Sample 93PS-U370

NavDat sample number 59734 · BASALTIC-ANDESITE

Sample

Sample ID	93PS-U370
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.14
Longitude	-122.692
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
37		33.3	40.7

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	55.28		WT%	XRF
TIO2	1.47		WT%	XRF
AL2O3	16.77		WT%	XRF
FEOT	9.12		WT%	XRF
MNO	0.16		WT%	XRF
MGO	4.36		WT%	XRF
CAO	8.8		WT%	XRF
NA2O	3.34		WT%	XRF
K2O	0.41		WT%	XRF
P2O5	0.29		WT%	XRF
TOTAL	99.6		WT%	XRF
LOI	2.61		WT%	XRF
BA	158		PPM	XRF
LA	-30		PPM	XRF
CE	37		PPM	XRF
RB	10		PPM	XRF
SR	395		PPM	XRF
Y	17		PPM	XRF
ZR	154		PPM	XRF
NB	12		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.