Sample cks93-518a

NavDat sample number 35793 · PYROCLASTIC-FALL

Sample

Age (Ma)	Error	Min	Max	Geologic age	Dated by
11.25		8.6	13.9

Item	Value	Unit	Method
SIO2	73.3	WT%	EPMA
TIO2	0.2	WT%	EPMA
AL2O3	11.4	WT%	EPMA
FE2O3T	2.08	WT%	EPMA
MNO	0.029	WT%	EPMA
MGO	0.029	WT%	EPMA
CAO	0.65	WT%	EPMA
BAO	0.07	WT%	EPMA
NA2O	1.9	WT%	EPMA
K2O	7.2	WT%	EPMA
CL	0.04	WT%	EPMA
F	0.2	WT%	EPMA
H2O	3.8	WT%	EPMA
TOTAL	100.8	WT%	EPMA
BA	560	PPM	XRF
MN	185	PPM	XRF
NB	40	PPM	XRF
RB	186	PPM	XRF
SR	22	PPM	XRF
TI	1210	PPM	XRF
Y	75	PPM	XRF
ZN	60	PPM	XRF
ZR	360	PPM	XRF
LA	90	PPM	XRF
ND	55	PPM	XRF
TH	29	PPM	XRF
CE	170	PPM	XRF