Sample OPG-442

NavDat sample number 93225 · BASALT

Sample

Sample ID	OPG-442
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Collected by	Church and Barakso
Comment	Lava flow with large plagioclase and clinopyroxene phenocrysts

Age (Ma)	Error	Min	Max	Geologic age	Dated by
52		46.8	57.2

Item	Value	Unit	Method
SIO2	51.94	WT%	XRF
TIO2	1.53	WT%	XRF
AL2O3	16.49	WT%	XRF
FE2O3T	7.99	WT%	XRF
MNO	0.12	WT%	XRF
MGO	2.17	WT%	XRF
CAO	5.69	WT%	XRF
NA2O	4.16	WT%	XRF
K2O	2.89	WT%	XRF
P2O5	0.95	WT%	XRF
LOI	5.5	WT%	XRF
CR	72	PPM	XRF
NI	54	PPM	XRF
CO	17	PPM	XRF
V	173	PPM	XRF
ZN	116	PPM	XRF
RB	59	PPM	XRF
BA	1694	PPM	XRF
SR	1167	PPM	XRF
GA	20	PPM	XRF
TA	1.36	PPM	ICPMS
NB	30.4	PPM	ICPMS
HF	7.68	PPM	ICPMS
ZR	344	PPM	ICPMS
Y	30	PPM	ICPMS
TH	10.95	PPM	ICPMS
LA	66.17	PPM	ICPMS
CE	138.85	PPM	ICPMS
PR	16.86	PPM	ICPMS
ND	66.15	PPM	ICPMS
SM	11.89	PPM	ICPMS
EU	2.74	PPM	ICPMS
GD	8.6	PPM	ICPMS
TB	1.13	PPM	ICPMS
DY	6.2	PPM	ICPMS
HO	1.13	PPM	ICPMS
ER	3.09	PPM	ICPMS
TM	0.43	PPM	ICPMS
YB	2.74	PPM	ICPMS
LU	0.41	PPM	ICPMS