Sample 5

NavDat sample number 12580 · DIORITE

Sample

Sample ID	5
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	45.822
Longitude	-121.915
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
23.2		22.2	24.2

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.19		WT%	XRF
TIO2	1.93		WT%	XRF
AL2O3	15.53		WT%	XRF
FEOT	9.97		WT%	XRF
MNO	0.2		WT%	XRF
MGO	2.82		WT%	XRF
CAO	6.23		WT%	XRF
NA2O	4.03		WT%	XRF
K2O	1.62		WT%	XRF
P2O5	0.48		WT%	XRF
TOTAL	100		WT%	XRF

References

Berri, Dulcy A; Korosec, Michael A (1983) Geological and geothermal investigation of the lower Wind River valley, southwestern Washington Cascade Range. Open-File Report - Washington (State). Division of Geology and Earth Resources. 83-5; 1983.