Sample 84SH-A68A

NavDat sample number 59900 · BASALTIC-ANDESITE

Sample

Sample ID	84SH-A68A
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.2119
Longitude	-122.243
State / province	Oregon

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
25		22.5	27.5

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	53.95		WT%	XRF
TIO2	1.4		WT%	XRF
AL2O3	17.68		WT%	XRF
FEOT	9.46		WT%	XRF
MNO	0.16		WT%	XRF
MGO	4.6		WT%	XRF
CAO	8.7		WT%	XRF
NA2O	3.23		WT%	XRF
K2O	0.61		WT%	XRF
P2O5	0.21		WT%	XRF
TOTAL	100.58		WT%	XRF
LOI	1.28		WT%	XRF
BA	156		PPM	XRF
LA	34		PPM	XRF
CE	52		PPM	XRF
RB	16		PPM	XRF
SR	340		PPM	XRF
Y	28		PPM	XRF
ZR	126		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.