Sample 99CG-V868B

NavDat sample number 59815 · BASALTIC-ANDESITE

Sample

Sample ID	99CG-V868B
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.0207
Longitude	-122.498
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	57		WT%	XRF
TIO2	1.63		WT%	XRF
AL2O3	16.23		WT%	XRF
FEOT	8.47		WT%	XRF
MNO	0.15		WT%	XRF
MGO	3.67		WT%	XRF
CAO	7.58		WT%	XRF
NA2O	4.09		WT%	XRF
K2O	0.83		WT%	XRF
P2O5	0.35		WT%	XRF
TOTAL	99.74		WT%	XRF
BA	255		PPM	XRF
LA	24		PPM	XRF
CE	53		PPM	XRF
RB	43		PPM	XRF
SR	356		PPM	XRF
Y	34		PPM	XRF
ZR	229		PPM	XRF
NB	18		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.