Initial Reports, Volume 209
Ms 209IR-106									
Chapter 6, Table T4. Major and trace element compositions of rocks, Holes 1271A and 1271B.

Notes: * = analyzed using smaller sample sizes for improved H2O calibration. LOI = loss on ignition. NA = not analyzed.

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

209-1271A-
1R-1, 73-77	0.73	11		Dunite	44	<0.01	0.05	14.15	41.2	0.08	<0.06	0.13	0.02	99.67	11.86	0.11	14.43	762	50	2849	<39	5	6.3	<2	3	3.2	191
4R-2, 32-37	30.09	1		Dunite	38.34	0.02	0.75	11.73	45.77	0.13	<0.06	0.03	0.02	96.8	14.33	0.24	17.57	NA	9123	2245	<39	<5	36.3	<2	5	4.8	160
4R-2, 106-111	30.83	7B   		Dunite	38.91	0.02	0.99	11.06	46.16	0.16	<0.06	0.06	0.03	97.4	14.9	0.27*	14.94*	NA	7037	2090	<39	<5	30.2	<2	<2	5.6	124

209-1271B-
5R-1, 19-23	27.89	4	I	Brown amphibole gabbro	48.26	3.33	16.15	4.66	12.58	0.22	11.68	2.34	0.87	100.09	1.74	0.13	2.3	NA	69	598	498	279	390.4	48	122	60.2	115
8R-1, 39-43	41.09	9	I	Gabbro	47.19	0.77	15.7	10.06	10.16	0.3	12.43	1.85	0.09	98.54	2.59	0.13	3.45	758	640	223	65	84	238.7	19	40	37.2	48
8R-1, 65-68	41.35	14	I	Dunite	41.33	0.01	0.73	11.16	43.41	0.14	<0.06	0.04	0.01	96.83	13.96	0.25	15.92	981	6075	2737	139	<5	34.7	<2	2	5.8	143
10R-1, 109-112	51.59	19	II	Harzburgite	43.25	<0.01	0.46	9.77	42.52	0.07	2.11	0.06	<0.01	98.24	13.87	1.54	14.69	875	2711	2952	<39	290	33.1	<2	2	8.2	126
12R-1, 134-139	61.44	21	III	Impregnated dunite	45.92	0.09	3.35	9.23	35.63	0.14	3.51	0.53	0.02	98.42	8.64	0.21	10.47	1075	3559	1792	<39	6	88.3	16	35	19.7	101
17R-1, 105-110	85.55	16	III	Harzburgite	42.48	0.02	0.39	9.19	45.78	0.08	0.15	0.03	<0.01	98.13	13.74	0.3	16.26	1330	2536	2599	<39	<5	24.3	<2	<2	6	<32
17R-1, 107-109	85.57	16	III	Harzburgite	42.71	0.02	0.43	7.71	46.5	0.1	0.07	0.05	<0.01	97.6	14.16	0.27	17.49	1269	2865	2690	<39	<5	26.2	<2	<2	5.8	<32