Table T4. Peak intensities and peak areas from X-ray diffraction analysis of bulk-powder sediment samples, Hole 1175A. (Continued on next page.)

Table T4. Peak intensities and peak areas from X-ray diffraction analysis of bulk-powder sediment samples, Hole 1175A.

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

190-1175A-

1H-2, 139-140 2.89 35 88 80 1,069 233 286 192 100
1,050 1,463 1,165 14,292 5,579 3,612 2,918 1,439

1H-4, 137-138 5.87 50 114 120 1,740 426 584 316 88
2,308 2,317 2,189 23,548 10,288 7,951 4,239 1,231

1H-5, 69-70 6.69 52 101 112 1,833 334 630 283 95
2,343 2,098 1,903 23,642 8,289 8,248 3,750 1,240

2H-1, 136-137 8.56 39 88 86 1,925 333 499 314 98
1,670 2,187 1,797 24,282 8,706 6,873 4,019 1,290

2H-3, 137-138 11.57 43 82 94 1,708 293 709 293 88
1,867 2,019 1,698 22,820 7,748 9,655 3,730 1,158

2H-5, 137-138 14.57 55 99 103 1,793 292 610 291 92
2,296 2,146 2,055 23,739 8,205 8,258 3,793 1,111

3H-1, 136-137 18.06 43 85 93 1,468 291 740 270 93
1,781 1,809 1,843 19,568 7,058 9,816 3,495 1,370

3H-3, 136-137 21.06 49 98 118 1,729 385 690 282 85
1,996 2,118 2,042 22,474 9,176 9,205 3,799 1,257

4H-2, 138-139 29.08 45 96 110 1,819 315 587 292 86
2,314 2,315 2,081 23,647 8,005 8,111 3,795 1,193

4H-4, 137-138 32.07 45 98 106 1,625 335 421 295 85
1,857 2,101 1,995 21,492 8,795 6,242 3,652 1,282

4H-6, 139-140 35.09 55 104 111 1,867 338 536 278 80
2,156 2,592 2,054 24,519 8,577 7,108 3,947 956

5H-2, 138-139 38.58 54 105 113 1,812 286 488 333 83
1,987 2,510 2,222 24,057 8,063 6,615 4,235 1,151

5H-5, 138-139 43.08 69 107 127 1,771 299 552 311 91
2,672 2,408 2,099 23,656 8,821 7,673 4,098 1,191

6H-4, 110-111 50.80 54 96 98 1,537 258 1,283 263 61
2,316 2,258 1,718 19,943 6,739 16,809 3,410 906

7H-2, 128-129 57.48 55 106 105 1,957 341 337 305 83
2,229 2,328 2,130 26,845 8,667 4,830 4,046 1,072

7H-3, 78-79 58.48 25 29 25 1,532 185 170 141 70
1,329 603 562 16,877 5,801 2,542 2,376 2,220

7H-4, 30-31 59.50 25 45 73 6,066 711 66 1,023 129
1,112 1,008 1,144 68,754 17,980 1,051 11,279 1,546

8H-3, 122-123 68.42 53 115 113 1,669 350 653 297 76
2,057 2,260 2,090 23,177 8,017 9,311 3,837 1,113

9H-3, 132-133 78.02 36 78 81 1,560 323 808 256 89
1,784 1,943 1,571 20,954 7,554 10,733 3,314 1,178

9H-5, 10-11 79.80 54 82 89 1,476 259 1,077 272 106
1,979 2,094 1,647 19,508 7,055 14,010 3,313 1,278

9H-6, 146-147 82.66 41 66 78 1,323 317 973 227 78
1,504 1,717 1,519 17,918 6,888 12,999 3,060 959

10H-2, 133-134 86.03 54 105 106 1,583 263 695 273 87
1,773 2,259 2,092 21,055 7,334 9,322 3,510 1,192

12H-4, 105-106 106.35 50 115 108 1,915 318 611 300 80
1,950 2,685 2,131 25,044 8,297 8,161 3,886 1,080

13H-4, 131-132 116.11 42 97 101 1,547 295 954 263 88
