Sample 9-12-91-1B

NavDat sample number 92311

Sample

Age (Ma)	Error	Min	Max	Geologic age	Dated by
52		46	58

Item	Value	Unit	Method
SIO2	69.7	WT%	XRF
TIO2	0.13	WT%	XRF
AL2O3	16.2	WT%	XRF
FE2O3	1.48	WT%	XRF
FEOT	1.64	WT%	XRF
FEO	0.02	WT%	XRF
MNO	0.14	WT%	XRF
MGO	0.05	WT%	XRF
CAO	0.42	WT%	XRF
NA2O	6.36	WT%	XRF
K2O	5.04	WT%	XRF
P2O5	-0.05	WT%	XRF
CO2	0.01	WT%	XRF
LOI	0.06	WT%	XRF
NB	43	PPM	XRF
RB	235	PPM	XRF
SR	66	PPM	XRF
ZR	350	PPM	XRF
Y	31	PPM	XRF
BA	83	PPM	XRF
CE	98	PPM	XRF
LA	62	PPM	XRF
ZN	82	PPM	XRF
H2O_PLUS	0.15	WT%	UNKNOWN
H2O_MINUS	0.05	WT%	UNKNOWN
CO2	0.01	WT%	UNKNOWN
TH	49.9	PPM	ICPMS
U	5.41	PPM	ICPMS
LA	56	PPM	ICPMS
CE	88	PPM	ICPMS
PR	7.6	PPM	ICPMS
ND	22	PPM	ICPMS
SM	3.3	PPM	ICPMS
EU	0.73	PPM	ICPMS
GD	2.5	PPM	ICPMS
TB	0.35	PPM	ICPMS
DY	2.2	PPM	ICPMS
HO	0.45	PPM	ICPMS
ER	2	PPM	ICPMS
TM	0.35	PPM	ICPMS
YB	2.7	PPM	ICPMS