Sample SSP-59

NavDat sample number 29298 · BASALT

Sample

Sample ID	SSP-59
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	alkali olivine basalt; phenos of olivine and plag in fine-grained, intergranular groundmass of plag, olivine, and pyroxene; plag phenos are commonly corroded; location given is for vent

Latitude	43.565
Longitude	-115.589
Location	Western Snake River Plain
State / province	Idaho
Volcanic field	Boise River Group 2, Lava Creek basalt

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.35		0.2	0.5

Item	Value	Unit	Method
SIO2	48.1	WT%	EPMA
TIO2	1.95	WT%	EPMA
AL2O3	17.3	WT%	EPMA
FEOT	11.94	WT%	EPMA
MNO	0.18	WT%	EPMA
MGO	6	WT%	EPMA
CAO	8.38	WT%	EPMA
NA2O	3.31	WT%	EPMA
K2O	2.22	WT%	EPMA
P2O5	0.45	WT%	EPMA
TOTAL	99.8	WT%	EPMA
NB	28	PPM	XRF
ZR	153	PPM	XRF
Y	25	PPM	XRF
SR	438	PPM	XRF
RB	62	PPM	XRF
NI	51	PPM	XRF
CR	61	PPM	XRF
V	194	PPM	XRF
SC	26	PPM	XRF
BA	710	PPM	XRF
D18O	5.82	PERMILL	MS