Sample MK85619

NavDat sample number 16301 · ANDESITE

Sample

Sample ID	MK85619
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.505
Longitude	-121.884
State / province	Washington

Age

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

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.89		WT%	XRF
TIO2	1.4		WT%	XRF
AL2O3	17.12		WT%	XRF
FEOT	9.38		WT%	XRF
MNO	0.17		WT%	XRF
MGO	2.62		WT%	XRF
CAO	7.58		WT%	XRF
NA2O	2.84		WT%	XRF
K2O	0.78		WT%	XRF
P2O5	0.23		WT%	XRF
TOTAL	100		WT%	XRF

References

Schasse-Henry-William (compiler) (1987) Geologic map of the Mount Rainier Quadrangle, Washington. Open-File Report - Washington (State). Division of Geology and Earth Resources. 1987.