Sample W3 WR

NavDat sample number 21053 · DIORITE

Sample

Sample ID	W3 WR
Alternate ID	7
Rock name	DIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	Hwy. 180, N of Black Oak Flat, near Snowline Lodge

Location

Latitude	36.7467
Longitude	-119.06
Location	Sierra Nevada Batholith
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
112		100.8	123.2

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
PB	9.93		PPM	MS-ID
U	2.74		PPM	MS-ID
TH	10.7		PPM	MS-ID
RB	22.14		PPM	MS-ID
SR	234.9		PPM	MS-ID
SR87_SR86	0.70567			MS-ID
PB206_PB204	19.171			MS-ID
PB207_PB204	15.62			MS-ID
PB208_PB204	38.813			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