Sample 91CG-V786

NavDat sample number 59809 · BASALTIC-ANDESITE

Sample

Sample ID	91CG-V786
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.1022
Longitude	-122.495
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	54.65		WT%	XRF
TIO2	2.01		WT%	XRF
AL2O3	16.53		WT%	XRF
FEOT	10.7		WT%	XRF
MNO	0.15		WT%	XRF
MGO	3.56		WT%	XRF
CAO	7.36		WT%	XRF
NA2O	3.75		WT%	XRF
K2O	0.98		WT%	XRF
P2O5	0.3		WT%	XRF
TOTAL	100.2		WT%	XRF
LOI	2.83		WT%	XRF
BA	188		PPM	XRF
LA	-30		PPM	XRF
CE	38		PPM	XRF
RB	21		PPM	XRF
SR	360		PPM	XRF
Y	29		PPM	XRF
ZR	186		PPM	XRF
NB	24		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.