Sample L270

NavDat sample number 60107 · BASALTIC-ANDESITE

Sample

Sample ID	L270
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	44.9301
Longitude	-122.15
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	55.46		WT%	XRF
TIO2	0.85		WT%	XRF
AL2O3	19.06		WT%	XRF
FEOT	6.81		WT%	XRF
MNO	0.14		WT%	XRF
MGO	5.29		WT%	XRF
CAO	7.89		WT%	XRF
NA2O	3.51		WT%	XRF
K2O	0.83		WT%	XRF
P2O5	0.15		WT%	XRF
TOTAL	100.18		WT%	XRF
LOI	1.98		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.