Sample L457

NavDat sample number 60121 · DACITE

Sample

Sample ID	L457
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	44.2913
Longitude	-122.62
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	64.23		WT%	XRF
TIO2	0.75		WT%	XRF
AL2O3	16.11		WT%	XRF
FEOT	7.49		WT%	XRF
MNO	0.2		WT%	XRF
MGO	0.62		WT%	XRF
CAO	4.88		WT%	XRF
NA2O	4.39		WT%	XRF
K2O	0.99		WT%	XRF
P2O5	0.33		WT%	XRF
TOTAL	99.47		WT%	XRF
LOI	1.01		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.