Sample HS1002841

NavDat sample number 16313 · ANDESITE

Sample

Sample ID	HS1002841
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.538
Longitude	-122.376
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
34		32	37

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.95		WT%	XRF
TIO2	1.23		WT%	XRF
AL2O3	18.61		WT%	XRF
FEOT	7.17		WT%	XRF
MNO	0.11		WT%	XRF
MGO	2.86		WT%	XRF
CAO	6.68		WT%	XRF
NA2O	4.01		WT%	XRF
K2O	1.14		WT%	XRF
P2O5	0.24		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.