Sample 91-035

NavDat sample number 57364 · DIORITE

Sample

Sample ID	91-035
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.4373
Longitude	-121.715
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
20		15	25

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	61.52		WT%	XRF
TIO2	0.84		WT%	XRF
AL2O3	16.29		WT%	XRF
FEO	5.11		WT%	XRF
MNO	0.1		WT%	XRF
MGO	5.82		WT%	XRF
CAO	4.32		WT%	XRF
NA2O	4.37		WT%	XRF
K2O	1.29		WT%	XRF
P2O5	0.34		WT%	XRF

References

Swanson, Donald A (1993) Geologic map of the Blue Lake Quadrangle, southern Cascade Range, Washington. Open-File Report - U. S. Geological Survey. 1993.