Sample Ci-75

NavDat sample number 57598 · BASALT

Sample

Sample ID	Ci-75
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	[3 - 5 m.y.] These basalts are characterized by their uniformly high Nd values 7.7 to 9.3 and generally low, but variable, 87Sr/86Sr ratios 0.7028 to 0.7040. From the northern half of the volcanic field.

Location

Latitude	35.3284
Longitude	-115.844
State / province	California
Volcanic field	Cima Volcanic Field

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
3.64		3.276	4.004

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
RB	31		PPM	UNKNOWN
SR	447		PPM	MS
SM	7.47		PPM	UNKNOWN
ND	36.8		PPM	MS
PB	1.9		PPM	UNKNOWN
SR87_SR86	0.70362			MS
ND143_ND144	0.513097			MS
SR87_SR86_INITIAL	0.70361			MS
PB206_PB204	18.812			UNKNOWN
PB207_PB204	15.511			UNKNOWN
PB208_PB204	38.623			UNKNOWN

References

Farmer, G L; Glazner, A F; Wilshire, H G; Wooden, J L; Pickthorn, W J; Katz, M (1995) Origin of late Cenozoic basalts at the Cima volcanic field, Mojave Desert, California. Journal of Geophysical Research, B, Solid Earth and Planets, vol.100, no.5, pp.8399-8415, 10 May 1995 doi:10.1029/95JB00070