Figure F28. Overall patterns of carbon sedimentation at the Walvis group sites. A. Carbonate. B. Total organic carbon (TOC). Shipboard data (Wefer, Berger, Richter, et al., 1998); ages as in "Age Assignments and Sedimentation Rates." 16 = Stage 16, P/P = Pliocene/Pleistocene boundary, G/M = Gauss/Matuyama reversal, M/P = Miocene/Pliocene boundary.