Sample 91PS-U05

NavDat sample number 59684 · BASALTIC-ANDESITE

Sample

Sample ID	91PS-U05
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.098
Longitude	-122.52
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	52.85		WT%	XRF
TIO2	1.24		WT%	XRF
AL2O3	17.65		WT%	XRF
FEOT	8.79		WT%	XRF
MNO	0.19		WT%	XRF
MGO	5.76		WT%	XRF
CAO	9.57		WT%	XRF
NA2O	3.01		WT%	XRF
K2O	0.71		WT%	XRF
P2O5	0.23		WT%	XRF
TOTAL	98.58		WT%	XRF
LOI	0.76		WT%	XRF
BA	63		PPM	XRF
LA	-30		PPM	XRF
CE	-30		PPM	XRF
RB	10		PPM	XRF
SR	300		PPM	XRF
Y	15		PPM	XRF
ZR	72		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.