Sample 82-010

NavDat sample number 57751 · DACITE

Sample

Sample ID	82-010
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	46.5295
Longitude	-121.586
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	64.13		WT%	XRF
TIO2	1.22		WT%	XRF
AL2O3	11.86		WT%	XRF
FEO	11.33		WT%	XRF
MNO	0.18		WT%	XRF
MGO	2.92		WT%	XRF
CAO	3.87		WT%	XRF
NA2O	2.61		WT%	XRF
K2O	1.6		WT%	XRF
P2O5	0.28		WT%	XRF

References

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