Sample ET-31

NavDat sample number 55343

Sample

Sample ID	ET-31
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	44.2075
Longitude	-122.059
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
5		4	6

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	54.52		WT%	XRF
TIO2	1.41		WT%	XRF
AL2O3	17.27		WT%	XRF
FEOT	9.14		WT%	XRF
MNO	0		WT%	XRF
MGO	4.12		WT%	XRF
CAO	9.34		WT%	XRF
NA2O	3.51		WT%	XRF
K2O	0.69		WT%	XRF
P2O5	0		WT%	XRF
TOTAL	99.59		WT%	XRF

References

Priest, George R; Black, Gerald L; Woller, Neil M; Taylor, Edward M (1988) Geologic map of the McKenzie Bridge Quadrangle, Lane County, Oregon. Geological Map Series (Portland). 48; 1988.