A New Quantitative Approach for Element-Mineral Determination Based on “EDS (Energy Dispersive Spectroscopy) Method”

Table 1

Rock mineral major and associated and impurity element.

Type	Mineral	Chemical formula	Major element	Associated/impurity element
Oxide	Quartz	SiO2	Si, O	C
Silicates carbonate	Potash feldspar	K[AlSi3O8]	K, Al, Si, O	Na, C
Silicate	Plagioclase	Na[AlSi3O8]; Ca[Al2Si2O8]	Na/Ca, Al, Si, O	C
Carbonate	Calcite	Ca[CO3]	Ca, C, O	Si, Fe
	Dolomite	CaMg[CO3]2	Ca, Mg, C, O	Si, Fe
	Siderite	Fe[CO3]	Fe, C, O	/
Sulfide	Pyrite	Fe[S2]	Fe, S	C
Silicate	Illite	K0.75(Al1.75MgFe)[Al0.5Si3.5O10](OH)2	K, Mg, Fe, Al, Si, O	Na, C
Silicate	Chlorite	(Mg3/Al3/Fe3)[Si4O10](OH)2	Mg, Fe, Al, Si, O	C
Silicate	Smectite	Ex(B2O)4{(Al2-x,Mgx)2[(Si,Al)4O10](OH)2}	Mg, Al, Si, O	Na, Ca, K, C
Silicate	Kaolinite	Al4[Si4O10](OH)8	Al, Si, O	Mg, Fe, C
Pore	Residual oil	C	O