Sample MH-2538

NavDat sample number 48511 · BASALT

Sample

Sample ID	MH-2538
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	43.0574
Longitude	-115.839
Location	AFB Core, 2538 ft level
State / province	Idaho

Age

Age (Ma)	Error	Min	Max	Geologic age	Dated by
1		0.001	2

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	46.24		WT%	EPMA
TIO2	4.06		WT%	EPMA
AL2O3	13.87		WT%	EPMA
FEOT	16.42		WT%	EPMA
MNO	0.22		WT%	EPMA
MGO	7.18		WT%	EPMA
CAO	10.51		WT%	EPMA
NA2O	1.52		WT%	EPMA
K2O	0.26		WT%	EPMA
P2O5	0.11		WT%	EPMA
TOTAL	100.38		WT%	EPMA
NB	21		PPM	XRF
ZR	297		PPM	XRF
Y	54		PPM	XRF
SR	302		PPM	XRF
RB	4		PPM	XRF
ZN	178		PPM	XRF
CU	50		PPM	XRF
NI	93		PPM	XRF
CR	209		PPM	XRF

References

Shervais, John W; Shroff, Gaurav; Vetter, Scott K; Matthews, Scott; Hanan, Barry B; McGee, James J (2004) Origin and evolution of the western Snake River plain; implicationsfrom stratigraphy, faulting, and the geochemistry of basalts nearMountain Home, Idaho. Bulletin - Idaho Geological Survey, Report: 30, pp.343-361, May 2004