Sample L4

NavDat sample number 60061 · GRANITE

Sample

Sample ID	L4
Rock name	GRANITE
Rock type	PLUTONIC
Composition	FELSIC
Material	IGNEOUS

Location

Latitude	44.1187
Longitude	-122.449
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
17		15.3	18.7

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	73.79		WT%	XRF
TIO2	0.38		WT%	XRF
AL2O3	13.67		WT%	XRF
FEOT	2.15		WT%	XRF
MNO	0.06		WT%	XRF
MGO	0.38		WT%	XRF
CAO	1.76		WT%	XRF
NA2O	4.4		WT%	XRF
K2O	3.35		WT%	XRF
P2O5	0.05		WT%	XRF
TOTAL	99.64		WT%	XRF
LOI	0.39		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.