Sample L52

NavDat sample number 60067 · ANDESITE

Sample

Sample ID	L52
Rock name	ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	43.4339
Longitude	-122.452
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	60.26		WT%	XRF
TIO2	0.96		WT%	XRF
AL2O3	17.15		WT%	XRF
FEOT	6.44		WT%	XRF
MNO	0.1		WT%	XRF
MGO	3.02		WT%	XRF
CAO	6.52		WT%	XRF
NA2O	3.74		WT%	XRF
K2O	1.58		WT%	XRF
P2O5	0.22		WT%	XRF
TOTAL	99.85		WT%	XRF
LOI	1.66		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.