Sample HSP-109

NavDat sample number 29343 · BASALT

Sample

Sample ID	HSP-109
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	alkali olivine basalt; unit comprises aa flows near the source cinder cone and pahoehoe flows farther away; contains microphenos of plag and olivine in glassy to aphanitic groundmass of plag, olivine, pyroxene, alkali feldspar, glass, and opaques; given location is for the vent

Latitude	43.521
Longitude	-115.416
Location	Western Snake River Plain
State / province	Idaho
Volcanic field	Boise River Group 2, Fall Creek basalt

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

Item	Value	Unit	Method
SIO2	48.7	WT%	EPMA
TIO2	1.69	WT%	EPMA
AL2O3	17.4	WT%	EPMA
FEOT	10.73	WT%	EPMA
MNO	0.16	WT%	EPMA
MGO	6.39	WT%	EPMA
CAO	8.47	WT%	EPMA
NA2O	3	WT%	EPMA
K2O	2.4	WT%	EPMA
P2O5	0.45	WT%	EPMA
TOTAL	99.38	WT%	EPMA
NB	35	PPM	XRF
ZR	160	PPM	XRF
Y	23	PPM	XRF
SR	473	PPM	XRF
RB	68	PPM	XRF
NI	72	PPM	XRF
CR	100	PPM	XRF
V	183	PPM	XRF
SC	23	PPM	XRF
BA	773	PPM	XRF
LA	20.5	PPM	INAA
CE	44.4	PPM	INAA
ND	24.7	PPM	INAA
SM	5.07	PPM	INAA
EU	1.621	PPM	INAA
TB	0.632	PPM	INAA
YB	2.12	PPM	INAA
LU	0.322	PPM	INAA
HF	3.88	PPM	INAA
TA	2.27	PPM	INAA
U	0.72	PPM	INAA
TH	1.82	PPM	INAA