Sample ID: 631
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: 1.063 Min Age: 1.051 Max Age: 1.075 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	73.3	0.34	14.76	1.37	0.16	1.34	4.86	3.36	0.1	0.03	0.46	237	1100	62	170	17

Element Normalization
pyrolite OIB

	Rb	Zr	Ba	Sr	Y
SAMPLE VALUE	62	237	1100	170	17
	PPM	PPM	PPM	PPM	PPM
REF STANDARD	0.6	10.5	6600	19.9	4.3
	PPM	PPM	PPB	PPM	PPM