In archaeology, a lithic flake is a "portion of rock removed from an objective piece by percussion or pressure,": 255 and may also be referred to as simply a flake, or collectively as debitage.The objective piece, or the rock being reduced by the removal of flakes, is known as a core.: 254, 258 Once the proper tool stone has been selected, a percussor or pressure flaker (e.g., an antler …

In archaeology, lithic technology includes a broad array of techniques used to produce usable tools from various types of stone. The earliest stone tools were recovered from modern Ethiopia and were dated to between two-million and three-million years old. The archaeological record of lithic technology is divided into three major time periods: the Paleolithic (Old Stone Age), …