Sample BP0320862

NavDat sample number 16324 · ANDESITE

Sample

Sample ID	BP0320862
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.81
Longitude	-122.736
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	61.4		WT%	XRF
TIO2	1.47		WT%	XRF
AL2O3	16.15		WT%	XRF
FEOT	7.45		WT%	XRF
MNO	0.16		WT%	XRF
MGO	2.49		WT%	XRF
CAO	5.5		WT%	XRF
NA2O	4.17		WT%	XRF
K2O	0.91		WT%	XRF
P2O5	0.3		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.