Sample 93TO-B82

NavDat sample number 59984 · BASALTIC-ANDESITE

Sample

Sample ID	93TO-B82
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2864
Longitude	-122.608
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
36		32.4	39.6

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	54.32		WT%	XRF
TIO2	1.29		WT%	XRF
AL2O3	19.02		WT%	XRF
FEOT	8.06		WT%	XRF
MNO	0.16		WT%	XRF
MGO	3.44		WT%	XRF
CAO	9.43		WT%	XRF
NA2O	3.51		WT%	XRF
K2O	0.52		WT%	XRF
P2O5	0.24		WT%	XRF
TOTAL	100.48		WT%	XRF
LOI	1.3		WT%	XRF
BA	164		PPM	XRF
LA	-30		PPM	XRF
CE	38		PPM	XRF
RB	14		PPM	XRF
SR	460		PPM	XRF
Y	24		PPM	XRF
ZR	138		PPM	XRF
NB	12		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.