107
'
»
P~
|
i
-_=1
Cig
= 40e
2.
- 0.33 km
|
Q¢c3*
10'
=
‘O
5
4
oO.
= 10°
-
oO
=
107)
_
Z
_
107°
!
10
L.
20
!
20
L0
km
Fic. 3. The *?-*°Py concentration in the sediment surface (0cm depth) related to the distance (in km) from the point of impact.
Taken from reference 3