Sample KC20 WR

NavDat sample number 21069 · GRANODIORITE

Sample

Sample ID	KC20 WR
Alternate ID	23
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	of the Paradise pluton Moore 1978, Moore 1963, W side of Mist Falls

Location

Latitude	36.8133
Longitude	-118.552
Location	Sierra Nevada Batholith
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
85		76.5	93.5

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
PB	16.4		PPM	MS-ID
U	4.89		PPM	MS-ID
TH	17.1		PPM	MS-ID
PB206_PB204	18.868			MS-ID
PB207_PB204	15.646			MS-ID
PB208_PB204	39.112			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