Sample 91PS-U204

NavDat sample number 59380 · BASALT

Sample

Sample ID	91PS-U204
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	46.2369
Longitude	-122.566
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
37		36	39

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	50.5		WT%	XRF
TIO2	1.53		WT%	XRF
AL2O3	16.53		WT%	XRF
FEOT	9.8		WT%	XRF
MNO	0.15		WT%	XRF
MGO	8.29		WT%	XRF
CAO	9.57		WT%	XRF
NA2O	2.95		WT%	XRF
K2O	0.44		WT%	XRF
P2O5	0.25		WT%	XRF
TOTAL	99.46		WT%	XRF
LOI	1.72		WT%	XRF
BA	87		PPM	XRF
LA	-30		PPM	XRF
CE	-30		PPM	XRF
RB	10		PPM	XRF
SR	400		PPM	XRF
Y	19		PPM	XRF
ZR	122		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.