AVERAGES OF OCEANIC RIDGE BASALT GLASSES. Back PETDB AND SMITHSONIAN MAGMA BATCH FILE
	SiO2	Al2O3	TiO2	Fe2O3	FeOT	MnO	MgO	CaO	Na2O	K2O	P2O5	Sum	N.
MAR,53S-52N	50.768	15.347	1.387	0.000	9.614	0.055	7.764	11.697	2.536	0.188	0.141	99.512	3090
Galapagos Rise	50.855	14.862	1.488	0.000	10.816	0.185	7.392	11.423	2.371	0.160	0.152	99.706	1704
EPR, 23S - 23N	50.592	14.571	1.801	0.000	10.812	0.195	7.171	11.421	2.801	0.164	0.181	99.710	3815
Juan de Fuca - Gorda	50.511	14.756	1.660	0.000	10.677	0.187	7.153	11.588	2.647	0.236	0.182	99.597	1207
Indian Ocean Ridges	50.775	15.639	1.588	0.000	9.417	0.172	7.461	10.992	3.021	0.215	0.177	99.458	653
Reykjanes Ridge	50.788	14.039	1.440	0.000	12.272	0.205	6.940	11.701	2.093	0.117	0.142	99.738	523
Smiths. MBF File	50.669	15.167	1.572	0.000	10.258	0.183	7.235	11.492	2.704	0.204	0.172	99.491	2707
Averages(NOT INCL MBF)	50.71	14.87	1.56	0.00	10.60	0.17	7.31	11.47	2.58	0.18	0.16	99.62	1832.00
												Total =	10992