Sample 89CG-V493B

NavDat sample number 59891 · ANDESITE

Sample

Sample ID	89CG-V493B
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.1592
Longitude	-122.315
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
34		30.6	37.4

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.4		WT%	XRF
TIO2	1.46		WT%	XRF
AL2O3	16.27		WT%	XRF
FEOT	8.13		WT%	XRF
MNO	0.14		WT%	XRF
MGO	4.17		WT%	XRF
CAO	7.32		WT%	XRF
NA2O	3.45		WT%	XRF
K2O	1.35		WT%	XRF
P2O5	0.31		WT%	XRF
TOTAL	99.67		WT%	XRF
LOI	1.56		WT%	XRF
BA	274		PPM	XRF
LA	29		PPM	XRF
CE	58		PPM	XRF
RB	26		PPM	XRF
SR	359		PPM	XRF
Y	30		PPM	XRF
ZR	244		PPM	XRF
NB	15		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.