Sample 47

NavDat sample number 5025

Sample

Sample ID	47
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	44.891
Longitude	-122.217
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
21		17	25

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	56		WT%	COL
TIO2	1.2		WT%	XRF
AL2O3	19.56		WT%	XRF
FEOT	7.32		WT%	XRF
MGO	3.81		WT%	AAS
CAO	6.72		WT%	XRF
NA2O	4.31		WT%	AAS
K2O	1.08		WT%	XRF
TOTAL	99.68		WT%	COL

References

Dyhrman, R F (1976) Geology of the Bagby Hot Springs area, Clackamas and Marion counties, Oregon.