Sample ID: n627
Georef Number: 2007-002412
Reference Title: Rhyodacites of Kulshan Caldera, north Cascades of Washington;post-caldera lavas that span the Jaramillo
Reference Author: Hildreth, Wes; Lanphere, Marvin A; Champion, Duane E; Fierstein, Judy

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

Age: 1.293 Min Age: 1.277 Max Age: 1.309 Geological Age: PLEISTOCENE Age Method: AR_AR Material: IGNEOUS Type: VOLCANIC Composition: FELSIC Rock Name: RHYODACITE

Rock Data

Reference	Technique	Material	SIO2	TIO2	AL2O3	FEOT	MGO	CAO	NA2O	K2O	P2O5	MNO	LOI	ZR	BA	RB	SR	Y
2007-002412	XRF	WHOLE ROCK	69.8	0.56	15.95	2.81	0.41	2.29	4.89	2.72	0.15	0.03	1.84	257	957	46	314	19

Element Normalization
pyrolite OIB

	Rb	Zr	Ba	Sr	Y
SAMPLE VALUE	46	257	957	314	19
	PPM	PPM	PPM	PPM	PPM
REF STANDARD	0.6	10.5	6600	19.9	4.3
	PPM	PPM	PPB	PPM	PPM