The Oldowan was a widespread stone tool archaeological industry during the early Lower Paleolithic spanning the late Pliocene and the first half of the Early Pleistocene. These early tools were simple
Carved pebble of Oldowan tradition from the Atlantic Sahara region Guelmim-Es Semara (National Archaeological Museum of Madrid)
Oldowan-tradition stone chopper.
Oldowan choppers dating to 1.7 million years BP, from Melka Kunture, Ethiopia
Chopper from Olduvai Gorge, some 1.8 million years old
Acheulean, from the French acheuléen after the type site of Saint-Acheul, is an archaeological industry of stone tool manufacture characterized by the distinctive oval and pear-shaped "hand axes" asso
Oldowan
…million years ago (Ma), by ancient hominins (early humans) across much of Africa. This technological industry was followed by the more sophisticated Acheulean industry (two sites associated with Homo erectus at Gona in the Afar Region of Ethiopia dating from 1.5 and 1.26 million years ago have both Oldowan…
A cordiform biface as commonly found in the Acheulean (replica)
Acheulean hand-axes from Kent. The types shown are (clockwise from top) cordate, ficron, and ovate.[citation needed]
An Acheulean handaxe, Haute-Garonne France – MHNT
Soft hammer found at the Acheulean Boxgrove site, England made of the outer cortex of an elephant limb bone, with scanning electron microscope image showing flint chips embedded in the bone (bottom) as a result of its use