Sample 9C52

NavDat sample number 60015 · BASALTIC-ANDESITE

Sample

Sample ID	9C52
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.426
Longitude	-122.252
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	52.04		WT%	XRF
TIO2	1.35		WT%	XRF
AL2O3	16.97		WT%	XRF
FEOT	9.86		WT%	XRF
MNO	0.19		WT%	XRF
MGO	5.79		WT%	XRF
CAO	9.52		WT%	XRF
NA2O	3		WT%	XRF
K2O	0.85		WT%	XRF
P2O5	0.43		WT%	XRF
TOTAL	101.15		WT%	XRF
LOI	4.03		WT%	XRF
BA	227		PPM	XRF
LA	-30		PPM	XRF
CE	30		PPM	XRF
RB	15		PPM	XRF
SR	354		PPM	XRF
Y	32		PPM	XRF
ZR	238		PPM	XRF
NB	16		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.