Sample 89CG-V485

NavDat sample number 59824 · ANDESITE

Sample

Sample ID	89CG-V485
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.0881
Longitude	-122.284
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	58.23		WT%	XRF
TIO2	1.23		WT%	XRF
AL2O3	16.9		WT%	XRF
FEOT	7.42		WT%	XRF
MNO	0.14		WT%	XRF
MGO	3.54		WT%	XRF
CAO	7.02		WT%	XRF
NA2O	3.78		WT%	XRF
K2O	1.47		WT%	XRF
P2O5	0.26		WT%	XRF
TOTAL	100.15		WT%	XRF
LOI	1.53		WT%	XRF
BA	300		PPM	XRF
LA	30		PPM	XRF
CE	55		PPM	XRF
RB	30		PPM	XRF
SR	408		PPM	XRF
Y	30		PPM	XRF
ZR	243		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.