Sample 93PS-U319A

NavDat sample number 59727 · BASALTIC-ANDESITE

Sample

Sample ID	93PS-U319A
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.1486
Longitude	-122.688
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	55.55		WT%	XRF
TIO2	1.37		WT%	XRF
AL2O3	17.96		WT%	XRF
FEOT	8.29		WT%	XRF
MNO	0.14		WT%	XRF
MGO	3.54		WT%	XRF
CAO	8.9		WT%	XRF
NA2O	3.38		WT%	XRF
K2O	0.6		WT%	XRF
P2O5	0.27		WT%	XRF
TOTAL	99.68		WT%	XRF
LOI	2.49		WT%	XRF
BA	176		PPM	XRF
LA	-30		PPM	XRF
CE	62		PPM	XRF
RB	15		PPM	XRF
SR	405		PPM	XRF
Y	16		PPM	XRF
ZR	146		PPM	XRF
NB	11		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.