Age models, organic analyses and major-element analyses of sediment cores on a transect of the tropical African rainbelt

175-1078c; 293; 311; 320; angola basin; benguela current, south atlantic ocean; center for marine environmental sciences; congo fan; drill; drilling/drill rig; geob1023-5; geob4905-4; geob6518-1; geob7920-2; geob9508-5; geob9526-5; geob9535-4; gravity corer (kiel type); joides resolution; leg175; m41/1; m47/3; m53/1; m6/6; m65/1; marum; meteor (1986); ocean drilling program; odp; off cameroon; sl