Sample R8-1-28

NavDat sample number 36699 · BASALT

Sample

Sample ID	R8-1-28
Rock name	BASALT
Rock type	VOLCANIC
Composition	MAFIC
Material	IGNEOUS
Comment	porphyritic olivine basalt flow; contains large plagioclase megacrysts in a holocrystalline matrix of course plagioclase, augite and Fe-oxide

Age (Ma)	Error	Min	Max	Geologic age	Dated by
5.74		5.64	5.84

Item	Value	Unit	Method
SIO2	48.09	WT%	ICP
TIO2	2.75	WT%	ICP
AL2O3	17.37	WT%	ICP
FE2O3	12.56	WT%	ICP
FEO	11.29	WT%	ICP
MNO	0.16	WT%	ICP
MGO	3.74	WT%	ICP
CAO	8.2	WT%	ICP
NA2O	4	WT%	ICP
K2O	1.88	WT%	ICP
P2O5	0.74	WT%	ICP
LOI	0.9	WT%	ICP
TOTAL	100.39	WT%	ICP
BA	386	PPM	INAA
CO	28	PPM	INAA
CR	75	PPM	INAA
NB	40	PPM	XRF
NI	17	PPM	XRF
RB	33.1	PPM	XRF
SC	18.2	PPM	INAA
SR	702	PPM	XRF
TA	2.39	PPM	INAA
TH	3.06	PPM	INAA
Y	25.1	PPM	XRF
ZN	93	PPM	XRF
ZR	244	PPM	XRF
LA	35.4	PPM	INAA
CE	70.4	PPM	INAA
ND	35.3	PPM	INAA
SM	7.64	PPM	INAA
EU	2.32	PPM	INAA
GD	0.95	PPM	INAA
YB	1.94	PPM	INAA
LU	0.31	PPM	INAA
HF	6.08	PPM	INAA
RB	29.5	PPM	MS-ID
SR	733	PPM	MS-ID