Sample OW6 WR

NavDat sample number 21074 · GRANODIORITE

Sample

Sample ID	OW6 WR
Alternate ID	26
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	of the Woods Lake mass of Tinemaha granodiorite Moore 1963, roadcut 1.6 km E of Onion Valley

Location

Latitude	36.785
Longitude	-118.315
Location	Sierra Nevada Batholith
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
165		148.5	181.5

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
PB	16.6		PPM	MS-ID
U	3.82		PPM	MS-ID
TH	19.9		PPM	MS-ID
RB	77.23		PPM	MS-ID
SR	276.6		PPM	MS-ID
SR87_SR86	0.70898			MS-ID
PB206_PB204	19.35			MS-ID
PB207_PB204	15.646			MS-ID
PB208_PB204	39.426			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