Sample 188

NavDat sample number 56855 · BASALT

Sample

Sample ID	188
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Drill depth	188

Location

Latitude	43.539
Longitude	-112.818
Location	Eastern Snake River Plain, Idaho National Laboratory, Core hole WO-2
State / province	Idaho
Volcanic field	Fractionation cycle 9

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.51		0.23	0.78

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
TIO2	2.59		WT%	EPMA
MGO	7.86		WT%	EPMA
K2O	0.82		WT%	EPMA
P2O5	0.56		WT%	EPMA
CR	210		PPM	XRF
LA	32.89		PPM	XRF
CE	69.22		PPM	XRF
YB	3.81		PPM	XRF
LU	0.58		PPM	XRF
SR87_SR86	0.7062			ICPMS
PB208_PB204	38.55			ICPMS

References

Shervais, John W; Vetter, Scott K; Hanan, Barry B (2006) Layered mafic sill complex beneath the eastern Snake River plain;evidence from cyclic geochemical variations in basalt. Geology (Boulder), vol.34, no.5, pp.365-368, May 2006 doi:10.1130/G22226.1