Sample 89CG-V480

NavDat sample number 59893 · ANDESITE

Sample

Sample ID	89CG-V480
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2483
Longitude	-122.363
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	57.67		WT%	XRF
TIO2	1.52		WT%	XRF
AL2O3	16.88		WT%	XRF
FEOT	8.55		WT%	XRF
MNO	0.2		WT%	XRF
MGO	3.11		WT%	XRF
CAO	6.76		WT%	XRF
NA2O	4.15		WT%	XRF
K2O	0.91		WT%	XRF
P2O5	0.24		WT%	XRF
TOTAL	99.81		WT%	XRF
LOI	1.1		WT%	XRF
BA	216		PPM	XRF
LA	24		PPM	XRF
CE	39		PPM	XRF
RB	16		PPM	XRF
SR	316		PPM	XRF
Y	29		PPM	XRF
ZR	176		PPM	XRF
NB	12		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.