Sample 217

NavDat sample number 30594

Sample

Sample ID	217
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	46.92
Longitude	-121.65
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
25		22.5	27.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	71.59		WT%	XRF
TIO2	0.66		WT%	XRF
AL2O3	14.74		WT%	XRF
FEOT	2.85		WT%	XRF
MNO	0.08		WT%	XRF
MGO	0.94		WT%	XRF
CAO	4.17		WT%	XRF
NA2O	2.52		WT%	XRF
K2O	2.34		WT%	XRF
P2O5	0.1		WT%	XRF
TOTAL	97.86		WT%	XRF
RB	62		PPM	XRF
SR	338		PPM	XRF

References

Murphy, Mark T; Marsh, Bruce D (1993) Textures and magmatic evolution of intermediate-composition dome complexes; evidence from the northern Tatoosh Complex, southern Washington Cascades. Journal of Volcanology and Geothermal Research. 54; 3-4, Pages 197-220. 1993. doi:10.1016/0377-0273(93)90064-X