Sample 93TO-B90

NavDat sample number 59988 · BASALTIC-ANDESITE

Sample

Sample ID	93TO-B90
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.3375
Longitude	-122.612
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	56.7		WT%	XRF
TIO2	1.38		WT%	XRF
AL2O3	16.83		WT%	XRF
FEOT	8.05		WT%	XRF
MNO	0.17		WT%	XRF
MGO	4.35		WT%	XRF
CAO	7.89		WT%	XRF
NA2O	3.53		WT%	XRF
K2O	0.68		WT%	XRF
P2O5	0.42		WT%	XRF
TOTAL	100.28		WT%	XRF
LOI	1.34		WT%	XRF
BA	230		PPM	XRF
LA	37		PPM	XRF
CE	72		PPM	XRF
RB	20		PPM	XRF
SR	430		PPM	XRF
Y	37		PPM	XRF
ZR	270		PPM	XRF
NB	19		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.