Sample W2 WR

NavDat sample number 21054 · ALASKITE

Sample

Sample ID	W2 WR
Alternate ID	8
Rock name	ALASKITE
Rock type	PLUTONIC
Composition	FELSIC
Material	IGNEOUS
Comment	Hwy. 180, 2.4 km W of Sequoia Lake

Location

Latitude	36.7267
Longitude	-119.008
Location	Sierra Nevada Batholith
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
106		95.4	116.6

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
PB	16.2		PPM	MS-ID
U	8.48		PPM	MS-ID
TH	18.3		PPM	MS-ID
RB	198.2		PPM	MS-ID
SR	14.7		PPM	MS-ID
SR87_SR86	0.7673			MS-ID
PB206_PB204	19.705			MS-ID
PB207_PB204	15.694			MS-ID
PB208_PB204	38.986			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