Sample R8-1-13

NavDat sample number 36709 · BASALT

Sample

Sample ID	R8-1-13
Rock name	BASALT
Rock type	PLUTONIC
Composition	MAFIC
Material	IGNEOUS
Comment	porphyritic olivine basalt plug; 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
4.64		4.5	4.78

Item	Value	Unit	Method
SIO2	45.49	WT%	ICP
TIO2	2.81	WT%	ICP
AL2O3	14.99	WT%	ICP
FE2O3	14.1	WT%	ICP
FEO	12.68	WT%	ICP
MNO	0.16	WT%	ICP
MGO	6.11	WT%	ICP
CAO	7.84	WT%	ICP
NA2O	3.54	WT%	ICP
K2O	0.89	WT%	ICP
P2O5	0.44	WT%	ICP
LOI	0.18	WT%	ICP
TOTAL	96.55	WT%	ICP
BA	341	PPM	INAA
CO	46	PPM	INAA
CR	147	PPM	INAA
NB	35	PPM	XRF
NI	103	PPM	XRF
RB	12.2	PPM	XRF
SC	21	PPM	INAA
SR	617	PPM	XRF
TA	2.22	PPM	INAA
TH	2.16	PPM	INAA
Y	25.3	PPM	XRF
ZN	113	PPM	XRF
ZR	228	PPM	XRF
LA	25	PPM	INAA
CE	51	PPM	INAA
ND	28.9	PPM	INAA
SM	7.17	PPM	INAA
EU	2.35	PPM	INAA
TB	0.93	PPM	INAA
YB	2.15	PPM	INAA
LU	0.32	PPM	INAA
HF	5.32	PPM	INAA
PB	1.67	PPM	MS-ID