Sample BP0320861

NavDat sample number 16325 · ANDESITE

Sample

Sample ID	BP0320861
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.792
Longitude	-122.733
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	57.21		WT%	XRF
TIO2	1.84		WT%	XRF
AL2O3	15.44		WT%	XRF
FEOT	10.26		WT%	XRF
MNO	0.17		WT%	XRF
MGO	3.29		WT%	XRF
CAO	6.99		WT%	XRF
NA2O	3.57		WT%	XRF
K2O	0.93		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.