Sample BR-61A

NavDat sample number 55415

Sample

Sample ID	BR-61A
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	44.2222
Longitude	-122.227
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
26		17	35

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	52.92		WT%	XRF
TIO2	1.14		WT%	XRF
AL2O3	18.72		WT%	XRF
FEOT	8.64		WT%	XRF
MNO	0.24		WT%	XRF
MGO	4.83		WT%	XRF
CAO	9.15		WT%	XRF
NA2O	3.15		WT%	XRF
K2O	0.98		WT%	XRF
P2O5	0.22		WT%	XRF
TOTAL	99.84		WT%	XRF
LOI	3.31		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.