Sample 93PS-U384

NavDat sample number 59735 · BASALTIC-ANDESITE

Sample

Sample ID	93PS-U384
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.1508
Longitude	-122.742
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	53.92		WT%	XRF
TIO2	1.28		WT%	XRF
AL2O3	18.79		WT%	XRF
FEOT	8.41		WT%	XRF
MNO	0.15		WT%	XRF
MGO	3.65		WT%	XRF
CAO	9.52		WT%	XRF
NA2O	3.5		WT%	XRF
K2O	0.57		WT%	XRF
P2O5	0.21		WT%	XRF
TOTAL	99.85		WT%	XRF
LOI	1.06		WT%	XRF
BA	130		PPM	XRF
LA	-30		PPM	XRF
CE	35		PPM	XRF
RB	19		PPM	XRF
SR	430		PPM	XRF
Y	22		PPM	XRF
ZR	120		PPM	XRF
NB	-10		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.