Sample 317

NavDat sample number 8628 · RHYOLITE

Sample

Latitude	20.6306
Longitude	-103.526
Location	Lower part of M. El Nejahuete
State / province	Jalisco
Location comment	Central domes and giant pumice horizons

Age (Ma)	Error	Min	Max	Geologic age	Dated by
0.1		0.085	0.105

Item	Value	Unit	Method
SIO2	76	WT%	WET
SIO2	66.7	WT%	EPMA
SIO2	47.3	WT%	EPMA
SIO2	29.5	WT%	EPMA
SIO2	0.02	WT%	EPMA
TIO2	0.13	WT%	WET
TIO2	0.28	WT%	EPMA
TIO2	0.02	WT%	EPMA
TIO2	49.6	WT%	EPMA
AL2O3	11.57	WT%	WET
AL2O3	19.4	WT%	EPMA
AL2O3	0.29	WT%	EPMA
AL2O3	0.02	WT%	EPMA
AL2O3	0.04	WT%	EPMA
FE2O3	0.74	WT%	WET
FE2O3	0.22	WT%	EPMA
FE2O3	5.35	WT%	EPMA
FEO	1.08	WT%	WET
FEO	31	WT%	EPMA
FEO	64.8	WT%	EPMA
FEO	47.9	WT%	EPMA
MNO	0.05	WT%	WET
MNO	1.36	WT%	EPMA
MNO	3.45	WT%	EPMA
MNO	1.27	WT%	EPMA
MGO	0.05	WT%	WET
MGO	0.28	WT%	EPMA
MGO	0.19	WT%	EPMA
MGO	0.04	WT%	EPMA
CAO	0.27	WT%	WET
CAO	0.13	WT%	EPMA
CAO	18.5	WT%	EPMA
CAO	0.27	WT%	EPMA
CAO	0.02	WT%	EPMA
NA2O	4.38	WT%	FPHOT
NA2O	6.67	WT%	EPMA
NA2O	0.56	WT%	EPMA
K2O	4.62	WT%	FPHOT
K2O	7.29	WT%	EPMA
H2O_PLUS	0.43	WT%	PENFIELD
ZNO	0.13	WT%	EPMA
ZNO	0.09	WT%	EPMA
F	0.09	WT%	SIE
CL	0.1	WT%	SIE
TOTAL	99.45	WT%	WET
TOTAL	100.4	WT%	EPMA
TOTAL	99.5	WT%	EPMA
TOTAL	98.4	WT%	EPMA
TOTAL	99	WT%	EPMA
SC	0.98	PPM	INAA
ZN	105	PPM	XRF
RB	170	PPM	XRF
Y	170	PPM	XRF
ZR	521	PPM	XRF
NB	70	PPM	XRF
SB	0.4	PPM	INAA
CS	3.6	PPM	INAA
LA	66	PPM	INAA
CE	134	PPM	INAA
ND	54	PPM	INAA
SM	10.8	PPM	INAA
EU	0.06	PPM	INAA
GD	9.3	PPM	INAA
TB	1.62	PPM	INAA
TM	0.83	PPM	INAA
YB	5.9	PPM	INAA
LU	0.85	PPM	INAA
HF	13.2	PPM	INAA
TA	3.84	PPM	INAA
PB	24	PPM	XRF
TH	18.9	PPM	INAA
U	6.9	PPM	INAA
RB87_SR86	737.1		TIMS
SR87_SR86	0.70938		TIMS
ND143_ND144	0.512909		TIMS
E_ND	5.3		TIMS