Sample 93TO-B92

NavDat sample number 59953 · BASALTIC-ANDESITE

Sample

Sample ID	93TO-B92
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2847
Longitude	-122.738
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	56.59		WT%	XRF
TIO2	2.01		WT%	XRF
AL2O3	16.21		WT%	XRF
FEOT	9.05		WT%	XRF
MNO	0.18		WT%	XRF
MGO	3.16		WT%	XRF
CAO	6.95		WT%	XRF
NA2O	4.4		WT%	XRF
K2O	0.88		WT%	XRF
P2O5	0.57		WT%	XRF
TOTAL	100.11		WT%	XRF
LOI	1.04		WT%	XRF
BA	210		PPM	XRF
LA	-30		PPM	XRF
CE	49		PPM	XRF
RB	18		PPM	XRF
SR	440		PPM	XRF
Y	27		PPM	XRF
ZR	172		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.