Sample 234

NavDat sample number 8620 · PYROCLASTIC FALL

Sample

Latitude	20.6972
Longitude	-103.452
Location	Tributary to A. Arena Chica
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	73.76	WT%	WET
SIO2	67.1	WT%	EPMA
SIO2	47.8	WT%	EPMA
SIO2	0	WT%	EPMA
TIO2	0.16	WT%	WET
TIO2	0.31	WT%	EPMA
AL2O3	11.33	WT%	WET
AL2O3	19.6	WT%	EPMA
AL2O3	0.24	WT%	EPMA
AL2O3	0.02	WT%	EPMA
FE2O3	0.79	WT%	WET
FEO	1.01	WT%	WET
FEO	30.2	WT%	EPMA
FEO	47.1	WT%	EPMA
MNO	0.05	WT%	WET
MNO	1.56	WT%	EPMA
MNO	1.38	WT%	EPMA
MGO	0.05	WT%	WET
MGO	0.75	WT%	EPMA
MGO	0.06	WT%	EPMA
CAO	0.22	WT%	WET
CAO	0.11	WT%	EPMA
CAO	18.4	WT%	EPMA
CAO	0.02	WT%	EPMA
NA2O	3.77	WT%	FPHOT
NA2O	6.81	WT%	EPMA
NA2O	0.48	WT%	EPMA
K2O	4.74	WT%	FPHOT
K2O	7.1	WT%	EPMA
H2O_PLUS	4.13	WT%	PENFIELD
ZNO	0.06	WT%	EPMA
F	0.08	WT%	SIE
CL	0.09	WT%	SIE
TOTAL	100.13	WT%	WET
TOTAL	100.9	WT%	EPMA
TOTAL	99.9	WT%	EPMA
TOTAL	99.1	WT%	EPMA
S	100.01		UNKNOWN
SUMA_100	-0.01	WT%	UNKNOWN
SC	0.83	PPM	INAA
CO	0.4	PPM	INAA
ZN	108	PPM	XRF
RB	145	PPM	XRF
Y	50	PPM	XRF
ZR	645	PPM	XRF
NB	64	PPM	XRF
SB	0.4	PPM	INAA
CS	3.5	PPM	INAA
LA	80	PPM	INAA
CE	164	PPM	INAA
ND	60	PPM	INAA
SM	11.4	PPM	INAA
EU	0.11	PPM	INAA
GD	8.7	PPM	INAA
TB	1.49	PPM	INAA
TM	0.77	PPM	INAA
YB	5.6	PPM	INAA
LU	0.82	PPM	INAA
HF	14.5	PPM	INAA
TA	3.6	PPM	INAA
PB	16	PPM	XRF
TH	17.3	PPM	INAA
U	5.1	PPM	INAA