 0 0.20

30R-7, 46-47 587.96
58 36 6 0 0.15

31R-1, 21-22 588.41
57 35 8 0 0.19

31R-2, 59-60 590.29
59 35 7 0 0.16

31R-CC, 11-12 591.13
61 32 7 0 0.18

32R-1, 6-7 597.86
0 9 4 88 0.32

32R-1, 60-61 598.40
58 35 8 0 0.14

33R-1, 15-16 607.65
54 36 9 0 0.12

33R-1, 87-88 608.37
47 40 13 0 0.19

33R-2, 71-72 609.71
60 32 8 0 0.16

34R-CC, 14-15 617.24
49 40 11 0 0.21

35R-2, 70-71 627.92
63 28 8 0 0.14

35R-3, 8-9 628.28
52 38 10 0 0.16

36R-1, 116-117 637.46
59 33 7 0 0.12

36R-1, 24-25 636.54
55 35 11 0 0.18

37R-2, 80-81 647.20
62 30 8 0 0.13

37R-3, 32-33 647.72
48 36 14 1 0.27

38R-CC, 20-21 656.37
52 37 11 0 0.14

39R-1, 95-96 666.15
66 25 9 0 0.37

39R-2, 142-144 668.12
14 9 3 74 0.34

40R-1, 115-116 675.95
60 32 8 0 0.17

41R-1, 131-132 685.71
46 38 16 0 0.26

41R-2, 99-100 686.89
57 30 12 0 0.22

42R-1, 119-120 695.19
51 34 16 0 0.28

43R-1, 5-6 703.75
59 34 7 0 0.21

43R-2, 118-119 706.38
60 32 8 0 0.21

44R-1, 39-40 713.69
57 33 10 0 0.20

44R-2, 72-73 715.52
60 32 8 0 0.20

45R-1, 127-128 724.17
61 34 5 0 0.24

45R-2, 86-87 725.26
68 26 6 0 0.22

46R-1, 119-120 733.69
59 33 8 0 0.19

46R-1, 21-22 732.71
59 32 8 0 0.18

46R-2, 125-126 735.25
41 36 23 0 0.14

46R-3, 139-140 736.89
56 36 8 0 0.38

46R-3, 9-10 735.59
58 32 10 0 0.24

46R-3, 9-10 735.59
58 32 10 0 0.24

47R-1, 38-39 742.48
63 30 7 0 0.14

47R-3, 101-102 746.11
63 29 8 0 0.11


Mean Unit III
53 33 10 4 0.21
IV 47R-5, 99-100 749.09
61 33 7 0 0.14

48R-4, 118-119 757.38
55 34 11 0 0.16

48R-6, 115-116 760.35
59 33 8 0 0.26

48R-7, 7-8 760.77
64 28 8 0 0.16

49R-2, 147-148 764.27
61 32 7 0 0.24

49R-2, 65-66 763.45
58 31 11 0 0.26

49R-3, 117-118 765.47
57 33 10 0 0.55

49R-4, 21-22 766.01
61 32 7 0 0.33

49R-5, 74-75 768.04
63 31 6 0 0.49

50R-3, 36-37 774.34
44 35 21 0 0.37

51R-2, 27-28 782.37
61 22 17 0 0.66

52R-2, 18-19 791.98
60 32 7 0 0.45

52R-2, 56-57 792.36
59 32 9 0 1.12

52R-3, 28-29 793.58
61 29 10 0 0.41

52R-3, 49-50 793.79
57 32 10 0 0.26

53R-2, 59-60 801.99
65 26 9 0 0.15

53R-3, 118-119 804.08
62 29 9 0 0.16

53R-6, 61-62 808.01
61 29 10 0 0.22

54R-1, 124-125 810.74
44 42 14 0 0.19

54R-2, 50-51 811.50
62 31 7 0 0.26

54R-3, 69-70 813.19
61 31 8 0 0.24

54R-5, 58-59 816.08
43 40 17 0 0.36

55R-1, 118-119 820.38
63 29 7 0 0.21

55R-3, 24-25 822.44
66 25 9 0 0.36

56R-1, 122-123 830.02
53 29 5 14 0.39

56R-2, 47-48 830.77
60 30 10 0 0.16

56R-2, 73-74 831.03
65 30 5 0 0.20


Mean Unit IV:
59 31 10 1 0.32