Sample OPAL-4

NavDat sample number 58146

Sample

Sample ID	OPAL-4
Rock type	VOLCANIC
Material	IGNEOUS

Location

Latitude	35.0939
Longitude	-117.112
State / province	CALIFORNIA

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
18		17	20

Analyses

WHOLE ROCK

Item	Value	Std. dev.	Unit	Method
ND	18.68		PPM	INAA
RB	68.4		PPM	INAA
SR	731.1		PPM	INAA
SM	3.359		PPM	INAA
ND143_ND144	0.512414			TIMS
SR87_SR86	0.70708			TIMS

References

Miller, Jonathan S; Glazner, Allen F; Farmer, G Lang; Suayah, IsmailB; Keith, Lori A (2000) A Sr, Nd, and Pb isotopic study of mantle domains and crustalstructure from Miocene volcanic rocks in the Mojave Desert,California. Geological Society of America Bulletin, vol.112, no.8, pp.1264-1279,Aug 2000 doi:10.1130/0016-7606(2000)112<1264:ASNAPI>2.0.CO;2