Obsidian handaxe-making workshop from 1.2 million years ago discovered in Ethiopia
The extensive accumulations of obsidian artefacts in level C. a,b, General view of the level and detail of artefact density along the MS cliff (a) and inset (b). c,d, General view (c) and detail (d) of the artefact concentration (mainly handaxes) in the test pit of 2004. Credit: Nature Ecology & Evolution (2023). DOI: 10.1038/s41559-022-01970-1
A team of researchers affiliated with several institutions in Spain, working…