Sample W34 WR

NavDat sample number 21113 · DIORITE

Sample

Sample ID	W34 WR
Alternate ID	56
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	Hwy. 198, W of Salt Creek bridge, E end of Three Rivers, and W of BM1030

Location

Latitude	36.4583
Longitude	-118.872
Location	Sierra Nevada Batholith
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
97		87.3	106.7

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
PB	14.4		PPM	MS-ID
U	3.39		PPM	MS-ID
TH	15.7		PPM	MS-ID
PB206_PB204	19.251			MS-ID
PB207_PB204	15.67			MS-ID
PB208_PB204	38.999			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