Table T4. Peak intensities and peak areas from X-ray diffraction analysis of bulk-powder sediment samples, Hole 1176A.

Core, section, interval (cm) Depth (mbsf) X-ray diffraction peak intensity (cps)   X-ray diffraction peak area (total counts)
Smectite
+ chlorite
Illite
Chlorite
+ kaolinite
(101)
Quartz
Plagioclase
Calcite
(100)
Quartz
(101)
Cristobalite
Smectite
+ chlorite
Illite
Chlorite
+ kaolinite
(101)
Quartz
Plagioclase
Calcite
(100)
Quartz
(101)
Cristobalite
190-1176A-

















1H-2, 135-136 2.85 58 183 142 1,970 352 638 330 126
2,246 2,791 2,377 25,968 10,107 8,537 4,249 1,453
1H-3, 137-138 4.37 51 103 126 1,855 346 436 314 102
1,636 2,309 2,031 24,919 9,120 5,672 4,049 1,318
1H-4, 137-138 5.87 53 100 122 1,877 601 474 282 91
1,847 2,160 2,169 24,830 11,155 6,147 3,878 1,086
2H-2, 136-137 10.26 58 125 137 2,186 398 451 339 99
2,291 2,775 2,425 28,339 9,201 6,236 4,441 1,314
2H-4, 137-138 13.27 53 112 124 1,586 302 536 297 85
2,214 2,447 2,073 21,229 8,236 7,419 3,991 1,014
2H-6, 87-88 15.77 46 87 96 1,540 309 693 258 87
2,156 1,852 1,608 20,188 7,786 9,160 3,386 1,188
3H-2, 137-138 19.77 43 81 93 1,484 299 1,028 258 85
1,746 1,833 1,876 19,290 7,935 13,871 3,252 1,287
3H-4, 138-139 22.78 46 85 89 1,596 297 845 337 77
2,222 2,027 1,755 20,766 7,172 11,197 4,261 1,054
3H-6, 89-90 25.29 49 90 98 1,672 291 509 247 82
1,566 1,800 1,826 21,846 8,771 7,214 3,384 1,166
4H-2, 140-141 29.30 60 102 113 1,868 326 439 308 91
1,745 2,840 2,070 23,910 8,499 6,246 3,798 1,121
4H-3, 66-67 30.06 56 101 126 1,963 316 385 338 96
2,150 2,532 2,359 25,899 8,586 5,459 4,521 1,282
4H-5, 138-139 33.78 43 98 102 1,720 284 797 270 90
1,487 1,911 1,900 22,678 7,854 10,599 3,460 1,189
5H-5, 71-72 42.61 39 82 88 1,672 274 811 237 114
1,798 1,950 1,815 21,182 7,593 10,840 3,178 1,571
6H-4, 107-108 50.97 45 122 123 1,687 372 491 296 91
2,157 2,706 2,469 22,950 8,598 7,059 3,637 1,222
7H-4, 128-129 60.68 59 115 112 1,792 321 847 285 69
2,161 2,446 2,065 22,962 8,621 10,686 3,702 932
7H-6, 9-10 62.49 34 32 36 465 564 93 175 64
1,495 690 637 6,297 9,424 1,436 2,017 1,280
8H-1, 68-69 65.08 53 104 104 1,731 270 985 262 84
2,186 2,364 2,155 22,230 7,200 12,476 3,167 1,033
9H-3, 130-131 78.20 33 76 73 1,353 556 1,268 222 70
1,815 1,779 1,359 17,694 9,360 16,118 2,943 979
9H-6, 69-70 82.09 36 66 65 1,066 217 1,451 184 63
1,269 1,266 1,201 13,729 5,548 18,714 2,347 808
10H-2, 79-80 85.69 43 85 87 1,578 245 1,294 266 73
1,990 1,953 1,656 20,196 6,509 16,895 3,262 1,030
10H-3, 131-132 87.71 46 82 82 1,434 566 1,064 257 107
1,746 1,619 1,584 18,706 10,668 13,674 3,438 1,377
11H-4, 105-106 98.45 51 94 100 1,488 286 852 287 106
2,015 2,161 1,704 19,774 7,099 11,264 3,615 1,198
12H-4, 129-130 107.26 48 144 141 1,748 314 602 294 89
2,242 3,069 2,449 23,457 8,018 8,179 4,069 1,175
13H-1, 126-127 113.16 56 111 109 1,818 395 588 278 113
2,071 2,613 1,890 23,880 8,841 7,792 3,636 1,543
14H-2, 80-81 123.70 46 98 97 1,716 355 1,103 269 80
1,875 2,378 1,704 22,577 8,240 14,226 3,748 1,082
14H-4, 131-132 127.21 53 99 106 1,764 299 929 335 75
