400 Nuclear Forensic Analysis
by capitalizing on data collected over ~50years of geochemical investigations of
r
ocks
a
nd
m
inerals.
V
ariations
i
n
s
table-isotope
a
bundances
r
eect
w
orldwide
s
ys-
tematic
c
haracteristics
d
riven
b
y
a
ge
d
ifferences
b
etween
o
re
b
odies,
a
s
w
ell
a
s
b
y
i
sotope
f
ractionation
e
ffects
t
ypical
o
f
t
ransfer
r
eactions
b
etween
l
iquid
a
nd
g
aseous
r
eservoirs
(
e.g.,
o
ceans
a
nd
t
he
at
mosphere
[
8,9]).
D
ata
o
btained
i
n
s
tage
3
a
lso
a
llow
the application of several different age-dating schemes and the reconstruction of the
n
eutron-exposure
h
istory.
A
t
t
he
c
onclusion
o
f
s
tage
3
,
s
ufcient
i
nformation
s
hould
h
ave been collected to perform a credible assessment of source attribution.
The
f
orensic
i
nvestigation
o
f
t
he
H
EU
s
ample
s
eized ...