Sample 93TO-B72

NavDat sample number 59422 · BASALTIC-ANDESITE

Sample

Sample ID	93TO-B72
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.3608
Longitude	-122.609
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	56.59		WT%	XRF
TIO2	1.48		WT%	XRF
AL2O3	16.51		WT%	XRF
FEOT	8.34		WT%	XRF
MNO	0.21		WT%	XRF
MGO	4.35		WT%	XRF
CAO	7.83		WT%	XRF
NA2O	3.43		WT%	XRF
K2O	0.85		WT%	XRF
P2O5	0.42		WT%	XRF
TOTAL	99.6		WT%	XRF
LOI	1.15		WT%	XRF
BA	210		PPM	XRF
LA	34		PPM	XRF
CE	60		PPM	XRF
RB	13		PPM	XRF
SR	420		PPM	XRF
Y	29		PPM	XRF
ZR	270		PPM	XRF
NB	20		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.