Sample 93-ER-A162

NavDat sample number 60024 · BASALTIC-ANDESITE

Sample

Sample ID	93-ER-A162
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2981
Longitude	-122.45
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
34		30.6	37.4

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	56.91		WT%	XRF
TIO2	1.17		WT%	XRF
AL2O3	17.87		WT%	XRF
FEOT	7.37		WT%	XRF
MNO	0.17		WT%	XRF
MGO	3.87		WT%	XRF
CAO	7.72		WT%	XRF
NA2O	3.49		WT%	XRF
K2O	1.13		WT%	XRF
P2O5	0.29		WT%	XRF
TOTAL	99.98		WT%	XRF
LOI	1.83		WT%	XRF
BA	330		PPM	XRF
LA	36		PPM	XRF
CE	55		PPM	XRF
RB	13		PPM	XRF
SR	390		PPM	XRF
Y	23		PPM	XRF
ZR	240		PPM	XRF
NB	15		PPM	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.