Sample 84CG-V59C

NavDat sample number 59828 · ANDESITE

Sample

Sample ID	84CG-V59C
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.0819
Longitude	-122.272
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	62.53		WT%	XRF
TIO2	0.78		WT%	XRF
AL2O3	17.1		WT%	XRF
FEOT	5.43		WT%	XRF
MNO	0.11		WT%	XRF
MGO	2.64		WT%	XRF
CAO	6.13		WT%	XRF
NA2O	3.94		WT%	XRF
K2O	1.13		WT%	XRF
P2O5	0.21		WT%	XRF
TOTAL	99.53		WT%	XRF
LOI	2.13		WT%	XRF
BA	339		PPM	XRF
LA	25		PPM	XRF
CE	38		PPM	XRF
RB	34		PPM	XRF
SR	354		PPM	XRF
Y	21		PPM	XRF
ZR	181		PPM	XRF
NB	10		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.