Sample 96SRP-21-2

NavDat sample number 48505 · BASALT

Sample

Sample ID	96SRP-21-2
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS

Location

Latitude	43.0786
Longitude	-115.597
State / province	Idaho
Volcanic field	basalt of the Borrow Pit

Age

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

Analyses

Whole rock

Item	Value	Std. dev.	Unit	Method
SIO2	46.1		WT%	EPMA
TIO2	3.03		WT%	EPMA
AL2O3	13.69		WT%	EPMA
FEOT	13.77		WT%	EPMA
MNO	0.24		WT%	EPMA
MGO	6.93		WT%	EPMA
CAO	12.11		WT%	EPMA
NA2O	2.34		WT%	EPMA
K2O	0.6		WT%	EPMA
P2O5	0.58		WT%	EPMA
TOTAL	99.38		WT%	EPMA
NB	19		PPM	XRF
ZR	276		PPM	XRF
Y	43		PPM	XRF
SR	316		PPM	XRF
RB	14		PPM	XRF
ZN	136		PPM	XRF
CU	46		PPM	XRF
NI	62		PPM	XRF
CR	182		PPM	XRF
SC	36		PPM	XRF
V	349		PPM	XRF
BA	470		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