Sample HSP-51

NavDat sample number 29300 · BASALT

Sample

Sample ID	HSP-51
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	alkali olivine basalt; porphyritic with large corroded phenos of plag and smaller euhedral phenos of olivine; intersertal groundmass of plag, olivine, glass, opaques, and minor sanidine; location given is for the vent

Latitude	43.521
Longitude	-115.512
Location	Western Snake River Plain
State / province	Idaho
Volcanic field	Boise River Group 2, Smith Praire basalt, unit 1

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.26		0.1	0.42

Item	Value	Unit	Method
SIO2	49.3	WT%	EPMA
TIO2	2	WT%	EPMA
AL2O3	17.8	WT%	EPMA
FEOT	10.39	WT%	EPMA
MNO	0.12	WT%	EPMA
MGO	6.78	WT%	EPMA
CAO	9.82	WT%	EPMA
NA2O	2.16	WT%	EPMA
K2O	1.16	WT%	EPMA
P2O5	0.12	WT%	EPMA
TOTAL	99.66	WT%	EPMA
NB	33	PPM	XRF
ZR	167	PPM	XRF
Y	31	PPM	XRF
SR	510	PPM	XRF
RB	32	PPM	XRF
NI	69	PPM	XRF
CR	144	PPM	XRF
V	199	PPM	XRF
SC	22	PPM	XRF
BA	620	PPM	XRF
LA	19.7	PPM	INAA
CE	44.4	PPM	INAA
ND	23.2	PPM	INAA
SM	5.45	PPM	INAA
EU	1.79	PPM	INAA
TB	0.73	PPM	INAA
YB	2.24	PPM	INAA
LU	0.341	PPM	INAA
HF	3.82	PPM	INAA
TA	2.03	PPM	INAA
U	0.44	PPM	INAA
TH	1.71	PPM	INAA