Sample ID: LC91-1609
Georef Number: 2008-900303
Reference Title: Major and EDXRF trace element chemical analyses of volcanic rocks from Lassen Volcanic National Park and vicinity, California
Reference Author: Clynne, M.A., Muffler, L.J.P., Siems, D.F., Taggert Jr., J.E., Bruggman, P.

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

Age: 2.65 Min Age: 0 Max Age: 5.3 Geological Age: PLIOCENE Age Method: REG-COR Material: IGNEOUS Type: VOLCANIC Composition: INTERMEDIATE Rock Name: ANDESITE

Rock Data

Reference	Technique	Material	SIO2	TIO2	AL2O3	FE2O3	FEO	FEOT	MGO	CAO	NA2O	K2O	P2O5	MNO	ZR	RB	SR	Y
2008-900303	WDXRF	WHOLE ROCK	58.25	0.64	17.67	1.36	4.88	6.11	4.7	7.54	3.72	0.94	0.18	0.12
2008-900303	EDXRF	WHOLE ROCK													86	20	402	21

Element Normalization
pyrolite OIB

	Rb	Zr	Sr	Y
SAMPLE VALUE	20	86	402	21
	PPM	PPM	PPM	PPM
REF STANDARD	0.6	10.5	19.9	4.3
	PPM	PPM	PPM	PPM