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According to a statement released by Washington State University, new radiocarbon dating of some of the 10,000 stone monoliths at southern Ethiopia’s Sakaro Sodo archaeological site indicates the oldest of the 20-foot phallus-shaped stela monuments were built in the first century A.D., or about 1,000 years earlier than previously thought.
Archaeologist Ashenafi Zena of the State Historical Society of North Dakota said the stones in the Gedeo zone vary in size, function, and arrangement in the landscape, and some were carved with faces or other designs. For example, monuments placed in a linear pattern may have commemorated the transfer of power or recorded achievements, while some of the more recent stones are thought to have been used as burial markers.
The new dates suggest that the oldest monuments were erected at about the same time that animal domestication and more complex social and economic systems were introduced to the region, he added.
Zena and his colleagues also found a possible quarry site for the stone, and sources of obsidian in northern Kenya for other artifacts recovered at stela sites. For more on the archaeology of Ethiopia.
While many of the monoliths have fallen and/or are undecorated, a few have intricately wrought faces and other anthropomorphic designs carved into the stone that can be seen today.
Despite the impressive nature of the archeological site, little is known about why or how the monoliths were built.
Existing archaeological, ethnographic, and living megalithic stele traditions in the region suggest that the oldest stele sites in Ethiopia at Sakaro Sodo and other nearby locations were likely created for two purposes: to commemorate the transfer of power from one generation to the next or to record and commemorate group achievement.
