Sample 68M91 KF

NavDat sample number 21064 · GRANODIORITE

Sample

Sample ID	68M91 KF
Alternate ID	18
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	of the North Dome pluton Moore et al. 1972

Location

Latitude	36.8283
Longitude	-118.68
Location	Sierra Nevada Batholith
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
89		80.1	97.9

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
PB206_PB204	18.993			MS-ID
PB207_PB204	15.64			MS-ID
PB208_PB204	38.824			MS-ID

References

Chen, J H; Tilton, G R (1991) Applications of lead and strontium isotopic relationships to the petrogenesis of granitoid rocks, central Sierra Nevada Batholith, California. Geological Society of America Bulletin, vol.103, no.4, pp.439-447, Apr 1991 doi:10.1130/0016-7606(1991)103<0439:AOLASI>2.3.CO;2