Sample ID: 97L-7
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: 27.71 Min Age: 27.62 Max Age: 27.8 Geological Age: OLIGOCENE Age Method: REG-COR Material: IGNEOUS Type: PLUTONIC Composition: FELSIC Rock Name: DACITE

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	68.05	0.42639953	16.733902	2.9331427	0.45982277	2.2646778	4.3885727	3.9895196	0.18939836	0.06887213	1.26
2003-024675	XRF	WHOLE ROCK												302	1300	15	82	426	33

Element Normalization
pyrolite OIB

	Nb	Rb	Zr	Ba	Sr	Y
SAMPLE VALUE	15	82	302	1300	426	33
	PPM	PPM	PPM	PPM	PPM	PPM
REF STANDARD	658	0.6	10.5	6600	19.9	4.3
	PPB	PPM	PPM	PPB	PPM	PPM