Sample ID: 98L-2
Georef Number: 2004-049375
Reference Title: Chemical analyses of Tertiary volcanic rocks, central San Juan Caldera complex, southwestern Colorado.
Reference Author: Lipman-Peter-W

Location Sample Detail Major Data? YES Trace Data? YES Isotope Data? NO

Age: 26.26 Min Age: 26.22 Max Age: 26.3 Geological Age: OLIGOCENE Age Method: AR_AR Material: IGNEOUS Type: VOLCANIC Composition: FELSIC Rock Name: DACITE

Rock Data

Reference	Technique	Material	SIO2	TIO2	AL2O3	FE2O3	MGO	CAO	NA2O	K2O	P2O5	MNO	LOI	NI	CU	ZN	ZR	BA	NB	RB	SR	Y
1988-011206	XRF	WHOLE ROCK	61.21	0.9	16.49	5.9	1.96	4.25	4.21	3.59	0.46	0.1	0.81
2003-024675	XRF	WHOLE ROCK												12	31	100	222	1580	13	86	974	19

Element Normalization
pyrolite OIB

	Cu	Nb	Ni	Rb	Zr	Ba	Sr	Y	Zn
SAMPLE VALUE	31	13	12	86	222	1580	974	19	100
	PPM	PPM	PPM	PPM	PPM	PPM	PPM	PPM	PPM
REF STANDARD	30	658	1960	0.6	10.5	6600	19.9	4.3	55
	PPM	PPB	PPB	PPM	PPM	PPB	PPM	PPM	PPM