Table T4. Peak intensities and peak areas from X-ray diffraction analysis of bulk-powder sediment samples, Holes 1178A and 1178B.

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
190-1178A-

















1H-1, 136-137 1.36 31 72 72 1,813 472 1,047 289 107
961 1,706 1,396 23,473 12,731 13,757 4,052 1,702
2H-4, 136-137 8.76 36 101 115 1,765 354 1,653 345 87
804 2,193 2,284 23,785 9,615 23,115 4,569 1,292
3H-4, 135-136 18.25 45 78 81 1,908 428 823 328 137
1,738 1,815 1,619 23,998 9,736 10,997 4,419 1,940
4H-6, 132-133 29.72 47 91 108 2,675 471 457 480 108
1,648 2,029 2,241 34,829 14,368 6,609 6,365 1,558
5H-4, 135-136 37.25 48 92 104 2,358 502 536 431 174
1,706 2,151 2,462 30,972 12,615 8,218 6,065 2,103
6H-4, 135-136 46.75 54 107 131 2,839 744 394 473 141
1,799 2,584 2,747 36,513 16,556 5,563 6,250 1,890
7H-3, 138-139 54.78 48 92 107 2,182 350 614 387 125
2,137 2,217 2,305 28,937 10,707 8,294 5,269 1,662
8H-4, 133-134 63.33 52 105 117 2,411 383 524 424 127
2,013 2,562 2,569 32,368 12,007 7,335 5,865 1,674
9X-5, 132-133 72.06 44 90 86 2,485 405 592 379 116
1,912 2,221 1,877 31,731 10,729 8,343 5,359 1,585
11X-4, 126-127 90.56 51 100 107 2,812 456 209 542 118
1,684 2,598 2,693 36,115 11,881 2,861 7,176 1,680
12X-5, 134-135 101.65 49 108 118 3,637 494 243 595 106
1,909 2,923 2,492 46,236 14,947 3,366 7,592 1,418
13X-4, 130-131 109.80 53 105 105 2,872 551 280 550 136
1,742 3,540 2,713 37,173 17,004 4,027 7,418 1,960
13X-5, 121-122 111.21 43 93 100 3,048 630 362 756 126
1,291 3,142 2,362 37,408 15,693 4,851 9,359 1,659
14X-4, 133-134 119.43 51 138 120 2,964 491 348 471 163
2,263 3,539 2,662 38,064 12,663 5,113 6,559 2,116
15X-4, 132-133 129.02 57 121 146 2,635 701 204 469 220
2,109 3,239 3,182 34,763 17,088 2,854 6,416 2,799
16X-4, 128-129 138.48 51 114 108 2,382 455 231 492 105
2,421 3,427 2,690 31,979 13,796 3,664 6,860 1,496
17X-2, 127-128 144.97 58 114 107 2,487 500 156 493 122
3,038 2,652 2,595 33,149 14,147 2,256 7,269 1,752
18X-4, 128-129 156.44 50 112 105 2,746 432 143 428 126
2,981 3,206 2,814 35,094 11,791 2,226 6,146 1,642
19X-3, 123-124 165.63 53 113 109 2,339 400 110 426 121
1,951 3,408 2,844 31,700 11,860 1,826 6,052 1,895
20X-5, 53-54 176.11 45 94 92 2,348 387 504 419 109
1,769 2,876 2,023 31,802 10,552 7,045 6,217 1,715
21X-4, 119-120 186.09 43 101 79 2,364 487 717 462 104
2,342 2,739 1,939 30,620 10,746 10,665 6,262 1,335
22X-1, 103-104 190.83 47 119 98 2,638 548 366 474 125
1,567 3,450 2,105 35,268 12,508 5,374 6,716 1,766
22X-4, 8-9 194.38 41 97 71 3,190 475 515 581 96
1,683 2,597 1,632 40,907 11,874 7,799 7,493 1,237
23X-2, 120-121 201.90 43 112 95 3,671 796 61 489 153
2,236 3,441 2,738 46,358 18,432 1,021 7,302 1,884
24X-1, 122-123 210.02 41 125 85 2,573 434 83 522 219
2,189 4,460 2,612 35,101 13,367 1,614 7,675 3,044
25X-2, 117-118 221.04 60 120 127 2,468 425 279 445 130
2,772 3,078 3,224 33,665 11,369 4,126 6,393 1,762
27X-3, 123-124 242.03 56 126 116 2,066 640 120 361 105
2,869 4,108 3,558 28,815 13,241 1,716 5,875 1,504
28X-4, 129-130 253.19 57 133 115 2,320 458 139 395 117
3,037 3,378 2,888 32,483 11,243 1,977 6,201 1,698
29X-3, 124-125 260.95 45 121 108 2,303 377 99 444 119
2,589 2,760 3,129 30,797 10,584 1,583 6,800 1,690
31X-4, 116-117 281.86 43 88 78 2,232 361 125 405 122
1,685 3,588 2,735 29,498 9,770 1,798 6,099 1,684
32X-4, 122-123 291.07 77 159 152 2,285 431 152 578 289
3,071 3,820 3,606 31,995 11,409 2,146 7,537 3,130
33X-5, 121-122 302.71 42 68 68 1,749 316 104 272 76
2,804 2,255 2,079 32,944 11,134 2,375 6,362 1,610
34X-3, 122-123 309.32 57 110 113 2,183 354 69 425 106
3,596 3,006 3,089 30,791 11,393 1,055 6,620 1,609
35X-4, 123-124 320.53 45 88 82 2,030 341 121 382 110
3,672 2,002 2,229 27,152 9,791 1,557 6,306 1,565
36X-1, 84-85 325.24 49 112 97 2,524 482 103 457 100
2,832 2,790 2,995 35,603 12,671 1,496 7,263 1,543
36X-1, 89-90 325.29 54 109 95 3,670 844 0 625 136
2,413 2,239 2,317 49,321 25,642 0 8,041 1,866
36X-1, 91-92 325.31 54 106 104 2,345 494 0 433 116
3,660 2,967 3,123 34,209 13,299 0 7,054 2,022
36X-5, 124-125 331.64 66 127 121 3,012 641 110 481 148
2,853 3,431 2,907 39,743 18,138 1,714 6,753 2,006
37X-5, 119-120 341.19 68 131 125 2,685 422 144 554 127
3,626 3,073 2,979 36,712 12,308 2,305 7,728 1,947
38X-3, 126-127 347.86 69 112 126 2,059 597 211 413 111
3,065 3,229 3,158 28,922 16,104 2,915 6,101 1,824
39X-1, 19-20 353.39 36 82 78 2,840 460 129 433 116
1,190 2,781 1,962 40,124 13,689 2,449 6,879 1,626
40X-2, 116-117 365.56 46 85 95 5,552 623 0 1,143 109
1,245 3,171 2,152 68,035 14,727 0 13,447 1,330
41X-1, 93-94 373.43 44 72 82 1,985 368 227 383 113
2,051 2,016 2,014 26,642 9,859 3,286 5,752 1,550
42X-3, 96-97 386.06 44 86 79 2,368 640 85 398 124
3,609 2,199 2,274 31,354 13,669 1,457 6,114 1,823
43X-1, 125-126 392.85 49 96 96 2,170 411 86 408 101
2,142 3,127 2,832 29,280 10,705 1,364 5,911 1,401
44X-5, 121-122 407.73 54 108 130 2,060 355 152 739 86
2,313 2,906 3,313 30,832 9,507 2,154 9,074 1,112
190-1178B-

















