Sample OW19 WR

NavDat sample number 21076 · GRANODIORITE

Sample

Sample ID	OW19 WR
Alternate ID	28
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	of the Santa Rita Flat pluton Ross 1969, about 4.8 km SE of Jack Black mine

Location

Latitude	36.905
Longitude	-118.162
Location	Sierra Nevada Batholith
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
163		146.7	179.3

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
PB	12.7		PPM	MS-ID
U	4.57		PPM	MS-ID
TH	16.4		PPM	MS-ID
RB	95.23		PPM	MS-ID
SR	416.4		PPM	MS-ID
SR87_SR86	0.70883			MS-ID
PB206_PB204	19.572			MS-ID
PB207_PB204	15.669			MS-ID
PB208_PB204	39.616			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