Sample W31 WR

NavDat sample number 21111 · DIORITE

Sample

Sample ID	W31 WR
Alternate ID	54
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	E arm of Lake Kaweah, 1.6 km N of Tharps Peak, Hwy. 198 at turnoff to marina road

Location

Latitude	36.4117
Longitude	-118.937
Location	Sierra Nevada Batholith
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
108		97.2	118.8

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
PB	7.45		PPM	MS-ID
U	1.58		PPM	MS-ID
TH	4.1		PPM	MS-ID
RB	40.47		PPM	MS-ID
SR	386.4		PPM	MS-ID
SR87_SR86	0.7054			MS-ID
PB206_PB204	19.293			MS-ID
PB207_PB204	15.73			MS-ID
PB208_PB204	39.041			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