Sample R8-1-17

NavDat sample number 36688 · BASALT

Sample

Sample ID	R8-1-17
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
5.13		4.98	5.28

Item	Value	Unit	Method
SIO2	46.89	WT%	ICP
TIO2	2.91	WT%	ICP
AL2O3	16.54	WT%	ICP
FE2O3	13.31	WT%	ICP
FEO	11.97	WT%	ICP
MNO	0.17	WT%	ICP
MGO	5.63	WT%	ICP
CAO	8.86	WT%	ICP
NA2O	3.65	WT%	ICP
K2O	1.12	WT%	ICP
P2O5	0.44	WT%	ICP
LOI	0.42	WT%	ICP
TOTAL	99.94	WT%	ICP
BA	387	PPM	INAA
CO	42	PPM	INAA
CR	75	PPM	INAA
NB	32	PPM	XRF
SC	22	PPM	INAA
TA	2.3	PPM	INAA
TH	2.4	PPM	INAA
LA	25	PPM	INAA
CE	52.9	PPM	INAA
ND	25.3	PPM	INAA
SM	6.03	PPM	INAA
EU	1.82	PPM	INAA
GD	0.69	PPM	INAA
YB	2.03	PPM	INAA
LU	0.3	PPM	INAA
HF	5.38	PPM	INAA
RB	20.7	PPM	MS-ID
SR	552	PPM	MS-ID
PB	2.26	PPM	MS-ID