Sample 91PS-U262

NavDat sample number 59394 · BASALTIC-ANDESITE

Sample

Sample ID	91PS-U262
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.1961
Longitude	-122.615
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
37		36	39

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	53.64		WT%	XRF
TIO2	1.42		WT%	XRF
AL2O3	17.23		WT%	XRF
FEOT	8.73		WT%	XRF
MNO	0.14		WT%	XRF
MGO	5.54		WT%	XRF
CAO	9.15		WT%	XRF
NA2O	3.25		WT%	XRF
K2O	0.64		WT%	XRF
P2O5	0.27		WT%	XRF
TOTAL	99.7		WT%	XRF
LOI	1.25		WT%	XRF
BA	146		PPM	XRF
LA	-30		PPM	XRF
CE	35		PPM	XRF
RB	12		PPM	XRF
SR	385		PPM	XRF
Y	19		PPM	XRF
ZR	156		PPM	XRF
NB	12		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.