Sample 92PS-U219B

NavDat sample number 59725 · BASALTIC-ANDESITE

Sample

Sample ID	92PS-U219B
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2353
Longitude	-122.652
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	53.03		WT%	XRF
TIO2	1.96		WT%	XRF
AL2O3	16.04		WT%	XRF
FEOT	10.77		WT%	XRF
MNO	0.18		WT%	XRF
MGO	4.45		WT%	XRF
CAO	8.74		WT%	XRF
NA2O	3.74		WT%	XRF
K2O	0.65		WT%	XRF
P2O5	0.43		WT%	XRF
TOTAL	99.26		WT%	XRF
LOI	1		WT%	XRF
BA	136		PPM	XRF
LA	-30		PPM	XRF
CE	31		PPM	XRF
RB	11		PPM	XRF
SR	375		PPM	XRF
Y	20		PPM	XRF
ZR	138		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.