5.2 4.4 3.6
0 1 2 3
0 10 20
4 8 12 0
4 8 10
0 20 30 40
12x106
8x106
4x106
0
0.01 0.02 0.03
0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
Age (Ma BP)
18
Benthic d O (‰) SST (°C)
C (%)
37:4Coarse sand (%) Ba/Al
T AR Biogenic silica (wt. %) Diatom concentration (valves/g)
15
13 17 19 21 23 2527 29 3133 35 37 39 41 43 45 47 49
UK37
UK37'
IRD C37:4
Ba/Al TAR
diatoms
BSi
0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5
Age (Ma BP)
eolian dust-fertilization iceberg-fertilization