Sample L878

NavDat sample number 60174 · DIORITE

Sample

Sample ID	L878
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	44.2511
Longitude	-122.316
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
23		2	45

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	58.47		WT%	XRF
TIO2	1.16		WT%	XRF
AL2O3	16.98		WT%	XRF
FEOT	7.19		WT%	XRF
MNO	0.15		WT%	XRF
MGO	3.73		WT%	XRF
CAO	7.47		WT%	XRF
NA2O	3.68		WT%	XRF
K2O	0.91		WT%	XRF
P2O5	0.25		WT%	XRF
TOTAL	100.57		WT%	XRF
LOI	1.17		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.