Sample 89CG-V470

NavDat sample number 59825 · ANDESITE

Sample

Sample ID	89CG-V470
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.1047
Longitude	-122.273
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
36		32.4	39.6

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	58.26		WT%	XRF
TIO2	1.16		WT%	XRF
AL2O3	16.99		WT%	XRF
FEOT	7.17		WT%	XRF
MNO	0.12		WT%	XRF
MGO	3.72		WT%	XRF
CAO	7.33		WT%	XRF
NA2O	3.6		WT%	XRF
K2O	1.4		WT%	XRF
P2O5	0.24		WT%	XRF
TOTAL	100.13		WT%	XRF
LOI	0.98		WT%	XRF
BA	290		PPM	XRF
LA	22		PPM	XRF
CE	46		PPM	XRF
RB	22		PPM	XRF
SR	396		PPM	XRF
Y	25		PPM	XRF
ZR	235		PPM	XRF
NB	14		PPM	XRF

References

du, Bray Edward A; John, David A; Sherrod, David R; Evarts, Russell C; Conrey, Richard M; Lexa, Jaroslav (2006) Geochemical database for volcanic rocks of the western Cascades, Washington, Oregon, and California. U. S. Geological Survey Data Series. 2006.