Figure 2 in Late Pliocene Avifauna from the Hominid Bearing Zinjanthropus Land Surface at Olduvai Gorge, Tanzania

Figure 2. Flaking (a), cracking (b), and corrosion (c) to bird bone interpreted as the result of exposure to subaerial weathering. Scale bars are 5 mm (a), 1 mm (b), and 5 mm (c).