Sample 84SH-V22

NavDat sample number 59914 · ANDESITE

Sample

Sample ID	84SH-V22
Rock name	ANDESITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	sill?

Location

Latitude	46.1653
Longitude	-122.047
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	62.53		WT%	XRF
TIO2	1.36		WT%	XRF
AL2O3	15.07		WT%	XRF
FEOT	8.15		WT%	XRF
MNO	0.15		WT%	XRF
MGO	1.88		WT%	XRF
CAO	5.3		WT%	XRF
NA2O	4.24		WT%	XRF
K2O	0.98		WT%	XRF
P2O5	0.34		WT%	XRF
TOTAL	101.15		WT%	XRF
LOI	3.31		WT%	XRF
BA	365		PPM	XRF
LA	-30		PPM	XRF
CE	76		PPM	XRF
RB	40		PPM	XRF
SR	198		PPM	XRF
Y	52		PPM	XRF
ZR	335		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.