Sample 27.6

NavDat sample number 5957

Sample

Sample ID	27.6
Rock type	PLUTONIC
Material	IGNEOUS
Comment	dike

Location

Latitude	44.23
Longitude	-122.322
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
33.4		1.8	65	Tertiary

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	71.77		WT%	COL
TIO2	0.97		WT%	XRF
AL2O3	18.27		WT%	XRF
FEOT	2.19		WT%	XRF
MGO	0.51		WT%	AAS
CAO	0.2		WT%	XRF
NA2O	1.94		WT%	AAS
K2O	4.13		WT%	XRF
TOTAL	97.5		WT%	XRF

References

Storch, Sara Glen Power (1978) Geology of the Blue River mining district, Linn and Lane counties, Oregon.