Sample L797

NavDat sample number 60164 · DACITE

Sample

Sample ID	L797
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	44.6021
Longitude	-122.442
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	63.88		WT%	XRF
TIO2	0.72		WT%	XRF
AL2O3	16.46		WT%	XRF
FEOT	4.85		WT%	XRF
MNO	0.09		WT%	XRF
MGO	2.65		WT%	XRF
CAO	5.77		WT%	XRF
NA2O	3.55		WT%	XRF
K2O	1.9		WT%	XRF
P2O5	0.12		WT%	XRF
TOTAL	100.08		WT%	XRF
LOI	1.59		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.