Sample 92PS-U115

NavDat sample number 59833 · DIORITE

Sample

Sample ID	92PS-U115
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	dike

Location

Latitude	46.1478
Longitude	-122.594
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	55.06		WT%	XRF
TIO2	1.5		WT%	XRF
AL2O3	16.91		WT%	XRF
FEOT	8.65		WT%	XRF
MNO	0.14		WT%	XRF
MGO	4.54		WT%	XRF
CAO	8.47		WT%	XRF
NA2O	3.54		WT%	XRF
K2O	0.87		WT%	XRF
P2O5	0.33		WT%	XRF
TOTAL	99.27		WT%	XRF
LOI	1.86		WT%	XRF
BA	170		PPM	XRF
LA	-30		PPM	XRF
CE	31		PPM	XRF
RB	16		PPM	XRF
SR	365		PPM	XRF
Y	30		PPM	XRF
ZR	190		PPM	XRF
NB	14		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.