Table T1. X-ray diffraction data for Site 1091.												

Note: XRD = X-ray diffraction.												

Leg	Site	Hole	Core	Type	Section	Top	Bottom	Depth 	Depth 	Bulk Carbonate 	Bulk Opal 	Siliciclastics
								(mbsf)	(mcd)	(wt%)	(wt%)	 (wt%)
										from coulometry	(XRD Peak Intensity)	
177	1091	A	1	H	1	84	85	0.85	0.85	1.8	37.1	61.1
177	1091	A	1	H	4	120	121	5.71	5.71	8.6	52	39.4
177	1091	A	2	H	4	70	71	12.11	15.03	0.4	54	45.6
177	1091	A	3	H	1	69	70	17.1	19.28	0.6	47.5	51.9
177	1091	A	3	H	5	73	74	23.14	25.32	0.2	60.4	39.4
177	1091	A	4	H	1	73	74	26.64	29.84	0.02	61.9	38
177	1091	A	4	H	5	73	74	32.64	35.84	0.3	64.4	35.3
177	1091	A	5	H	1	87	88	36.28	38.59	0.5	56.5	43
177	1091	A	5	H	5	119	120	42.6	44.91	0.6	69.9	29.5
177	1091	A	6	H	2	18	19	46.59	50.06	1.1	54	44.9
177	1091	A	6	H	6	72	73	53.13	56.6	0.4	63.9	35.7
177	1091	A	7	H	2	73	74	55.58	59.39	0.6	74.3	25.1
177	1091	A	8	H	2	69	70	66.1	70.99	0.4	49.5	50.1
177	1091	A	8	H	3	66	67	67.57	72.46	7.4	74.3	18.3
177	1091	A	9	H	1	125	126	74.66	79.11	0.4	67.9	31.7
177	1091	A	10	H	4	113	115	88.54	93.93	0.2	74.3	25.5
177	1091	A	11	H	5	116	117	99.57	105.33	0.6	73.4	26
177	1091	A	12	H	3	105	107	105.96	113.22	0.7	71.9	27.4
177	1091	A	13	H	1	118	119	112.59	119.13	0.5	36.6	62.9
177	1091	A	14	H	1	73	74	121.64	130.25	9.9	56	34.1
177	1091	A	15	H	3	74	75	134.15	143.99	2.1	64.9	33
177	1091	A	16	H	3	71	72	143.62	157.48	0.7	60	39.3
177	1091	A	17	H	4	22	23	154.13	166.84	14.8	60.9	24.3
177	1091	A	19	H	5	21	22	174.62	190.75	0.6	55.5	43.9
177	1091	A	20	H	5	28	29	184.19	201.63	6.4	76.3	17.3
177	1091	A	21	H	3	109	111	191.03	207.92	0.8	84.8	14.4
177	1091	A	25	H	6	112	113	234.03	255.5	0.8	80.8	18.4
177	1091	A	26	H	6	115	116	243.56	265.25	2.7	76.8	20.5
177	1091	A	27	H	6	32	33	252.23	273.48	0.6	66.9	32.5
177	1091	A	28	H	2	75	76	256.16	278.63	0.7	55.5	43.8
177	1091	A	29	H	4	72	73	268.63	290.84	4.4	51	44.6
177	1091	A	30	H	1	74	75	273.65	296.12	0.6	52.5	46.9
177	1091	A	31	H	3	75	76	286.16	308.63	0.6	50	49.4
177	1091	A	32	H	3	73	74	295.64	318.11	0.5	61.4	38.1
177	1091	A	33	H	2	75	76	303.66	326.13	0.5	28.2	71.3
177	1091	A	33	H	5	31	32	307.72	330.19	0.6	32.7	66.7