Sample MH-6

NavDat sample number 54816 · ANDESITE

Sample

Sample ID	MH-6
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	45.3993
Longitude	-121.808
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
3		2	5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	59.92		WT%	XRF
TIO2	0.86		WT%	XRF
AL2O3	17.76		WT%	XRF
FEOT	6.89		WT%	XRF
MNO	0.12		WT%	XRF
MGO	3.26		WT%	XRF
CAO	6.86		WT%	XRF
NA2O	3.19		WT%	XRF
K2O	0.98		WT%	XRF
P2O5	0.16		WT%	XRF
TOTAL	100.02		WT%	XRF

References

Priest, George R (1982) Geology and geothermal resources of the Mount Hood area, Oregon; introduction. Special Paper - Oregon, Department of Geology and Mineral Industries. 14; Pages 1-2. 1982.