Sample HS0515853

NavDat sample number 16316 · ANDESITE

Sample

Sample ID	HS0515853
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.532
Longitude	-122.201
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	61.18		WT%	XRF
TIO2	1.33		WT%	XRF
AL2O3	15.75		WT%	XRF
FEOT	7.96		WT%	XRF
MNO	0.13		WT%	XRF
MGO	2.8		WT%	XRF
CAO	5.72		WT%	XRF
NA2O	3.44		WT%	XRF
K2O	1.28		WT%	XRF
P2O5	0.4		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.