Table 5. Oxide factors used in normalizing elements to 100% and converting elements to oxides.		

Element 	Oxide/carbonate	Conversion factor

Si	SiO2	2.139
Ca	CaCO3	2.497 for Holes 995B and 997B
Ca	CaO-CaCO3	1.399-2.497 for Hole 994C
Fe	FeO*	1.358
K	K2O	1.205
Ti	TiO2	1.668
Al	Al2O3	1.889