Sample cks83-518

NavDat sample number 35795 · PYROCLASTIC-FALL

Sample

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

Item	Value	Unit	Method
SIO2	71.8	WT%	EPMA
TIO2	0.19	WT%	EPMA
AL2O3	11.2	WT%	EPMA
FE2O3T	2.09	WT%	EPMA
MNO	0.036	WT%	EPMA
MGO	0.028	WT%	EPMA
CAO	0.64	WT%	EPMA
BAO	0.07	WT%	EPMA
NA2O	1.9	WT%	EPMA
K2O	6.8	WT%	EPMA
CL	0.038	WT%	EPMA
F	0.26	WT%	EPMA
H2O	5.9	WT%	EPMA
TOTAL	100.8	WT%	EPMA
BA	640	PPM	XRF
MN	180	PPM	XRF
NB	39	PPM	XRF
RB	184	PPM	XRF
SR	24	PPM	XRF
TI	1100	PPM	XRF
Y	74	PPM	XRF
ZN	59	PPM	XRF
ZR	340	PPM	XRF
LA	90	PPM	XRF
ND	60	PPM	XRF
TH	23	PPM	XRF
CE	155	PPM	XRF