Sample 87/11-4

NavDat sample number 41077 · RHYOLITE

Sample

Age (Ma)	Error	Min	Max	Geologic age	Dated by
30		27	33

Item	Value	Unit	Method
SIO2	71.8	WT%	XRF
TIO2	0.37	WT%	XRF
AL2O3	15	WT%	XRF
FEO	2.1	WT%	XRF
MNO	0.04	WT%	XRF
MGO	0.62	WT%	XRF
CAO	1.92	WT%	XRF
NA2O	3.5	WT%	XRF
K2O	3.9	WT%	XRF
P2O5	0.06	WT%	XRF
RB	119	PPM	XRF
SR	234	PPM	XRF
Y	23	PPM	XRF
ZR	164	PPM	XRF
NB	20	PPM	XRF
CO	10	PPM	XRF
LA	38.2	PPM	INAA
CE	70.4	PPM	INAA
ND	20.8	PPM	INAA
SM	3.4	PPM	INAA
EU	1.01	PPM	INAA
TB	0.77	PPM	INAA
DY	2.09	PPM	INAA
YB	2.55	PPM	INAA
LU	0.39	PPM	INAA
SC	4	PPM	INAA
CS	4.19	PPM	INAA
HF	5.5	PPM	INAA
BA	1340	PPM	INAA
TH	12.4	PPM	INAA
U	2.78	PPM	INAA
PB	7.1	PPM	MS
SR87_SR86	0.706251		MS
SR87_SR86	0.70571		MS
ND143_ND144	0.512491		MS
ND143_ND144_INITIAL	0.512472		MS
PB206_PB204	18.89		MS
PB207_PB204	15.624		MS
PB208_PB204	38.692		MS