Sample Northumberld

NavDat sample number 40502 · GRANODIORITE

Sample

Sample ID	Northumberld
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	granodiorite, N. Toquima Range

Location

Latitude	38.96
Longitude	-116.87
State / province	Nevada

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
157		141.3	172.7

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
PB206_PB204	19.215			MS
PB207_PB204	15.673			MS
PB208_PB204	38.817			MS

References

Wooden, J L; Kistler, R W; Tosdal, R M (1999) Strontium, lead, and oxygen isotopic data for granitoid and volcanic rocks from the northern Great Basin and Sierra Nevada, California, Nevada, and Utah. Open-File Report - U. S. Geological Survey. 1999.