Sample 92PS-U85

NavDat sample number 59831 · BASALTIC-ANDESITE

Sample

Sample ID	92PS-U85
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.1314
Longitude	-122.559
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	52.27		WT%	XRF
TIO2	1.15		WT%	XRF
AL2O3	16.5		WT%	XRF
FEOT	9.32		WT%	XRF
MNO	0.15		WT%	XRF
MGO	6.22		WT%	XRF
CAO	10.97		WT%	XRF
NA2O	2.84		WT%	XRF
K2O	0.39		WT%	XRF
P2O5	0.18		WT%	XRF
TOTAL	99.31		WT%	XRF
LOI	1.26		WT%	XRF
BA	235		PPM	XRF
LA	-30		PPM	XRF
CE	59		PPM	XRF
RB	20		PPM	XRF
SR	460		PPM	XRF
Y	18		PPM	XRF
ZR	162		PPM	XRF
NB	16		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.