Table T1. X-ray diffraction data for Site 1089.

Core, section, interval (cm)	Depth (mbsf)	Depth (mcd)	Bulk carbonate fraction (wt%; coulometry)	Opal noncarbonate fraction (wt%; XRD intensity)	Bulk opal (wt%)	Siliciclastics (wt%)	Pyrite (%; XRD peak area)	Quartz/feldspar (XRD peak area ratio)	Clay/(quartz + feldspar) (XRD peak area ratio)	10 \81 Å/7 Å (XRD peak intensity ratio)
177-1089A-
1H-1, 77-79	0.78	0.54	45.2	18	9.864	44.936	0	3.9	0.13	1.89
2H-7, 24-26	16.55	16.13					1.08	2.94	0.12	2.11
3H-2, 73-74	19.04	21.88	52.9	18	8.478	38.622	1.06	4.79	0.11	1.24
4H-3, 72-73	29.78	34.16					1.48	3.87	0.1	2.18
5H-1, 68-69	36.49	37.45	47.3	23	12.121	40.579	0.85	4.19	0.1	2.1
5H-3, 70-72	39.51	40.47					1.94	3.76	0.13	1.84
6H-3, 72-73	49.03	50.91					3.04	3.07	0.15	2.19
7H-5, 61-63	61.18	65.32	46.8	13	6.916	46.284	5.3	3.76	0.09	3.3
8H-6, 119-120	73.00	77.77					0.94	3.22	0.16	2.5
9H-1, 61-62	74.42	80.6					1.38	4.19	0.16	1.85
10H-3, 118-119	87.49	92.02					0.9	3.57	0.11	2.1
11H-2, 71-73	94.78	100.57					1.4	3.2	0.15	1.79
12H-1, 74-75	103.05	108.84					1.99	3.6	0.11	1.79
12H-4, 75-76	107.56	113.35		22			3.81	4.04	0.13	1.89
14H-4, 22-23	126.03	131.82		22			1.48	3.42	0.12	2
15H-3, 70-71	134.51	140.3	55.3	23	10.281	34.419	2.08	4.77	0.17	2
16H-5, 22-23	146.53	153.95	46.6	20	10.68	42.72	0.64	4.84	0.16	3.19
18H-2, 69-70	161.50	169.46					2.28	3.42	0.13	2.07
19H-1, 121-122	170.02	178.03	30.2	16	11.168	58.632	1.04	4.12	0.15	1.84
20H-1, 73-74	179.04	186.86					1.43	4	0.18	2.26
20H-1, 107-108	179.38	187.2					2.08	3.55	0.15	2.46
21H-2, 72-73	190.03	203.65	39.8	18	10.836	49.364	0.93	3.96	0.17	2.07
23H-1, 76-77	207.57	219.87					0.37	3.22	0.13	1.75
177-1089B-
2H-3, 72-73	8.53	14.23	44	22	12.32	43.68	0.04	4.19	0.14	1.5
3H-6, 71-72	22.52	27.96	42.5	16	9.2	48.3	1.6	4.8	0.13	1.88
4H-5, 71-72	30.52	36.12	54	8	3.68	42.32	0.88	4.52	0.11	1.8
5H-6, 72-73	41.53	45.99	0.5	18	17.91	81.59	0.25	4.65	0.12	1.92
6H-2, 76-77	45.07	51.27	42.2	14	8.092	49.708	2.97	3.9	0.11	1.76
7H-2, 72-73	54.53	61.95	16	14	11.76	72.24	0.61	3.3	0.12	2.28
8H-2, 73-74	64.04	72.09	36.2	16	10.208	53.592	0.82	4.26	0.12	1.72
9H-4, 72-73	76.53	85.9	11.3	18	15.966	72.734	1.94	4.39	0.14	2.23
10H-1, 72-73	81.53	92.79	5.7	18	16.974	77.326	0.95	4.63	0.14	2.13
11H-2, 74-75	92.55	103.81	1.5	23	22.655	75.845	2.34	3.88	0.11	1.48
11H-4, 70-71	95.51	106.77	54.5	23	10.465	35.035	1.29	3.95	0.09	2.35
12H-1, 72-73	100.53	111.79	19.2	22	17.776	63.024	0.79	3.24	0.11	2.53
13H-1, 60-61	109.91	121.17	20.3	17	13.549	66.151	1.86	3.86	0.13	2.71
14H-3, 77-78	122.58	133.84	50.4	14	6.944	42.656	4.33	3.26	0.12	2.5
15H-4, 72-73	133.53	144.79	28.8	13	9.256	61.944	0.79	4.44	0.12	2.57
16H-3, 119-120	142.00	153.26	8.3	18	16.506	75.194	1.97	4.59	0.13	2.32
16H-4, 119-120	143.50	154.76	44.2	11	6.138	49.662	0.86	3.22	0.08	1.6
17H-1, 72-73	148.03	159.29	27.3	19	13.813	58.887	1.54	4.38	0.06	2.25
18H-1, 72-73	157.53	168.79	14.9	13	11.063	74.037	2.74	4.68	0.12	1.9
19H-3, 72-73	170.03	181.87	6.3	14	13.118	80.582	3.33	3.89	0.11	2.33
20H-1, 72-73	176.53	189.21	38.9	14	8.554	52.546	0.91	3.85	0.12	1.7
21H-1, 72-73	186.03	201.13	10.2	16	14.368	75.432	1.3	3.81	0.12	2.5
22H-2, 72-73	197.03	212.13	54.2	7	3.206	42.594	0.81	4.33	0.12	1.11
23H-2, 74-75	206.55	221.65	46.1	2	1.078	52.822	0.51	3.33	0.08	1.77
23H-5, 68-69	4.34	0.11	3.25

Notes: XRD = X-ray diffraction. This table is also available in ASCII format in the TABLES directory.