Sample ID: s_LC87-1229
Georef Number: 1990-067970
Reference Title: Trace element and isotopic constraints on magmatic evolution at Lassen volcanic center
Reference Author: Bullen, Thomas D; Clynne, Michael A

Location Sample Detail Major Data? YES Trace Data? YES Isotope Data? YES

Age: 0.3 Min Age: 0 Max Age: 0.6 Geological Age: PLEISTOCENE Age Method: STRAT Material: IGNEOUS Type: VOLCANIC Composition: MAFIC Rock Name: BASALT

Rock Data

Reference	Technique	Material	SIO2	TIO2	AL2O3	FE2O3	FEO	FEOT	MGO	CAO	NA2O	K2O	P2O5	MNO	ZR	BA	NB	ND143_ND144	PB	PB206_PB204	PB207_PB204	PB208_PB204	RB	SR	SR87_SR86	Y
1990-067970	XRF	WHOLE ROCK	48.13	0.81	18.53	2.9	10.44	13.05	5.33	9.6	3.58	0.33	0.05	0.3
1990-067970	XRF/INAA	WHOLE ROCK													29	100	2		4.2				3	212		16
1990-067970	TIMS	WHOLE ROCK																0.512898		19.049	15.648	38.766			0.70601

Element Normalization
pyrolite OIB

	Nb	Pb	Rb	Zr	Ba	Sr	Y
SAMPLE VALUE	2	4.2	3	29	100	212	16
	PPM	PPM	PPM	PPM	PPM	PPM	PPM
REF STANDARD	658	150	0.6	10.5	6600	19.9	4.3
	PPB	PPB	PPM	PPM	PPB	PPM	PPM

Isotope Chemistry

143Nd/144Nd	206Pb/204Pb	207Pb/204Pb	208Pb/204Pb	87Sr/86Sr
0.512898	19.049	15.648	38.766	0.70601