Main differences between Oldowan and Acheulean tools

Oldowan and Acheulean tools represent two different periods in early human history, each with its own unique characteristics. Here are the main differences between them:

1. Age and Period: Oldowan tools are older, dating back to about 2.6 million years ago. They are associated with the earliest human ancestors, such as Homo habilis. Acheulean tools, on the other hand, appeared later, around 1.7 million years ago, and are associated with Homo erectus.

2. Complexity and Craftsmanship: Oldowan tools are relatively simple and crudely made, often just a rock that has been chipped to create a sharp edge. Acheulean tools, however, show a greater level of skill and craftsmanship. They are typically bifacial (worked on both sides) and include hand axes, which are symmetric and have a more specific shape.

3. Functionality: Oldowan tools were primarily used for breaking open bones to access marrow, cutting, and scraping. Acheulean tools, with their more refined design, could be used for a wider range of tasks, including butchering large animals and woodworking.

4. Distribution: Oldowan tools have been found across Africa, while Acheulean tools have a wider distribution, found in Africa, Europe, and parts of Asia.

5. Tool Making Technique: Oldowan tools were made using a technique called hard hammer percussion, which involves striking a stone with another stone to remove flakes. Acheulean tools, on the other hand, were made using a more advanced technique called soft hammer percussion, where a softer material like bone or wood is used to shape the stone, allowing for more control over the final product.

In summary, Acheulean tools represent a significant advancement in technology and craftsmanship over Oldowan tools.