Sample 89-067

NavDat sample number 57322 · BASALTIC-ANDESITE

Sample

Sample ID	89-067
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.489
Longitude	-121.747
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
28		24	33

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	53.26		WT%	XRF
TIO2	1.82		WT%	XRF
AL2O3	16.29		WT%	XRF
FEO	10.6		WT%	XRF
MNO	0.22		WT%	XRF
MGO	4.33		WT%	XRF
CAO	9.05		WT%	XRF
NA2O	3.54		WT%	XRF
K2O	0.65		WT%	XRF
P2O5	0.25		WT%	XRF

References

Swanson, Donald A (1993) Geologic map of the Blue Lake Quadrangle, southern Cascade Range, Washington. Open-File Report - U. S. Geological Survey. 1993.