Sample HSP-110

NavDat sample number 29341 · BASALT

Sample

Sample ID	HSP-110
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	49.6	WT%	EPMA
TIO2	1.76	WT%	EPMA
AL2O3	17.4	WT%	EPMA
FEOT	10.56	WT%	EPMA
MNO	0.18	WT%	EPMA
MGO	6.81	WT%	EPMA
CAO	8.82	WT%	EPMA
NA2O	2.97	WT%	EPMA
K2O	2.09	WT%	EPMA
P2O5	0.37	WT%	EPMA
TOTAL	100.55	WT%	EPMA
NB	30	PPM	XRF
ZR	171	PPM	XRF
Y	27	PPM	XRF
SR	477	PPM	XRF
RB	51	PPM	XRF
NI	78	PPM	XRF
CR	112	PPM	XRF
V	174	PPM	XRF
SC	20	PPM	XRF
BA	812	PPM	XRF
LA	20.49	PPM	INAA
CE	45.5	PPM	INAA
ND	24.1	PPM	INAA
SM	5.19	PPM	INAA
EU	1.681	PPM	INAA
TB	0.631	PPM	INAA
YB	2.25	PPM	INAA
LU	0.335	PPM	INAA
HF	3.94	PPM	INAA
TA	2.2	PPM	INAA
U	0.54	PPM	INAA
TH	1.75	PPM	INAA