Sample 84SH-V35

NavDat sample number 59907 · ANDESITE

Sample

Sample ID	84SH-V35
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2092
Longitude	-122.091
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
25		22.5	27.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.83		WT%	XRF
TIO2	1.48		WT%	XRF
AL2O3	17.95		WT%	XRF
FEOT	7.87		WT%	XRF
MNO	0.13		WT%	XRF
MGO	2.44		WT%	XRF
CAO	7.72		WT%	XRF
NA2O	3.06		WT%	XRF
K2O	1.19		WT%	XRF
P2O5	0.33		WT%	XRF
TOTAL	100.06		WT%	XRF
LOI	1.69		WT%	XRF
BA	295		PPM	XRF
LA	44		PPM	XRF
CE	74		PPM	XRF
RB	30		PPM	XRF
SR	340		PPM	XRF
Y	30		PPM	XRF
ZR	230		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.