Sample DG-1

NavDat sample number 10733 · SYENITE

Sample

Sample ID	DG-1
Rock name	SYENITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS

Location

Latitude	39.7667
Longitude	-105.867
Location	Dailey stock; Henderson mine
State / province	COLORADO

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
24		19	29

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
RB	501		PPM	MS-ID
SR	5.1		PPM	MS-ID
SR87_SR86	0.84157			TIMS
SM	1.58		PPM	MS-ID
ND	10.4		PPM	MS-ID
ND143_ND144	0.511331			TIMS

References

Farmer, G Lang; DePaolo, Donald J (1984) Origin of Mesozoic and Tertiary granite in the Western United States and implications for pre-Mesozoic crustal structure; 2, Nd and Sr isotopic studies of unmineralized and Cu- and Mo-mineralized granite in the Precambrian craton. JGR. Journal of Geophysical Research. B. 89; 12, Pages 10,141-10,160. 1984. . doi:10.1029/JB089iB12p10141