Sample ID: 85-43
Georef Number: 2005-024533
Reference Title: Magnesian andesite and dacite lavas from Mt. Shasta, NorthernCalifornia; products of fractional crystallization of H (sub 2) O-richmantle melts
Reference Author: Grove, Timothy L; Baker, Michael B; Price, Richard C; Parman, StephenW; Elkins-Tanton, Linda T; Chatterjee, Nilanjan; Muentener, Othmar

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

Age: 0.19 Min Age: 0.13 Max Age: 0.25 Geological Age: PLEISTOCENE Age Method: UNKNOWN Material: IGNEOUS Type: VOLCANIC Composition: FELSIC Rock Name: DACITE

Rock Data

Reference	Technique	Material	SIO2	TIO2	AL2O3	FE2O3	FEO	MGO	CAO	NA2O	K2O	P2O5	MNO	LOI	LA	CE	ZN	GA	ZR	BA	NB	RB	SR	Y
2005-024533	XRF	WHOLE ROCK	69.89	0.29	14.64	1.63	1.03	0.47	1.79	6	2.74	0.09	0.07	1.24	25	43	44	20	191	693	8	65	249	22

Element Normalization
pyrolite OIB

	Nb	Rb	Zr	Ce	Ba	La	Sr	Y	Zn
SAMPLE VALUE	8	65	191	43	693	25	249	22	44
	PPM	PPM	PPM	PPM	PPM	PPM	PPM	PPM	PPM
REF STANDARD	658	0.6	10.5	1675	6600	648	19.9	4.3	55
	PPB	PPM	PPM	PPB	PPB	PPB	PPM	PPM	PPM