Sample ID: 97L-22B
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: 27 Min Age: 26.9 Max Age: 27.1 Geological Age: OLIGOCENE Age Method: REG-COR Material: IGNEOUS Type: VOLCANIC Composition: FELSIC Rock Name: RHYOLITE

Rock Data

Reference	Technique	Material	SIO2	TIO2	AL2O3	FE2O3	MGO	CAO	NA2O	K2O	P2O5	MNO	LOI	ZR	BA	NB	RB	SR	Y
1988-011206	XRF	WHOLE ROCK	71.09	0.47797275	14.395771	2.6819022	0.32538524	2.2352552	3.4913232	4.1097574	0.16370314	0.03132591	1.03
2003-024675	XRF	WHOLE ROCK												219	903	10	96	496	15

Element Normalization
pyrolite OIB

	Nb	Rb	Zr	Ba	Sr	Y
SAMPLE VALUE	10	96	219	903	496	15
	PPM	PPM	PPM	PPM	PPM	PPM
REF STANDARD	658	0.6	10.5	6600	19.9	4.3
	PPB	PPM	PPM	PPB	PPM	PPM