2,028 2,076 2,052 23,461 7,560 12,089 4,235 916
15H-3, 129-130 135.19 54 111 113 1,660 346 652 296 90
2,292 2,175 2,256 22,557 8,660 8,917 3,902 1,192
16H-5, 129-130 147.69 57 103 116 1,546 389 950 270 64
2,051 2,428 2,080 20,644 8,946 12,299 3,544 853
17H-4, 132-133 155.72 33 69 69 1,367 235 1,120 216 87
1,809 1,416 1,454 18,410 6,506 14,597 3,056 1,425
18H-1, 135-136 160.75 32 49 42 755 138 658 132 53
1,687 1,052 1,057 10,202 4,498 8,720 1,924 1,000
19H-3, 128-129 166.68 42 94 90 1,368 247 967 230 71
1,586 2,038 1,534 18,041 6,778 12,509 3,098 915
19H-5, 76-77 169.16 52 115 115 1,694 350 647 267 76
2,085 2,511 2,168 22,253 9,608 8,688 3,429 1,073
20X-1, 42-43 171.02 56 115 111 1,547 296 719 265 78
2,517 2,593 2,223 20,178 8,425 9,709 3,379 1,015
21X-5, 121-122 187.41 64 148 140 2,008 347 561 308 88
2,202 3,399 2,871 26,618 9,877 7,762 4,136 1,081
22X-3, 104-105 193.94 54 93 95 1,531 251 854 277 82
2,811 1,941 1,843 21,288 7,128 11,956 3,742 1,087
23X-3, 58-59 203.08 64 121 120 2,173 324 622 264 83
2,627 2,698 2,116 27,010 10,528 8,428 3,313 1,232
24X-3, 88-89 212.98 66 123 122 1,771 308 584 319 85
2,902 2,559 2,417 23,521 8,374 7,952 4,325 1,285
24X-6, 60-61 217.20 51 63 70 1,308 281 1,287 239 71
3,029 1,656 1,275 16,883 7,022 16,257 3,335 856
25X-2, 121-122 221.41 56 95 109 1,673 297 695 309 101
2,638 2,004 1,866 22,169 8,312 9,260 4,052 1,233
25X-4, 70-71 223.90 51 122 94 2,532 568 349 622 82
2,384 2,383 2,065 33,540 13,112 4,244 7,576 1,193
26X-2, 119-120 230.99 71 123 120 2,635 467 322 426 103
3,001 2,254 2,265 34,448 13,377 4,273 5,600 1,316
27X-1, 119-120 239.09 81 180 185 3,007 1,144 96 624 97
3,033 3,247 3,520 40,346 22,962 1,200 7,771 1,435
29X-CC, 26-27 257.36 66 119 149 2,595 1,169 125 404 112
2,873 2,378 2,747 33,753 22,747 1,679 5,341 1,478
33X-CC, 17-18 296.66 85 161 169 3,024 558 0 413 108
3,024 3,470 3,045 38,036 14,796 0 5,513 1,460
34X-CC, 22-23 305.52 39 54 79 5,170 669 0 781 87
1,660 1,251 1,906 60,625 14,750 0 9,227 1,056
35X-1, 29-30 315.19 53 88 78 3,485 440 90 603 87
2,442 1,530 1,610 42,914 12,282 2,556 7,624 1,028
36X-1, 29-30 324.79 65 138 130 4,165 965 50 574 109
2,389 2,467 2,244 50,914 19,178 692 7,095 1,222
36X-2, 69-70 325.62 68 122 137 4,161 600 77 660 106
2,496 2,054 2,498 52,960 15,959 764 8,297 1,155
37X-1, 39-40 334.49 67 113 100 3,682 646 61 560 98
2,407 2,389 2,004 45,288 17,872 1,246 6,446 1,089
39X-1-23, 24 353.63 78 170 174 3,337 1,157 39 614 142
2,287 2,790 2,830 43,296 23,191 662 7,257 1,578
40X-1-50, 51 363.50 54 113 129 4,210 1,249 56 813 106
2,119 2,058 2,082 52,783 24,777 887 10,087 1,107
41X-CC, 12-13 372.82 67 116 120 2,514 341 93 360 105
2,787 2,246 2,335 31,959 10,608 1,433 4,746 1,343
43X-1, 120-121 393.20 52 90 86 2,570 513 21 389 59
1,764 1,745 1,545 31,198 13,533 168 4,722 733
43X-2, 129-130 394.79 79 136 171 2,700 740 0 587 175
3,419 2,636 3,120 35,757 19,734 0 7,542 2,597
43X-2, 58-59 394.08 47 65 79 1,041 165 816 175 55
2,515 2,060 1,651 13,674 4,333 17,977 2,551 725
44X-CC, 2-3 402.41 64 127 123 3,182 788 19 491 83
2,883 2,470 2,161 40,816 17,861 208 6,373 989