Sample HS0117851B

NavDat sample number 16321 · ANDESITE

Sample

Sample ID	HS0117851B
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.571
Longitude	-122.314
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
40		37	43

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.1		WT%	XRF
TIO2	1.3		WT%	XRF
AL2O3	16.46		WT%	XRF
FEOT	8.11		WT%	XRF
MNO	0.13		WT%	XRF
MGO	4.95		WT%	XRF
CAO	8.26		WT%	XRF
NA2O	2.94		WT%	XRF
K2O	0.45		WT%	XRF
P2O5	0.3		WT%	XRF
TOTAL	100.01		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.