"A. Demant, P. Munch, N. Romeuf, D. Morata"																																		
"Chapter 34. Distribution and chemistry of secondary minerals (zeolites and clay minerals) from Hole 917A, southeast Greenland Margin"																																		
152SR-231																																		

																											
		267	272	287	14	19																					
																											
	SiO2	55.33	53.20	53.62	51.49	51.97																					
	Al2O3	26.86	28.37	28.57	29.72	28.58																					
	FeO	0.89	0.96	0.86	0.79	1.12																					
	MgO	0.01	0.10	0.13	0.14	0.25																					
	CaO	10.56	12.05	12.23	13.64	13.27																					
	Na2O	5.59	4.69	4.75	3.31	3.45																					
	K2O	0.11	0.09	0.06	0.05	0.06																					
																											
	Total	99.35	99.46	100.22	99.13	98.69																					
																											
	Structural Formulae calculated with 8 oxygens																										
																											
	Si	2.519	2.432	2.432	2.364	2.398																					
	Al	1.441	1.528	1.527	1.608	1.554																					
	Fet	0.034	0.037	0.033	0.030	0.043																					
	Mg	0.001	0.007	0.009	0.009	0.017																					
	Ca	0.515	0.590	0.594	0.671	0.656																					
	Na	0.494	0.416	0.418	0.295	0.308																					
	K	0.006	0.005	0.003	0.003	0.003																					
																											
	sum	5.010	5.015	5.015	4.981	4.981																					
																											
	An	50.73	58.36	58.51	69.26	67.79																					
	Ab	48.64	41.12	41.16	30.44	31.86																					
	Or	0.63	0.52	0.32	0.30	0.35