1,845 2,139 2,035 20,649 7,812 12,141 3,314 1,091

14H-5, 135-136 127.15 46 76 87 1,311 297 1,426 226 73
1,889 1,599 1,575 17,273 7,470 18,319 3,000 1,005

15H-3, 136-137 133.66 42 84 89 1,667 297 781 272 96
2,017 1,976 1,802 21,867 8,324 10,074 3,463 1,235

16H-1, 78-79 139.58 38 73 85 1,484 244 1,204 281 78
1,563 1,701 1,684 20,325 6,929 15,670 3,513 1,038

16H-3, 132-133 143.12 31 57 65 1,171 175 2,025 175 61
1,964 1,416 1,384 14,541 4,495 25,624 2,366 782

17H-3, 142-143 152.72 44 91 95 1,575 295 1,102 285 72
2,420 2,050 1,784 20,486 7,369 14,507 3,639 918

18H-3, 142-143 162.22 40 61 69 1,344 245 1,531 234 65
1,775 1,433 1,369 17,535 5,889 19,475 3,123 825

19H-4, 133-134 173.13 43 76 87 1,637 278 1,063 301 79
1,597 1,654 1,763 20,965 7,506 13,642 3,812 1,011

20H-4, 135-136 182.65 40 75 90 1,570 273 1,147 295 78
1,649 1,771 1,932 20,302 6,990 14,954 3,711 1,082

21H-4, 135-136 192.15 47 88 88 1,559 281 950 245 72
1,848 2,174 1,635 20,296 7,794 12,305 3,346 912

22H-4, 142-143 201.72 36 101 99 1,496 287 985 315 77
1,877 1,898 1,975 19,819 7,079 12,690 3,985 1,027

23X-3, 67-68 208.97 44 90 100 1,696 340 1,165 273 88
2,325 2,203 1,960 22,289 8,365 15,178 3,549 1,141

23X-4, 91-92 210.71 41 69 81 1,306 235 1,229 254 84
1,332 1,198 1,531 16,970 7,172 15,704 3,264 1,294

23X-7, 52-53 214.45 24 68 64 887 204 1,702 176 59
1,838 1,406 1,181 11,960 11,509 22,114 2,376 1,018

25X-3, 126-127 228.86 54 90 104 1,550 264 550 275 80
2,155 2,645 1,867 21,148 7,820 7,094 3,571 1,170

26X-3, 127-128 238.57 45 80 78 1,388 275 1,290 244 72
2,421 1,787 1,527 18,759 7,318 16,735 3,369 1,029

26X-4, 128-129 240.08 50 75 97 1,837 260 964 267 78
2,350 2,158 1,811 23,092 7,263 12,575 3,353 1,117

27X-4, 120-121 249.60 37 64 82 1,479 236 1,245 254 167
1,555 1,299 1,952 19,436 6,446 16,087 3,529 2,053

28X-2, 116-117 256.26 48 86 97 1,552 347 706 306 79
1,840 1,924 1,836 20,715 8,365 9,462 3,890 1,354

28X-5, 119-120 260.79 53 85 85 1,714 264 816 261 72
3,057 1,792 1,838 21,829 8,191 10,715 3,467 1,255

28X-6, 48-49 261.58 64 129 133 1,983 407 728 304 94
1,978 2,540 2,601 25,716 11,067 9,550 4,046 1,038

29X-5, 119-120 270.39 56 107 108 1,601 308 1,125 298 86
2,428 2,034 1,953 21,283 7,874 14,425 3,681 1,073

30X-2, 113-114 275.43 56 90 95 1,392 245 1,279 279 66
2,642 2,179 1,874 18,724 6,202 16,911 3,447 1,246

31X-4, 119-120 288.09 48 92 103 1,751 293 640 301 81
2,260 2,024 2,064 23,146 8,237 8,734 4,160 1,074

33X-2, 114-115 304.24 64 107 103 1,654 403 603 285 88
2,385 2,182 1,945 21,680 10,720 8,441 3,862 1,233

33X-3, 117-118 305.77 82 148 143 1,849 408 765 309 108
3,753 3,309 2,523 24,363 10,379 9,905 3,948 1,400

