Sample MK85610

NavDat sample number 16318 · ANDESITE

Sample

Sample ID	MK85610
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.512
Longitude	-122.178
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
32		28	36

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.47		WT%	XRF
TIO2	1.21		WT%	XRF
AL2O3	17.2		WT%	XRF
FEOT	7.95		WT%	XRF
MNO	0.15		WT%	XRF
MGO	3.83		WT%	XRF
CAO	7.92		WT%	XRF
NA2O	2.9		WT%	XRF
K2O	1.08		WT%	XRF
P2O5	0.28		WT%	XRF
TOTAL	100		WT%	XRF

References

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