Sample W18 WR

NavDat sample number 21080 · DIORITE

Sample

Sample ID	W18 WR
Alternate ID	33
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	W of BM2753, 0.8 km N of Pippin Flat

Location

Latitude	36.6167
Longitude	-119.035
Location	Sierra Nevada Batholith
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
101		90.9	111.1

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
PB	7.58		PPM	MS-ID
U	1.32		PPM	MS-ID
TH	5.58		PPM	MS-ID
PB206_PB204	19.135			MS-ID
PB207_PB204	15.643			MS-ID
PB208_PB204	38.862			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