Sample L1131

NavDat sample number 60186 · DACITE

Sample

Sample ID	L1131
Rock name	DACITE
Rock type	VOLCANIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	44.6021
Longitude	-122.154
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	63.19		WT%	XRF
TIO2	0.68		WT%	XRF
AL2O3	16.66		WT%	XRF
FEOT	4.58		WT%	XRF
MNO	0.07		WT%	XRF
MGO	3		WT%	XRF
CAO	5.93		WT%	XRF
NA2O	3.85		WT%	XRF
K2O	1.87		WT%	XRF
P2O5	0.17		WT%	XRF
TOTAL	100.65		WT%	XRF
LOI	1.41		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.