Sample 88CG-V292A

NavDat sample number 29519 · ANDESITE

Sample

Sample ID	88CG-V292A
Rock name	ANDESITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	sill

Location

Latitude	46.1689
Longitude	-122.401
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
36		32.4	39.6

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	59.91		WT%	XRF
TIO2	1.14		WT%	XRF
AL2O3	16.62		WT%	XRF
FEOT	6.73		WT%	XRF
MNO	0.11		WT%	XRF
MGO	3.58		WT%	XRF
CAO	6.98		WT%	XRF
NA2O	3.93		WT%	XRF
K2O	0.79		WT%	XRF
P2O5	0.22		WT%	XRF
TOTAL	99.4		WT%	XRF
LOI	1.73		WT%	XRF
BA	255		PPM	XRF
LA	42		PPM	XRF
CE	56		PPM	XRF
RB	46		PPM	XRF
SR	360		PPM	XRF
Y	30		PPM	XRF
ZR	225		PPM	XRF
NB	14		PPM	XRF

References

Evarts, Russell C; Ashley, Roger P (1992) Preliminary geologic map of the Elk Mountain Quadrangle, Cowlitz County, Washington. Open-File Report - U. S. Geological Survey. 1992.