Initial Reports, Volume 209
Ms 209IR-107
Chapter 7, Table T4. Major and trace element compositions of rocks, Hole 1272A.

Notes: Some low major element totals are due to the high concentrations of Cr and Ni that are probably not trace elements in these rocks. NA = not analyzed. LOI = loss on ignition.

Core, section, interval (cm)	Depth (mbsf)	Piece	Unit	Lithology	Major element oxides (wt%): SiO2	TiO2	Al2O3	Fe2O3	MgO	MnO	CaO	Na2O	K2O	Total	LOI	Volatiles (wt%): CO2	H2O	Trace elements (ppm): S	Cr	Ni	Ba	Sr	V	Y	Zr	Sc	Co

209-1272A-
1R-1, 7-11	0.07	2	I	Harzburgite	40.43	0.02	0.77	8.21	38.7	0.14	9.65	0.12	0.01	98.04	17.95	7.33	14.87	<350	4885	2987	<39	1786	47	<2	2	6	92
1R-1, 42-45	0.42	7	I	Gabbronorite	52.08	1.18	14.96	10.28	8.77	0.16	10.92	2.62	0.15	101.11	1.27	0.08	2.21	681	338	187	<39	136	260	24	87	38	41
2R-1, 61-63	13.51	9	I	Dunite	40.34	0.01	0.12	7.62	40.45	0.13	12.19	0.1	<0.01	100.94	18.89	9.31	14.02	<350	3431	3293	39	2148	13	<2	3	4	113
3R-1, 110-114	19	9	I	Diabase	51.28	1.48	15.13	9.52	6.81	0.15	11.28	2.69	0.57	98.9	0.49	0.11	1.06	<350	237	144	109	223	257	27	126	37	55
4R-1, 82-85	23.22	14	I	Gabbronorite	52.61	1.81	15.02	10.34	6.12	0.19	10.63	3.15	0.34	100.21	0.41	0.16	0.91	856	14	35	107	230	310	29	150	40	44
7R-1, 98-102	37.88	15	I	Basalt	50.32	1.44	15.13	10.04	7.45	0.15	10.85	2.84	0.45	98.67	1.18	0.58	1.66	<350	257	124	74	204	247	27	125	37	46
7R-1, 109-113	37.99	17	I	Basalt	51.74	1.48	15.69	9.73	7.41	0.15	11.15	2.66	0.64	100.66	0.95	0.11	1.31	496	273	160	114	221	254	26	127	36	61
12R-1, 73-76	56.73	8	II	Harzburgite	45.7	0.02	0.65	8.21	48.26	0.1	<0.06	0.18	<0.01	103.16	15.28	NA	NA	NA	2153	2426	<39	<5	27	<2	3	7	127
13R-1, 93-98	61.63	15	II	Harzburgite	41.41	0.02	0.57	8.03	47.27	0.11	<0.06	0.06	<0.01	97.46	16.64	NA	NA	NA	2460	2581	<39	<5	24	<2	<2	6	105
16R-1, 135-137	76.35	22	II	Harzburgite	43.12	0.01	0.78	8.21	46.53	0.11	<0.06	0.07	0.01	98.83	14.97	0.3	15.51	<350	3247	2690	<39	<5	32	<2	<2	7	94
18R-1, 46-48	85.06	6	II	Harzburgite	43.31	0.01	0.69	8.07	46.18	0.12	0.15	0.04	<0.01	98.58	15.35	0.35	15.4	<350	2352	2627	<39	<5	28	<2	<2	8	97
19R-2, 24-27	91.04	3B	II	Harzburgite	43.27	0.01	0.6	7.94	45.4	0.1	<0.06	0.06	<0.01	97.42	15.61	0.33	15.58	<350	1926	2724	<39	<5	23	<2	3	9	90
21R-1, 50-52	99.4	4	II	Harzburgite	42.56	0.01	0.64	8.19	45.73	0.1	<0.06	0.07	<0.01	97.31	15.25	0.27	15.54	429	2553	2951	<39	<5	28	<2	5	8	79
23R-1, 12-14	108.62	2	II	Dunite	40.13	0.01	0.12	8.81	48.14	0.11	0.07	0.09	<0.01	97.49	16.35	0.24	15.58	1137	720	3542	<39	<5	12	<2	4	5	141
24R-1, 73-77	114.23	11	II	Harzburgite	42.93	0.01	0.76	7.94	45.51	0.12	<0.06	0.06	<0.01	97.38	15.45	0.36	15.38	<350	3353	2919	<39	<5	28	<2	<2	8	89
25R-1, 124-126	119.24	15	II	Harzburgite	43.36	0.01	0.62	8.05	45.49	0.12	0.19	0.06	0.01	97.91	14.78	0.34	15.03	<350	2374	3036	<39	<5	26	<2	3	8	100
26R-1, 80-83	123.8	4	II	Harzburgite	44.27	0.01	0.62	8.22	46.61	0.12	<0.06	0.07	0.01	99.96	14.79	0.24	15.23	<350	2619	2993	<39	<5	27	<2	3	8	101