Sample 82CG-V20

NavDat sample number 21153 · DIORITE

Sample

Sample ID	82CG-V20
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	46.0628
Longitude	-122.288
State / province	Washington

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
34		30.6	37.4

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	56.96		WT%	XRF
TIO2	1.21		WT%	XRF
AL2O3	17.59		WT%	XRF
FEOT	8.66		WT%	XRF
MNO	0.18		WT%	XRF
MGO	3.3		WT%	XRF
CAO	7.61		WT%	XRF
NA2O	3.4		WT%	XRF
K2O	0.85		WT%	XRF
P2O5	0.24		WT%	XRF
TOTAL	100.61		WT%	XRF
LOI	2.29		WT%	XRF
BA	218		PPM	XRF
LA	-30		PPM	XRF
CE	41		PPM	XRF
RB	22		PPM	XRF
SR	309		PPM	XRF
Y	25		PPM	XRF
ZR	172		PPM	XRF
NB	11		PPM	XRF

References

Evarts, Russell C; Ashley, Roger P (1990) Preliminary geologic map of the Cougar Quadrangle, Cowlitz and Clark counties, Washington. Open-File Report - U. S. Geological Survey. 1990.