183 Initial Reports												
Chapter 4, Table T7. Major and trace element data.

Notes: * = total iron as Fe2O3. LOI = loss on ignition at 1025degreesC for 4 hr. Mg# = MgO/(MgO + FeO), mol%, with FeO calculated (as 80% of total Fe).

Leg, hole, core, section:	183-1136A-15R-2,	183-1136A-16R-1,	183-1136A-16R-3,	183-1136A-17R-1,	183-1136A-18R-3,	183-1136A-18R-4,
Interval (cm):	69-71	80-82	51-53	111-117	63-65	89-92
Piece:	1C	3E	4	15	2	2
Unit:	1	1	2	2	2	2
						Vesicle-rich
Rock type:	Highly altered basalt	Slightly altered basalt	Slightly altered basalt	Slightly altered basalt	Slightly altered basalt	segregation
Depth (mbsf):	128.89	138.40	141.07	145.01	150.61	151.68

Major oxides (wt%):						
SiO2	50.47	50.04	50.62	50.52	51.42	48.46
TiO2	1.74	1.60	1.76	1.71	1.68	3.43
Al2O3	15.35	15.84	15.26	15.23	14.77	11.94
Fe2O3*	14.26	12.13	12.83	12.12	12.06	20.33
MnO	0.07	0.13	0.12	0.16	0.19	0.36
MgO	4.77	6.40	6.65	6.69	6.59	4.46
CaO	7.59	9.00	7.92	9.38	9.02	6.41
Na2O	2.89	2.70	2.96	2.78	2.88	2.90
K2O	1.34	0.38	0.51	0.30	0.32	0.44
P2O5	0.19	0.16	0.21	0.19	0.19	0.45
Total	98.65	98.37	98.82	99.07	99.11	99.17
LOI	1.80	1.40	2.10	0.90	1.10	0.90
Mg#	0.44	0.55	0.55	0.56	0.56	0.34

Trace elements (ppm):						
Rb	33	6	8	5	4	14
Ba	61	70	75	86	106	67
Sr	234	237	294	248	244	205
Ce	6	13	17	15	14	8
Nb	6.3	6.5	6.9	7.6	7.3	13.4
Zr	103	95	116	110	112	208
Y	28	29	33	29	31	51
V	258	260	288	284	289	260
Cr	172	176	155	156	142	2
Ni	70	66	66	61	59	26
Cu	27	138	106	127	113	212
Zn	132	100	104	98	101	152