Sample 93-066

NavDat sample number 36878 · BASALT

Sample

Sample ID	93-066
Rock name	BASALT
Rock type	PLUTONIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	46.4983
Longitude	-121.61
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	49.14		WT%	XRF
TIO2	0.78		WT%	XRF
AL2O3	25.04		WT%	XRF
FEO	6.66		WT%	XRF
MNO	0.21		WT%	XRF
MGO	2.28		WT%	XRF
CAO	12.94		WT%	XRF
NA2O	2.68		WT%	XRF
K2O	0.15		WT%	XRF
P2O5	0.13		WT%	XRF

References

Swanson, Donald A (1996) Geologic map of the Hamilton Buttes Quadrangle, southern Cascade Range, Washington. Open-File Report - U. S. Geological Survey. 1996.