Sample OW40 WR

NavDat sample number 21102 · GRANODIORITE

Sample

Sample ID	OW40 WR
Alternate ID	49
Rock name	GRANODIORITE
Rock type	PLUTONIC
Composition	INTERMEDIATE
Material	IGNEOUS
Comment	Whitney porphyritic granodiorite Moore 1981, 1 km S of Mt. Whitney, at trail close to BM 13480

Location

Latitude	36.5617
Longitude	-118.292
Location	Sierra Nevada Batholith
State / province	California

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
83		74.7	91.3

Analyses

Mineral

Item	Value	Std. dev.	Unit	Method
PB	17.4		PPM	MS-ID
U	3.53		PPM	MS-ID
TH	17.6		PPM	MS-ID
RB	121.3		PPM	MS-ID
SR	583.7		PPM	MS-ID
SR87_SR86	0.70868			MS-ID
PB206_PB204	18.808			MS-ID
PB207_PB204	15.579			MS-ID
PB208_PB204	38.906			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