Sample ID: 97LC-Q61B
Georef Number: 2005-022484
Reference Title: Geologic map of the Ridgefield Quadrangle, Clark and Cowlitz Counties, Washington.
Reference Author: Evarts-Russell-C; Dinterman-Philip (compiler); Block-Jessica (compiler)

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

Age: 34 Min Age: 30.6 Max Age: 37.4 Geological Age: EOCENE Age Method: REG-COR Material: IGNEOUS Type: VOLCANIC Composition: FELSIC Rock Name: DACITE

Rock Data

Reference	Technique	Material	SIO2	TIO2	AL2O3	FEOT	MGO	CAO	NA2O	K2O	P2O5	MNO	LOI	ZR	BA	NB	RB	SR	Y
2005-022484	XRF	WHOLE ROCK	63.78	1.18	15.87	6.12	1.82	4.29	4.71	1.76	0.36	0.12	1.86	290	297	20	28	283	32

Element Normalization
pyrolite OIB

	Nb	Rb	Zr	Ba	Sr	Y
SAMPLE VALUE	20	28	290	297	283	32
	PPM	PPM	PPM	PPM	PPM	PPM
REF STANDARD	658	0.6	10.5	6600	19.9	4.3
	PPB	PPM	PPM	PPB	PPM	PPM