Lithic technology

Lithic technology is a fascinating subject in archaeology that studies how people made tools from stone. Archaeologists use this term to describe many different ways humans shaped stone to create useful items. The oldest known stone tools were discovered at a place called Lomekwi 3 in Kenya, and they are about 3.3 million years old!

The study of stone tools is usually split into three big time periods: the Paleolithic (Old Stone Age), the Mesolithic (Middle Stone Age), and the Neolithic (New Stone Age). Not every culture or place followed the same path in developing these stone tools, but these periods help us understand when stone tool making was most important in history.

By looking at how some communities today still use stone tools, scientists can learn more about why ancient people made tools in certain ways. For instance, the Gamo people in Southern Ethiopia show how politics, the environment, and social groups can all affect tool making. This helps archaeologists guess how similar factors might have influenced ancient tool designs found in the archaeological record. To learn more, you can read about a Stone tool.

Raw materials

Good materials for making stone tools share certain traits that make them perfect for crafting. A great stone for tools should be non-crystalline or glassy, which helps it break in a predictable way. This lets someone shaping the stone control exactly how the tool turns out.

People choose different materials for many reasons, like how easy it is to find them or how close they are. Sometimes, even materials that aren’t the best quality are used, depending on what’s nearby. Scientists study these choices to learn about how people managed risks long ago. They found that sometimes, using less perfect materials could actually help people get more resources faster, showing that choosing materials isn’t always about picking the best quality.

Manufacture

Stone tools are made using a process called lithic reduction. The method used depends on how detailed the tool needs to be. A simple way is to use a hammerstone, which is a hard rock like sandstone, to hit the stone and break off big pieces. This creates a basic shape called a preform that needs more work.

For more detail, a soft hammer made of wood or bone can be used to carefully remove smaller pieces. The most detailed method is called pressure flaking, where small pieces are pressed off the stone using tools like bone or antler. Sometimes, a punch and a hammer are used together to apply pressure to a specific spot.

Mostly, the main pieces of stone get used up, so smaller pieces called debitage are shaped into tools like arrowheads and handaxes.

The type of stone matters because some stones break in a way that makes sharp, big pieces perfect for tools. Stones with tiny crystals, called cryptocrystalline, and that break in smooth, curved ways are best. Obsidian is a great example because it has these properties, which made it popular for early toolmakers in the Middle East and America.