Sample 3FB-V03

NavDat sample number 55862 · BASALTIC-ANDESITE

Sample

Sample ID	3FB-V03
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2771
Longitude	-121.965
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	54.01		WT%	XRF
TIO2	1.78		WT%	XRF
AL2O3	16.2		WT%	XRF
FEO	10.82		WT%	XRF
MNO	0.17		WT%	XRF
MGO	4.2		WT%	XRF
CAO	8.22		WT%	XRF
NA2O	3.46		WT%	XRF
K2O	0.9		WT%	XRF
P2O5	0.23		WT%	XRF

References

Swanson, Donald A (1989) Geologic maps of the French Butte and Greenhorn Buttes quadrangles, Washington. Open-File Report - U. S. Geological Survey. 1989.