Stone Age The Stone Age is a broad prehistoric time period during which humans widely used stone for toolmaking. Stone tools were made from a variety of different kinds of stone. For example, flint and chert were shaped (or chipped) for use as cutting tools and weapons, while basalt and sandstone were used for ground stone tools, such as quern-stones. Wood, bone, shell, antler and other materials were widely used, as well. During the most recent part of the period, sediments (like clay) were used to make pottery . A series of metal technology innovations characterize the later Chalcolithic (Copper Age), Bronze Age and Iron Age. The period encompasses the first widespread use of tools in human evolution and the spread of humanity from East Africa to the rest of the world. It ends with the development of agriculture , the domestication of certain animals, and the smelting of copper ore to produce metal. It is termed prehistoric since humanity had not yet started writi...
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