Sample ID: 270737
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? NO Trace Data? YES Isotope Data? NO

Age: 27.35 Min Age: 27.25 Max Age: 27.45 Geological Age: OLIGOCENE Age Method: REG-COR Material: IGNEOUS Type: VOLCANIC Composition: FELSIC Rock Name: RHYOLITE

Rock Data

Reference	Technique	Material	ZR	NB	RB	SR	Y
2003-024675	XRF	WHOLE ROCK	162	22	181	59	11

Element Normalization
pyrolite OIB

	Nb	Rb	Zr	Sr	Y
SAMPLE VALUE	22	181	162	59	11
	PPM	PPM	PPM	PPM	PPM
REF STANDARD	658	0.6	10.5	19.9	4.3
	PPB	PPM	PPM	PPM	PPM