33X-5, 49-50 308.09 55 83 78 1,765 369 978 324 82
1,995 1,770 1,504 22,161 9,417 11,642 4,159 1,083

33X-6, 57-58 309.67 50 63 74 1,448 1,296 854 262 99
2,193 1,250 1,636 18,427 18,295 11,658 3,674 1,349

37X-4, 118-119 345.68 24 28 29 4,193 310 145 705 86
1,315 827 604 51,057 9,707 3,421 8,866 1,151

37X-5, 140-141 347.40 50 87 95 2,375 617 451 466 89
2,214 1,689 1,847 30,328 12,784 6,034 5,941 1,336

38X-2, 115-116 352.25 90 196 174 2,275 569 148 389 114
3,580 3,558 3,188 31,293 16,164 2,065 5,048 1,474

39X-2, 102-103 361.72 73 124 132 1,880 441 418 330 131
2,924 2,138 2,604 26,058 10,914 5,794 4,451 1,497

40X-CC, 20-21 369.00 56 100 115 2,341 443 195 379 271
2,368 1,865 2,917 30,433 10,498 3,138 5,053 2,757

41X-2, 106-107 380.96 71 101 119 1,899 479 210 337 107
3,112 2,266 2,257 24,953 12,056 2,938 4,537 1,679

42X-2, 111-112 390.61 64 113 125 2,855 504 356 506 91
2,859 2,232 2,669 33,787 12,636 5,007 6,128 1,104

43X-2, 69-70 399.79 54 99 114 2,139 423 200 415 98
2,645 2,246 2,142 27,263 11,158 2,967 5,169 1,395

43X-CC, 23-24 402.14 61 109 115 2,078 433 397 348 93
2,732 2,275 2,285 27,522 10,726 5,662 4,638 1,305

44X-1, 46-47 406.96 43 53 75 1,379 311 104 288 91
1,776 1,340 1,132 17,950 9,591 2,802 4,676 1,052

46X-CC, 1-2 425.81 69 161 212 2,129 485 127 382 87
2,406 2,795 3,640 29,231 10,917 2,289 5,168 1,239

47X-CC, 10-11 435.50 92 226 235 2,968 694 0 529 146
2,837 3,681 3,973 38,826 14,814 0 5,979 1,667

Core, section, interval (cm)	Depth (mbsf)	X-ray diffraction peak intensity (cps)								X-ray diffraction peak area (total counts)
Core, section, interval (cm)	Depth (mbsf)	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
190-1175A-
1H-2, 139-140	2.89	35	88	80	1,069	233	286	192	100	1,050	1,463	1,165	14,292	5,579	3,612	2,918	1,439
1H-4, 137-138	5.87	50	114	120	1,740	426	584	316	88	2,308	2,317	2,189	23,548	10,288	7,951	4,239	1,231
1H-5, 69-70	6.69	52	101	112	1,833	334	630	283	95	2,343	2,098	1,903	23,642	8,289	8,248	3,750	1,240
2H-1, 136-137	8.56	39	88	86	1,925	333	499	314	98	1,670	2,187	1,797	24,282	8,706	6,873	4,019	1,290
2H-3, 137-138	11.57	43	82	94	1,708	293	709	293	88	1,867	2,019	1,698	22,820	7,748	9,655	3,730	1,158
2H-5, 137-138	14.57	55	99	103	1,793	292	610	291	92	2,296	2,146	2,055	23,739	8,205	8,258	3,793	1,111
3H-1, 136-137	18.06	43	85	93	1,468	291	740	270	93	1,781	1,809	1,843	19,568	7,058	9,816	3,495	1,370
3H-3, 136-137	21.06	49	98	118	1,729	385	690	282	85	1,996	2,118	2,042	22,474	9,176	9,205	3,799	1,257
4H-2, 138-139	29.08	45	96	110	1,819	315	587	292	86	2,314	2,315	2,081	23,647	8,005	8,111	3,795	1,193
4H-4, 137-138	32.07	45	98	106	1,625	335	421	295	85	1,857	2,101	1,995	21,492	8,795	6,242	3,652	1,282
