Figure F6. Rock-Eval Van Krevelen-type diagrams for organic matter in Miocene, Pliocene, and Pleistocene sediments from Sites 1085, 1084, and 1082 in Cape and Walvis Basins and Sites 532 and 1081 on Walvis Ridge. Thermal alteration pathways of organic matter Types I, II, and III from source material to graphite are indicated by dashed lines.