Sample RSK-13

NavDat sample number 41027 · GREENSTONE

Sample

Sample ID	RSK-13
Rock name	GREENSTONE
Composition	MAFIC
Material	METAMORPHIC
Collected by	Kistler
Comment	Limerick Greenstone

Location

Latitude	40.3414
Longitude	-118.186
State / province	Nevada

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
225		200	251

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
RB	84		PPM	XRF
SR	613		PPM	XRF
SIO2	47.83		WT%	XRF
NA2O	4.21		WT%	XRF
K2O	2.83		WT%	XRF
H2O	2.67		WT%	XRF

References

Kistler, R W; Speed, R C (2000) (super 40) Ar/ (super 39) Ar, K-Ar, Rb-Sr whole-rock and mineral ages,chemical composition... isotopicsystematics of Jurassic Humboldt Lopolith and Permian(?) and TriassicKoipato Group rocks, Pershing and Chruchill counties, Nevada. Open-File Report - U. S. Geological Survey, Report: OF 00-0217, 14pp., 2000