4H-6, 139-140	35.09	55	104	111	1,867	338	536	278	80	2,156	2,592	2,054	24,519	8,577	7,108	3,947	956
5H-2, 138-139	38.58	54	105	113	1,812	286	488	333	83	1,987	2,510	2,222	24,057	8,063	6,615	4,235	1,151
5H-5, 138-139	43.08	69	107	127	1,771	299	552	311	91	2,672	2,408	2,099	23,656	8,821	7,673	4,098	1,191
6H-4, 110-111	50.80	54	96	98	1,537	258	1,283	263	61	2,316	2,258	1,718	19,943	6,739	16,809	3,410	906
7H-2, 128-129	57.48	55	106	105	1,957	341	337	305	83	2,229	2,328	2,130	26,845	8,667	4,830	4,046	1,072
7H-3, 78-79	58.48	25	29	25	1,532	185	170	141	70	1,329	603	562	16,877	5,801	2,542	2,376	2,220
7H-4, 30-31	59.50	25	45	73	6,066	711	66	1,023	129	1,112	1,008	1,144	68,754	17,980	1,051	11,279	1,546
8H-3, 122-123	68.42	53	115	113	1,669	350	653	297	76	2,057	2,260	2,090	23,177	8,017	9,311	3,837	1,113
9H-3, 132-133	78.02	36	78	81	1,560	323	808	256	89	1,784	1,943	1,571	20,954	7,554	10,733	3,314	1,178
9H-5, 10-11	79.80	54	82	89	1,476	259	1,077	272	106	1,979	2,094	1,647	19,508	7,055	14,010	3,313	1,278
9H-6, 146-147	82.66	41	66	78	1,323	317	973	227	78	1,504	1,717	1,519	17,918	6,888	12,999	3,060	959
10H-2, 133-134	86.03	54	105	106	1,583	263	695	273	87	1,773	2,259	2,092	21,055	7,334	9,322	3,510	1,192
12H-4, 105-106	106.35	50	115	108	1,915	318	611	300	80	1,950	2,685	2,131	25,044	8,297	8,161	3,886	1,080
13H-4, 131-132	116.11	42	97	101	1,547	295	954	263	88	1,845	2,139	2,035	20,649	7,812	12,141	3,314	1,091
14H-5, 135-136	127.15	46	76	87	1,311	297	1,426	226	73	1,889	1,599	1,575	17,273	7,470	18,319	3,000	1,005
15H-3, 136-137	133.66	42	84	89	1,667	297	781	272	96	2,017	1,976	1,802	21,867	8,324	10,074	3,463	1,235
16H-1, 78-79	139.58	38	73	85	1,484	244	1,204	281	78	1,563	1,701	1,684	20,325	6,929	15,670	3,513	1,038
16H-3, 132-133	143.12	31	57	65	1,171	175	2,025	175	61	1,964	1,416	1,384	14,541	4,495	25,624	2,366	782
17H-3, 142-143	152.72	44	91	95	1,575	295	1,102	285	72	2,420	2,050	1,784	20,486	7,369	14,507	3,639	918
18H-3, 142-143	162.22	40	61	69	1,344	245	1,531	234	65	1,775	1,433	1,369	17,535	5,889	19,475	3,123	825
19H-4, 133-134	173.13	43	76	87	1,637	278	1,063	301	79	1,597	1,654	1,763	20,965	7,506	13,642	3,812	1,011
20H-4, 135-136	182.65	40	75	90	1,570	273	1,147	295	78	1,649	1,771	1,932	20,302	6,990	14,954	3,711	1,082
21H-4, 135-136	192.15	47	88	88	1,559	281	950	245	72	1,848	2,174	1,635	20,296	7,794	12,305	3,346	912
22H-4, 142-143	201.72	36	101	99	1,496	287	985	315	77	1,877	1,898	1,975	19,819	7,079	12,690	3,985	1,027
23X-3, 67-68	208.97	44	90	100	1,696	340	1,165	273	88	2,325	2,203	1,960	22,289	8,365	15,178	3,549	1,141
23X-4, 91-92	210.71	41	69	81	1,306	235	1,229	254	84	1,332	1,198	1,531	16,970	7,172	15,704	3,264	1,294
23X-7, 52-53	214.45	24	68	64	887	204	1,702	176	59	1,838	1,406	1,181	11,960	11,509	22,114	2,376	1,018
