Sample BP0317861

NavDat sample number 16061 · ANDESITE

Sample

Sample ID	BP0317861
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	45.874
Longitude	-122.709
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
28		26	31

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	57.56		WT%	XRF
TIO2	1.72		WT%	XRF
AL2O3	16.86		WT%	XRF
FEOT	9.24		WT%	XRF
MNO	0.17		WT%	XRF
MGO	3.28		WT%	XRF
CAO	6.8		WT%	XRF
NA2O	2.97		WT%	XRF
K2O	1.14		WT%	XRF
P2O5	0.26		WT%	XRF
TOTAL	99.98		WT%	XRF

References

Phillips-William-M (compiler) (1987) Geologic map of the Vancouver Quadrangle, Washington and Oregon. Open-File Report - Washington (State). Division of Geology and Earth Resources. 1987.