Sample 84CG-V62

NavDat sample number 59826 · ANDESITE

Sample

Sample ID	84CG-V62
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.1047
Longitude	-122.253
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	59.02		WT%	XRF
TIO2	1.14		WT%	XRF
AL2O3	16.54		WT%	XRF
FEOT	7.07		WT%	XRF
MNO	0.12		WT%	XRF
MGO	3.7		WT%	XRF
CAO	6.72		WT%	XRF
NA2O	3.74		WT%	XRF
K2O	1.7		WT%	XRF
P2O5	0.26		WT%	XRF
TOTAL	99.75		WT%	XRF
LOI	1.44		WT%	XRF
BA	333		PPM	XRF
LA	26		PPM	XRF
CE	56		PPM	XRF
RB	35		PPM	XRF
SR	373		PPM	XRF
Y	27		PPM	XRF
ZR	256		PPM	XRF
NB	13		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.