Sample 84SH-V23A

NavDat sample number 59904 · BASALTIC-ANDESITE

Sample

Sample ID	84SH-V23A
Rock name	BASALTIC-ANDESITE
Rock type	VOLCANIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.1736
Longitude	-122.044
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	56.82		WT%	XRF
TIO2	1.76		WT%	XRF
AL2O3	15.45		WT%	XRF
FEOT	9.98		WT%	XRF
MNO	0.18		WT%	XRF
MGO	3.52		WT%	XRF
CAO	7.38		WT%	XRF
NA2O	3.5		WT%	XRF
K2O	1.14		WT%	XRF
P2O5	0.28		WT%	XRF
TOTAL	99.87		WT%	XRF
LOI	1.14		WT%	XRF
BA	275		PPM	XRF
LA	-30		PPM	XRF
CE	32		PPM	XRF
RB	24		PPM	XRF
SR	240		PPM	XRF
Y	36		PPM	XRF
ZR	220		PPM	XRF
NB	14		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.