2R-2, 94-95 397.44 44 85 74 1,740 290 237 314 90
3,290 3,453 1,913 23,901 8,660 3,679 5,178 1,511
3R-3, 146-147 404.46 36 130 104 1,944 348 75 381 106
872 4,210 3,015 27,301 9,482 1,099 6,155 1,445
4R-2, 148-149 412.58 54 146 149 2,758 595 0 563 131
1,485 4,690 3,276 37,843 15,174 0 7,478 1,625
4R-3, 24-25 412.84 31 86 56 2,031 1,077 62 312 263
938 6,117 1,182 26,565 28,516 1,151 4,997 3,736
4R-3, 125-126 413.85 60 152 137 2,815 593 0 493 116
1,504 4,666 2,948 37,819 14,669 0 6,921 1,448
5R-1, 116-117 420.46 58 105 116 1,837 269 227 364 115
1,819 3,160 3,204 25,271 8,818 3,277 5,693 1,450
6R-1, 34-35 429.34 54 124 128 2,116 393 101 390 101
1,796 3,946 3,145 29,355 11,763 1,425 5,654 1,488
6R-1, 123-124 430.23 33 98 46 1,465 489 0 300 247
4,595 4,066 1,191 19,691 16,837 0 5,904 4,534
8R-5, 149-150 455.69 54 150 118 3,247 473 78 526 169
1,887 3,629 2,759 43,901 13,546 1,087 7,399 2,119
8R-6, 68-69 456.38 51 128 130 2,906 432 0 444 125
2,076 4,311 2,873 38,259 12,486 0 6,405 1,448
9R-2, 115-116 460.45 43 109 110 2,107 620 146 397 92
2,352 3,804 2,750 29,141 14,055 2,067 6,543 1,165
10R-1, 45-46 467.85 50 113 110 2,807 405 26 528 106
1,333 4,087 3,010 37,404 12,461 298 7,543 1,491
11R-1, 89-90 477.99 30 87 79 4,080 767 86 744 135
588 2,950 1,737 51,412 20,441 1,495 9,494 1,558
12R-4, 112-113 492.32 42 103 96 2,371 377 62 452 105
1,199 4,241 2,611 32,247 11,077 1,197 6,654 1,336
13R-2, 80-81 498.70 40 96 85 3,154 676 75 559 127
866 3,753 1,836 41,230 16,881 1,140 8,008 1,707
14R-1, 94-95 506.94 51 125 125 2,461 414 44 465 119
1,718 4,265 3,048 33,933 11,941 838 6,530 1,374