article_snippet.sent: Here, simple Oldowan tools have previously been found, linked to the earliest known hominins 1.4 million years ago, reported Popular Archaeology.
article_snippet.sent: Here, simple Oldowan tools have previously been found, linked to the earliest known hominins 1.4 million years ago .
article_snippet.sent: The Acheulean tool technology period - between 700,000 an 300,000 years ago - followed the more primitive Oldowan period.
article_snippet.sent: Tools at the time included large stone hand axes (stock image shown) made from flint and quartzite, used to scavenge from carcasses .