Sample 92PS-U239A

NavDat sample number 59852 · BASALTIC-ANDESITE

Sample

Sample ID	92PS-U239A
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2322
Longitude	-122.611
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
37		33.3	40.7

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	54.84		WT%	XRF
TIO2	2.26		WT%	XRF
AL2O3	15.99		WT%	XRF
FEOT	10.15		WT%	XRF
MNO	0.19		WT%	XRF
MGO	3.75		WT%	XRF
CAO	7.23		WT%	XRF
NA2O	4.3		WT%	XRF
K2O	0.89		WT%	XRF
P2O5	0.4		WT%	XRF
TOTAL	99.54		WT%	XRF
LOI	0.89		WT%	XRF
BA	215		PPM	XRF
LA	-30		PPM	XRF
CE	46		PPM	XRF
RB	18		PPM	XRF
SR	370		PPM	XRF
Y	37		PPM	XRF
ZR	194		PPM	XRF
NB	15		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.