183 Initial Reports
Chapter 8, Table T7. X-ray fluorescence analyses of major and trace elements for Site 1140 igneous units.										

Notes: LOI = loss on ignition at 1025 degrees C for 4 hr. * = (Mg# = Mg/[Mg+Fe2+]), where Fe2+ = 0.8 Fe total. BD = below detection limit.											

Hole:	1140A	1140A	1140A	1140A	1140A	1140A	1140A	1140A	1140A	1140A	1140A
Core, section:	26R-1	27R-2	28R-3	31R-1	32R-1	33R-2	34R-5	35R-4	36R-3	37R-1	37R-3
Interval (cm):	7-10	0-5	29-32	53-57	55-57	78-81	3-6	50-52	121-124	46-49	104-108
Piece:	1	1A	1B	3B	4	3	1A	4	1H	1C	2
Unit:	1	1	1	2	3	5	6	6	6	6	6
Rock type:	Basalt	Basalt	Basalt	Basalt	Basalt	Basalt	Basalt	Basalt	Basalt	Basalt	Basalt
Depth (mbsf):	237.37	240.71	249.64	271.03	275.75	286.8	299.44	308.41	316.62	317.76	320.25

Major element oxides	(wt%):										
SiO2	49.07	48.88	48.90	49.77	49.28	49.66	50.44	50.74	49.78	50.00	49.77
TiO2	1.48	1.48	1.47	2.36	3.16	1.40	1.53	1.53	1.52	1.55	1.54
Al2O3	15.62	15.59	15.65	15.08	13.79	16.48	15.52	15.36	14.76	14.85	14.77
Fe2O3	12.93	12.78	12.67	14.34	14.85	11.90	11.78	10.85	13.14	13.32	13.20
MnO	0.19	0.18	0.18	0.20	0.19	0.16	0.19	0.18	0.21	0.20	0.29
MgO	6.77	8.12	7.87	5.54	6.18	7.94	6.86	7.55	7.31	6.71	6.29
CaO	12.71	11.92	12.11	11.02	10.00	11.45	12.63	12.25	12.41	12.47	12.37
Na2O	2.11	2.06	2.06	2.24	2.46	2.09	2.26	2.30	2.20	2.21	2.23
K2O	0.38	0.03	0.04	0.82	0.62	0.03	0.16	0.21	0.17	0.16	0.53
P2O5	0.10	0.09	0.09	0.26	0.45	0.12	0.14	0.14	0.14	0.13	0.14
Total:	101.34	101.13	101.03	101.62	100.96	101.23	101.50	101.10	101.62	101.57	101.11
LOI:	1.84	1.62	1.01	1.12	0.72	1.46	0.92	0.97	0.82	1.04	0.92
Mg# (0.8)*:	0.56	0.61	0.61	0.49	0.51	0.62	0.59	0.63	0.58	0.55	0.54

Trace elements	(ppm):										
Rb	9.5	0.8	1	10.8	3.9	0.3	0.7	1.5	0.7	0.7	11.5
Ba	56	57	67	105	155	64	64	76	64	60	111
Sr	142	129	132	259	262	126	134	138	125	127	137
Ce	BD	BD	BD	5	28	BD	BD	BD	BD	BD	BD
Nb	4.8	4.4	4.7	14.6	22.9	5.1	5	5.3	5.3	5.2	5.7
Zr	87	86	88	169	239	81	83	82	80	82	82
Y	31	32	32	33	46	31	31	31	30	31	31
V	337	325	324	354	429	330	366	378	347	353	356
Cr	301	288	293	118	57	276	209	192	191	159	172
Ni	97	96	98	64	47	79	64	71	62	58	49
Cu	150	150	151	114	118	149	168	171	160	164	154
Zn	88	86	86	107	130	89	92	92	89	88	90

Normative	mineralogy:										
Fe2+ = 0.8 Fe total											
Q	0.00	0.00	0.00	1.75	2.36	0.44	1.07	1.00	0.00	0.82	0.12
Or	2.21	0.18	0.21	4.82	3.67	0.18	0.94	1.24	1.00	0.94	3.13
Ab	17.78	17.40	17.41	18.85	20.84	17.62	18.96	19.36	18.49	18.59	18.80
An	31.92	33.15	33.33	28.51	24.80	35.37	31.56	30.91	29.70	29.96	28.71
Corundum	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Nepheline	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Leucite	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Acmite	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Na metasilicate	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Wo (Di)	12.61	10.55	10.89	10.08	9.16	8.54	12.43	12.01	12.75	12.81	13.22
En (Di)	6.88	6.16	6.31	5.05	4.91	5.07	7.10	7.30	7.11	6.89	6.93
Fs (Di	5.27	3.88	4.07	4.80	3.94	3.02	4.78	4.03	5.13	5.48	5.90
En (Hy)	7.80	11.90	11.59	8.63	10.45	14.57	9.81	11.39	10.76	9.65	8.66
Fs (Hy)	5.98	7.49	7.46	8.20	8.40	8.70	6.61	6.29	7.77	7.68	7.37
Ol (Fo)	1.44	1.44	1.13	0.00	0.00	0.00	0.00	0.00	0.11	0.00	0.00
Ol (Fa)	1.22	1.00	0.81	0.00	0.00	0.00	0.00	0.00	0.08	0.00	0.00
Ilmenite	2.81	2.81	2.79	4.47	6.02	2.66	2.89	2.90	2.87	2.92	2.92
Magnetite	3.75	3.71	3.68	4.15	4.32	3.45	3.40	3.14	3.79	3.85	3.83
Apatite	0.22	0.20	0.20	0.57	0.99	0.26	0.30	0.31	0.30	0.27	0.31
Total:	99.88	99.87	99.87	99.87	99.85	99.87	99.87	99.86	99.87	99.88	99.88