Table 12. Major oxide chemical composition of basalts from Site 1001.
Notes: Shipboard XRF data; note that K2O has been corrected by 0.25%. LOI = loss on ignition. ND = not determined. BDL = below limit of detection.

Core, section, interval (cm)	Depth (mbsf)	SiO2	TiO2	Al2O3	Fe2O3	MnO	MgO	Ca0	Na2O	K2O	P2O5	Total	 LOI

165-1001A-
53R-2, 75-80	489.3	49.7	1.37	16.1	10.6	0.19	8.51	11.22	2.33	0.02	0.09	100.1	ND
53R-3, 68-71	490.08	49.2	1.32	15.0	12.1	0.19	7.16	12.98	2.08	BDL	0.11	100.1	1.78
53R-4, 93-96	491.70	49.5	1.29	15.7	11.7	0.20	6.36	13.37	2.11	0.28	0.08	100.6	1.65
54R-1, 44-47	494.44	49.8	1.29	15.7	11.6	0.20	6.40	13.34	2.02	0.29	0.08	100.7	2.19
54R-3, 37-40	497.24	49.1	1.31	14.6	11.7	0.19	6.92	13.73	2.11	0.53	0.09	100.3	3.14
54R-4, 93-98	499.20	49.1	1.24	15.3	11.2	0.20	6.57	14.67	2.10	0.51	0.09	101.0	3.31
54R-5, 81-84	500.35	49.4	1.27	15.0	11.4	0.19	7.24	13.03	2.09	0.01	0.09	99.7	1.94
54R-6, 126-130	502.30	49.3	1.21	15.5	11.2	0.19	7.31	13.13	2.03	BDL	0.07	99.9	1.29
55R-1, 72-75	504.32	49.9	1.37	15.7	10.4	0.20	7.98	12.56	2.28	BDL	0.09	100.5	2.36
55R-2, 81-83	505.91	49.0	1.58	14.3	12.3	0.23	7.52	12.37	2.17	0.19	0.11	99.8	1.36
56R-1, 132-134	514.52	49.8	1.57	14.5	11.9	0.23	6.84	12.47	2.23	0.5	0.11	100.2	1.35
56R-2, 77-80	515.47	49.8	1.45	14.5	11.5	0.22	7.01	13.02	2.26	0.19	0.10	100.1	1.45
56R-3, 74-78	516.79	49.3	1.47	14.7	12.6	0.26	7.47	12.40	2.31	0.01	0.10	100.6	1.32
56R-3, 131-134	517.36	49.1	1.40	14.3	13.5	0.21	7.02	12.34	2.18	0.01	0.09	100.1	0.98