Sample L174F

NavDat sample number 60093 · DACITE

Sample

Sample ID	L174F
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	44.838
Longitude	-122.157
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
21		17	25

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	67.52		WT%	XRF
TIO2	0.46		WT%	XRF
AL2O3	16.57		WT%	XRF
FEOT	3.4		WT%	XRF
MNO	0.08		WT%	XRF
MGO	2		WT%	XRF
CAO	4.97		WT%	XRF
NA2O	3.67		WT%	XRF
K2O	1.26		WT%	XRF
P2O5	0.08		WT%	XRF
TOTAL	99.8		WT%	XRF
LOI	3.23		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.