Sample 728

NavDat sample number 14926

Sample

Sample ID	728
Alternate ID	41-F
Material	METAMORPHIC
Comment	Greenstone

Location

Latitude	44.801
Longitude	-118.036
State / province	Oregon
Elevation	1987

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
248		206	290

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	51.56		WT%	XRF
AL2O3	14.08		WT%	XRF
TIO2	1.657		WT%	XRF
FEOT	11.83		WT%	XRF
MNO	0.18		WT%	XRF
CAO	10.41		WT%	XRF
MGO	7.41		WT%	XRF
K2O	0.02		WT%	XRF
NA2O	2.68		WT%	XRF
P2O5	0.18		WT%	XRF

References

Ferns, Mark L; Brooks, Howard C; Avery, Dan G; Blome, Charles D (1987) Geology and mineral resources map of the Elkhorn Peak Quadrangle, Baker County, Oregon. Geological Map Series (Portland). 41; 1987.