27
-10
0
20
40
60
8C
T
r
,
0 20 40 60 80 I 0 0 - 1 2
-8
-4
a. Lauff~
mm 9
.." ..
9
Ot i,
9
8
0
b. Kochendorf
.-, -I0'
o
20
I
0
9
,- 40
9
~ 60 9
~ sQ
0 20 40 60 80 100 -12
-8
-4
80
,
" .
0 20 40 60 SO 100-12
-8
M n 2+ (laM)
-10
0'
20
40
60
-lO
0
0
4
0
c. Wieblingen
t.
20
i
c
4o i
*
00
T
*
80
, * ,
,
,
~,
4
0
300
600
900
300
600
900
-4
0
4
0
300
600
900
Saturation Index (SI)
Mn (mg/kg)
9 alabandite o rhodochrosite
Fig. 4.6. Dissolved Mn 2+, SI of Mn minerals, and Mn in the sediments of the Neckar River