FIG. 6 in How depositional environments impact the preservation of micro-wear of quartz artifacts: insights from the Oldowan of the Shungura Formation (Ethiopia)
Galland, Aline; Clemente-Conte, Ignacio; Boisserie, Jean-Renaud; Delagnes, Anne;
FIG. 6 in How depositional environments impact the preservation of micro-wear of quartz artifacts: insights from the Oldowan of the Shungura Formation (Ethiopia)
FIG. 6. — Classes of alteration on three different quartz artifacts: A, macroscopic surface alterations; B, microscopic surface alterations. Description of the alteration levels at macroscopic and microscopic scales. Scale bars: A, 1 mm; B, 100 µm. Credits: Modified from Delagnes et al. 2023.