Sample 95-044

NavDat sample number 57750 · DIORITE

Sample

Sample ID	95-044
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.6144
Longitude	-121.522
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
21		18	24

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	60.39		WT%	XRF
TIO2	1.42		WT%	XRF
AL2O3	16.89		WT%	XRF
FEO	5.76		WT%	XRF
MNO	0.16		WT%	XRF
MGO	2.38		WT%	XRF
CAO	5.66		WT%	XRF
NA2O	4.71		WT%	XRF
K2O	2.23		WT%	XRF
P2O5	0.39		WT%	XRF

References

Swanson, Donald A (1996) Geologic map of the Packwood Lake Quadrangle, southern Cascade Range, Washington. Open-File Report - U. S. Geological Survey. 1996.