Sample 92-030

NavDat sample number 57458 · BASALTIC-ANDESITE

Sample

Sample ID	92-030
Rock name	BASALTIC-ANDESITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.3307
Longitude	-121.689
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
26		19	33

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	52.45		WT%	XRF
TIO2	2.14		WT%	XRF
AL2O3	17.05		WT%	XRF
FEO	11.66		WT%	XRF
MNO	0.28		WT%	XRF
MGO	3.27		WT%	XRF
CAO	8.34		WT%	XRF
NA2O	4.25		WT%	XRF
K2O	0.17		WT%	XRF
P2O5	0.39		WT%	XRF

References

Swanson, Donald A (1994) Geologic map of the East Canyon Ridge Quadrangle, southern Cascade Range, Washington. Open-File Report - U. S. Geological Survey. 1994.