Sample HSRH16316

NavDat sample number 16303 · ANDESITE

Sample

Sample ID	HSRH16316
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.727
Longitude	-122.326
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
22		20	25

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	60.18		WT%	XRF
TIO2	0.84		WT%	XRF
AL2O3	18.04		WT%	XRF
FEOT	6.79		WT%	XRF
MNO	0.12		WT%	XRF
MGO	2.96		WT%	XRF
CAO	6.58		WT%	XRF
NA2O	3.24		WT%	XRF
K2O	1.05		WT%	XRF
P2O5	0.2		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.