Sample CS-11

NavDat sample number 57350 · ANDESITE

Sample

Sample ID	CS-11
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.4722
Longitude	-121.646
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	57.24		WT%	XRF
TIO2	1.3		WT%	XRF
AL2O3	16.79		WT%	XRF
FEO	8.83		WT%	XRF
MNO	0.14		WT%	XRF
MGO	4.78		WT%	XRF
CAO	7.38		WT%	XRF
NA2O	2.4		WT%	XRF
K2O	0.93		WT%	XRF
P2O5	0.21		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.