Initial Reports Volume 187
Chapter 8, Table T3. Glass and whole-rock major and trace element compositions of basalts, Site 1157.

Notes: CC = core catcher; LOI = loss on ignition.

	Hole 1157A												Hole 1157B									
Core, section:	1W-CC	1W-CC	1W-CC	1W-CC	2R-1	2R-1	2R-1	2R-1	3R-2	3R-2	3R-2	3R-2	3R-1	3R-1	3R-1	3R-1	4R-1	4R-1	6R-1	6R-1	6R-1	6R-1
Interval (cm):	13-17	13-17	13-17	13-17	86-90	86-90	86-90	86-90	19-22	19-22	19-22	19-22	62-67	62-67	62-67	62-67	136-138	136-138	43-47	43-47	43-47	43-47
Depth (mbsf):	9.78	9.78	9.78	9.78	200.86	200.86	200.86	200.86	207.69	207.69	207.69	207.69	139.12	139.12	139.12	139.12	144.36	144.36	152.63	152.63	152.63	152.63
Piece:	1	1	1	1	16	16	16	16	3B	3B	3B	3B	9	9	9	9	17	17	7	7	7	7
Analysis:	ICP	ICP	ICP	ICP	XRF	XRF	ICP	ICP	XRF	XRF	ICP	ICP	XRF	XRF	ICP	ICP	ICP	ICP	XRF	XRF	ICP	ICP
Rock type:	Glass	Glass	Glass	Glass	Aphyric basalt				Sparsely to moderately plagioclase-olivine phyric basalt				Moderately plagioclase-olivine phyric basalt				Glass	Glass	Moderately plagioclase-olivine phyric basalt			

Major element (wt%)																						
SiO2	52.60	51.54	51.35	52.03	48.13	47.84	48.40	51.05	48.71	48.34	49.56	50.47	48.94	48.23	49.87	50.53	52.31	52.14	49.17	49.30	50.54	50.45
TiO2	1.47	1.37	1.40	1.43	1.87	1.94	1.92	2.03	1.24	1.21	1.25	1.29	1.28	1.36	1.50	1.51	1.58	1.62	1.47	1.52	1.51	1.46
Al2O3	16.20	15.72	15.98	16.22	13.98	13.94	14.22	14.53	16.13	16.09	16.05	16.60	15.28	15.16	15.81	15.92	15.69	15.94	15.76	15.79	15.99	15.97
Fe2O3	9.87	9.45	9.10	9.35	12.21	12.20	12.07	12.59	8.62	8.66	8.70	8.88	9.43	9.40	9.45	9.47	9.59	9.77	9.21	9.24	9.35	9.34
MnO	0.16	0.15	0.16	0.16	0.17	0.18	0.18	0.20	0.13	0.13	0.14	0.15	0.11	0.12	0.15	0.15	0.16	0.16	0.14	0.15	0.16	0.15
MgO	8.92	8.31	8.24	8.47	7.13	7.08	7.19	7.45	7.77	7.76	7.86	8.03	7.12	7.03	7.13	7.09	7.96	7.92	7.13	7.14	7.34	7.14
CaO	12.08	11.64	11.37	11.70	10.84	10.76	10.84	10.87	11.72	11.67	11.68	11.81	11.09	10.94	11.08	11.13	11.36	11.37	10.96	10.93	11.13	10.96
Na2O	2.98	2.82	2.95	3.05	2.70	2.55	2.71	2.30	2.67	2.76	2.85	2.73	2.98	2.91	3.14	2.81	2.92	2.98	2.95	2.84	3.13	3.08
K2O	0.13	0.11	0.13	0.13	0.26	0.26	0.26	0.22	0.24	0.24	0.25	0.23	0.20	0.21	0.24	0.23	0.10	0.10	0.24	0.25	0.25	0.25
P2O5	0.17	0.15	0.14	0.16	0.19	0.19	0.23	0.16	0.13	0.13	0.15	0.13	0.15	0.15	0.18	0.15	0.18	0.17	0.15	0.15	0.17	0.16

LOI					0.65	0.65			0.95	0.95			0.87	0.87					0.77	0.77		
CO2																						
H2O																						
Total:	104.59	101.26	100.82	102.70	98.13	97.59	98.03	101.40	98.31	97.94	98.49	100.32	97.45	96.38	98.54	99.01	101.83	102.18	97.95	98.08	99.59	98.98

Trace element (ppm)																						
Nb					6				6				6						5			
Zr	105	93	112	101	142		141	125	97		89	86	118		114	108	123	119	120		115	111
Y	31	29	34	35	43		47	42	30		29	27	36		37	35	38	37	35		37	35
Sr	132	117	111	126	111		110	111	132		130	132	138		138	135	131	132	139		135	134
Rb					3				3				2						3			
Zn					101				70				80						80			
Cu					62				60				56						59			
Ni	131	122	120	120	124		119	105	162		143	136	148		133	122	113	116	151		139	137
Cr	367	311	349	362	274		253	234	364		347	346	395		340	323	362	356	418		355	348
V					337				162				249						254			
Ce					35				18				32						33			
Ba	10	8	9	10			10	10			10	10			15	15	12	12			13	13
Sc	35	32	38	35			39	43			30	36			34	38	36	37			36	36