Sample 91PS-U247C

NavDat sample number 59373 · BASALTIC-ANDESITE

Sample

Sample ID	91PS-U247C
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2078
Longitude	-122.579
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	52.54		WT%	XRF
TIO2	1.26		WT%	XRF
AL2O3	16.45		WT%	XRF
FEOT	8.38		WT%	XRF
MNO	0.14		WT%	XRF
MGO	8.16		WT%	XRF
CAO	9.2		WT%	XRF
NA2O	3.06		WT%	XRF
K2O	0.57		WT%	XRF
P2O5	0.22		WT%	XRF
TOTAL	99.47		WT%	XRF
LOI	1.31		WT%	XRF
BA	136		PPM	XRF
LA	-30		PPM	XRF
CE	30		PPM	XRF
RB	14		PPM	XRF
SR	400		PPM	XRF
Y	23		PPM	XRF
ZR	122		PPM	XRF
NB	-10		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.