Sample SSP-34

NavDat sample number 29288 · BASALT

Sample

Sample ID	SSP-34
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	alkali olivine basalt; aa flow erupted from cinder cone; nearly aphyritic; rare phenos of olivine and plag; intersertal groundmass of plag, olivine, glass, rare pyroxene, and stable K-feldspar; contains numerous granitic xenoliths in various stages of dissaggregation near its vent; location given is for the vent

Latitude	43.525
Longitude	-115.566
Location	Western Snake River Plain
State / province	Idaho
Volcanic field	Boise River Group 2, Smith Creek basalt

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

Item	Value	Unit	Method
SIO2	48.9	WT%	EPMA
TIO2	2.07	WT%	EPMA
AL2O3	16.2	WT%	EPMA
FEOT	11.49	WT%	EPMA
MNO	0.16	WT%	EPMA
MGO	7.64	WT%	EPMA
CAO	8.79	WT%	EPMA
NA2O	2.31	WT%	EPMA
K2O	1.65	WT%	EPMA
P2O5	0.16	WT%	EPMA
TOTAL	99.39	WT%	EPMA
NB	30	PPM	XRF
ZR	135	PPM	XRF
Y	24	PPM	XRF
SR	359	PPM	XRF
RB	43	PPM	XRF
NI	113	PPM	XRF
CR	250	PPM	XRF
V	220	PPM	XRF
SC	21	PPM	XRF
BA	1404	PPM	XRF
LA	19.36	PPM	INAA
CE	39.4	PPM	INAA
ND	21.8	PPM	INAA
SM	5.42	PPM	INAA
EU	1.79	PPM	INAA
TB	0.755	PPM	INAA
YB	2.39	PPM	INAA
LU	0.366	PPM	INAA
HF	3.62	PPM	INAA
TA	1.57	PPM	INAA
U	0.26	PPM	INAA
TH	1.39	PPM	INAA
SR87_SR86	0.706244		TIMS
ND143_ND144	0.512547		TIMS
PB206_PB204	18.648		TIMS
PB207_PB204	15.669		TIMS
PB208_PB204	39.23		TIMS
D18O	6.54	PERMILL	MS