25X-3, 126-127	228.86	54	90	104	1,550	264	550	275	80	2,155	2,645	1,867	21,148	7,820	7,094	3,571	1,170
26X-3, 127-128	238.57	45	80	78	1,388	275	1,290	244	72	2,421	1,787	1,527	18,759	7,318	16,735	3,369	1,029
26X-4, 128-129	240.08	50	75	97	1,837	260	964	267	78	2,350	2,158	1,811	23,092	7,263	12,575	3,353	1,117
27X-4, 120-121	249.60	37	64	82	1,479	236	1,245	254	167	1,555	1,299	1,952	19,436	6,446	16,087	3,529	2,053
28X-2, 116-117	256.26	48	86	97	1,552	347	706	306	79	1,840	1,924	1,836	20,715	8,365	9,462	3,890	1,354
28X-5, 119-120	260.79	53	85	85	1,714	264	816	261	72	3,057	1,792	1,838	21,829	8,191	10,715	3,467	1,255
28X-6, 48-49	261.58	64	129	133	1,983	407	728	304	94	1,978	2,540	2,601	25,716	11,067	9,550	4,046	1,038
29X-5, 119-120	270.39	56	107	108	1,601	308	1,125	298	86	2,428	2,034	1,953	21,283	7,874	14,425	3,681	1,073
30X-2, 113-114	275.43	56	90	95	1,392	245	1,279	279	66	2,642	2,179	1,874	18,724	6,202	16,911	3,447	1,246
31X-4, 119-120	288.09	48	92	103	1,751	293	640	301	81	2,260	2,024	2,064	23,146	8,237	8,734	4,160	1,074
33X-2, 114-115	304.24	64	107	103	1,654	403	603	285	88	2,385	2,182	1,945	21,680	10,720	8,441	3,862	1,233
33X-3, 117-118	305.77	82	148	143	1,849	408	765	309	108	3,753	3,309	2,523	24,363	10,379	9,905	3,948	1,400
33X-5, 49-50	308.09	55	83	78	1,765	369	978	324	82	1,995	1,770	1,504	22,161	9,417	11,642	4,159	1,083
33X-6, 57-58	309.67	50	63	74	1,448	1,296	854	262	99	2,193	1,250	1,636	18,427	18,295	11,658	3,674	1,349
37X-4, 118-119	345.68	24	28	29	4,193	310	145	705	86	1,315	827	604	51,057	9,707	3,421	8,866	1,151
37X-5, 140-141	347.40	50	87	95	2,375	617	451	466	89	2,214	1,689	1,847	30,328	12,784	6,034	5,941	1,336
38X-2, 115-116	352.25	90	196	174	2,275	569	148	389	114	3,580	3,558	3,188	31,293	16,164	2,065	5,048	1,474
39X-2, 102-103	361.72	73	124	132	1,880	441	418	330	131	2,924	2,138	2,604	26,058	10,914	5,794	4,451	1,497
40X-CC, 20-21	369.00	56	100	115	2,341	443	195	379	271	2,368	1,865	2,917	30,433	10,498	3,138	5,053	2,757
41X-2, 106-107	380.96	71	101	119	1,899	479	210	337	107	3,112	2,266	2,257	24,953	12,056	2,938	4,537	1,679
42X-2, 111-112	390.61	64	113	125	2,855	504	356	506	91	2,859	2,232	2,669	33,787	12,636	5,007	6,128	1,104
43X-2, 69-70	399.79	54	99	114	2,139	423	200	415	98	2,645	2,246	2,142	27,263	11,158	2,967	5,169	1,395
43X-CC, 23-24	402.14	61	109	115	2,078	433	397	348	93	2,732	2,275	2,285	27,522	10,726	5,662	4,638	1,305
44X-1, 46-47	406.96	43	53	75	1,379	311	104	288	91	1,776	1,340	1,132	17,950	9,591	2,802	4,676	1,052
46X-CC, 1-2	425.81	69	161	212	2,129	485	127	382	87	2,406	2,795	3,640	29,231	10,917	2,289	5,168	1,239
47X-CC, 10-11	435.50	92	226	235	2,968	694	0	529	146	2,837	3,681	3,973	38,826	14,814	0	5,979	1,667