398
Walter et al.
120'
,.I
-150'
-120'
0<0.04 00.041-0.07 <> 0.071-0.093 .0.094-0.13 .0.131-0.16 • >0.16 + 0.06-0.20 hydroth. seav
-75'
20° ------20'
Fig_ 4_ Distribution of" 23'Pa! '" 23°Th ratios in Holocene Pacific sediments with isolines of estimated primary productivity in gem- 2 a-' (after Berger et al. 1987) throughout the entire basin (upper) and of the equatorial region
(lower)_
Walter et al.
120'
,.I
-150'
-120'
0<0.04 00.041-0.07 <> 0.071-0.093 .0.094-0.13 .0.131-0.16 • >0.16 + 0.06-0.20 hydroth. seav
-75'
20° ------20'
Fig_ 4_ Distribution of" 23'Pa! '" 23°Th ratios in Holocene Pacific sediments with isolines of estimated primary productivity in gem- 2 a-' (after Berger et al. 1987) throughout the entire basin (upper) and of the equatorial region
(lower)_