Initial Reports, Volume 209
Ms 209IR-105
Chapter 5, Table T4. Major and trace element compositions of rocks, Holes 1270A, 1270B, 1270C, and 1270D.

Notes: * = analyzed using smaller sample sizes for improved H2O calibration. NA = not analyzed, BDL = below detection limit.

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

209-1270A-
1R-1, 104-107	1.04	19		Harzburgite	44.55	<0.01	0.75	8.15	44.47	0.06	0.06	0.08	0.01	98.14	13.04	0.25	14.13	NA	2824	2001	<39	<5	28.5	<2	4	9	61
1R-2, 34-37	1.8	6		Harzburgite	44.96	<0.01	0.73	9.44	44.62	0.06	0.18	0.06	<0.01	100.05	13.32	0.09	15.82	NA	2932	2421	<39	<5	25.1	<2	2	8	70

209-1270B-
1R-1, 101-104	1.01	18	I	Oxide gabbro	43.01	6.53	12.95	18.52	6.06	0.25	10.86	2.26	0.05	100.48	-0.07	0.08	1.11	NA	<41	<165	<39	165	644	17	48	64	122
4M-2, 54-57	19.54	9	I	Oxide gabbro	43.2	4.04	10.76	23.9	7.64	0.31	10.72	1.65	0.04	102.27	-0.11	0.08	1.16	NA	95	<165	<39	117	1299	15	30	68	129
4M-2, 121-124	20.21	18	II	Microgabbro	49.15	0.73	15.51	10.09	10.69	0.17	12.28	1.54	0.05	100.22	0.57	0.08	1.21	NA	766	240	<39	159	200	13	34	39	63
7R-1, 104-106	32.54	17	VI	Microgabbro	46.21	0.88	17.54	13.17	12.53	0.27	7.34	1.57	0.05	99.57	5.42	0.14	7.67	NA	742	208	<39	122	241	11	22	36	57
8R-2, 116-118	39.02	13	VII	Oxide gabbro	43.68	2.94	10.82	21.11	8.35	0.23	11.6	1.71	0.05	100.49	0.07	0.08	1.1	NA	<41	<165	<39	112	1540	12	20	68	117
9R-1, 56-60	41.36	8A 	VII	Oxide gabbro	47.72	1.84	15.82	14.31	6.24	0.17	12.16	2.57	0.07	100.89	0.13	0.09	0.74	NA	<41	<165	<39	172	1006	11	17	54	82
10M-1, 23-25	46.03	6	VII	Oxide gabbro	45.27	2.64	12.94	20.04	7.95	0.22	11.67	1.81	0.04	102.56	-0.02	0.06	0.93	NA	121	<165	<39	138	1335	9	15	58	111

209-1270C-
1R-1, 32-36	0.32	7B 		Harzburgite	46.85	0.02	0.62	8.67	44.49	0.1	0.04	0.07	0.01	100.87	13.6	0.22	15.91	NA	2237	2395	<39	<5	31.2	<2	3	6	110

209-1270D-
1R-1, 70-74	0.7	16		Harzburgite/Dunite	45.44	0.01	0.48	9.29	41.39	0.13	3.49	0.15	0.02	100.4	14.42	2.21	13.98	NA	1902	2354	<39	530	45.7	<2	<2	9	99
3R-1, 63-66	19.53	8B 		Harzburgite/vein	49.43	0.13	4.13	7.4	35.06	0.12	3.48	0.27	0.07	100.09	8.51	0.15	9.29	NA	2127	1728	<39	10	31	20	96	10	68
3R-1, 93-97	19.83	11		Harzburgite	46.17	0.01	0.85	8.13	42.7	0.12	0.11	0.08	0.02	98.19	13.4	0.2	15.15	NA	2753	2235	<39	<5	34.5	<2	4	9	112
6R-1, 29-32	33.19	4B 		Harzburgite	45.99	0.01	0.52	9.29	43.9	0.08	<0.06	0.1	0.01	99.9	13.03	0.38*	12.99*	BDL	1601	2595	<39	<5	25.4	<2	3	5	96
10R-1, 7-11	51.67	1		Harzburgite	46.31	<0.01	0.33	9.57	42.74	0.1	0.25	0.07	0.01	99.39	12.64	0.16*	12.93*	BDL	1752	2945	<39	6	21.5	<2	2	6	121