Sample L244

NavDat sample number 60102 · RHYOLITE

Sample

Sample ID	L244
Rock name	RHYOLITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	45.0509
Longitude	-122.111
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	73.69		WT%	XRF
TIO2	0.44		WT%	XRF
AL2O3	13.9		WT%	XRF
FEOT	2.67		WT%	XRF
MNO	0.07		WT%	XRF
MGO	0.42		WT%	XRF
CAO	3.03		WT%	XRF
NA2O	2.59		WT%	XRF
K2O	3.14		WT%	XRF
P2O5	0.05		WT%	XRF
TOTAL	99.75		WT%	XRF
LOI	5.51		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.