The Unknown Oldowan: ~1.7-Million-Year-Old Standardized Obsidian Small Tools from Garba IV, Melka Kunture, Ethiopia

A groundbreaking discovery at the UNESCO World Heritage Site of Melka Kunture, Ethiopia, challenges long-held assumptions about early human toolmaking. Researchers uncovered ~1.7-million-year-old Oldowan tools that exhibit a previously unknown level of standardization and functional specialization, particularly in obsidian small tools. This finding contradicts the notion that the Oldowan Industrial Complex was static, instead demonstrating its variability and adaptability during a critical period when Acheulean technology was emerging elsewhere in East Africa. The study highlights how functional needs and raw material suitability can drive technical innovation even within seemingly simple toolmaking traditions.

Gallotti, R., & Mussi, M. (2015). The Unknown Oldowan: ~1.7-Million-Year-Old Standardized Obsidian Small Tools from Garba IV, Melka Kunture, Ethiopia. Plos One, 10(12), e0145101. https://doi.org/10.1371/journal.pone.0145101