Sample R8-1-18

NavDat sample number 36716 · BASALT

Sample

Sample ID	R8-1-18
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	porphyritic olivine basalt lava; contains large plagioclase and augite megacrysts in a holocrystalline matrix of course plagioclase, augite and Fe-oxide

Age (Ma)	Error	Min	Max	Geologic age	Dated by
3.99		3.89	4.09

Item	Value	Unit	Method
SIO2	45.82	WT%	ICP
TIO2	3.47	WT%	ICP
AL2O3	15.54	WT%	ICP
FE2O3	15.25	WT%	ICP
FEO	13.71	WT%	ICP
MNO	0.2	WT%	ICP
MGO	4.53	WT%	ICP
CAO	7.55	WT%	ICP
NA2O	4.07	WT%	ICP
K2O	1.41	WT%	ICP
P2O5	0.67	WT%	ICP
LOI	0.34	WT%	ICP
TOTAL	98.85	WT%	ICP
BA	454	PPM	INAA
CO	39	PPM	INAA
CR	35	PPM	INAA
NB	31	PPM	XRF
NI	18	PPM	XRF
RB	32	PPM	XRF
SC	20.7	PPM	INAA
SR	613	PPM	XRF
TA	3.09	PPM	INAA
TH	3.33	PPM	INAA
Y	33.2	PPM	XRF
ZN	128	PPM	XRF
ZR	371	PPM	XRF
LA	35	PPM	INAA
CE	69	PPM	INAA
ND	38.5	PPM	INAA
SM	9.45	PPM	INAA
EU	3.25	PPM	INAA
TB	1.37	PPM	INAA
YB	2.97	PPM	INAA
LU	0.47	PPM	INAA
HF	7.89	PPM	INAA
RB	64.6	PPM	MS-ID
SR	286	PPM	MS-ID
PB	2.43	PPM	MS-ID