Sample 84SH-A63

NavDat sample number 59912 · DIORITE

Sample

Sample ID	84SH-A63
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2222
Longitude	-122.131
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
25		22.5	27.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	60.08		WT%	XRF
TIO2	1.07		WT%	XRF
AL2O3	16.9		WT%	XRF
FEOT	6.69		WT%	XRF
MNO	0.14		WT%	XRF
MGO	3.34		WT%	XRF
CAO	6.8		WT%	XRF
NA2O	3.32		WT%	XRF
K2O	1.43		WT%	XRF
P2O5	0.22		WT%	XRF
TOTAL	99.82		WT%	XRF
LOI	1.43		WT%	XRF
BA	425		PPM	XRF
LA	46		PPM	XRF
CE	56		PPM	XRF
RB	36		PPM	XRF
SR	320		PPM	XRF
Y	28		PPM	XRF
ZR	240		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.