Sample L1068

NavDat sample number 60183 · RHYOLITE

Sample

Sample ID	L1068
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	44.5791
Longitude	-122.033
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
16		14	19

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	72.91		WT%	XRF
TIO2	0.4		WT%	XRF
AL2O3	14.84		WT%	XRF
FEOT	1.78		WT%	XRF
MNO	0.04		WT%	XRF
MGO	0.2		WT%	XRF
CAO	1.37		WT%	XRF
NA2O	5.15		WT%	XRF
K2O	3.25		WT%	XRF
P2O5	0.06		WT%	XRF
TOTAL	99.33		WT%	XRF
LOI	0.73		WT%	XRF

References

du, Bray Edward A; John, David A; Sherrod, David R; Evarts, Russell C; Conrey, Richard M; Lexa, Jaroslav (2006) Geochemical database for volcanic rocks of the western Cascades, Washington, Oregon, and California. U. S. Geological Survey Data Series. 2006.