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45°
35°
25°
15°
5°
5°
15°E
D D D
D D D
< 2000
m
> 2000
m
>
3000
m
> 4000 m
> 5000m
> 6000
m
Fig. 2. Map of investigated sediment surface samples
in the South Atlantic Ocean. Positions of the oceanographic fronts after Peterson and Stramma (1991).
Bathymetry after Heezen et al. (1978) and Labreque et al. (1983).
0-.
00
z
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if
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