Stone Age is a period when humans are the dominant tools made of stone even though there are tools supporting human life is made of wood or bamboo . But the tools are made of wood or bone does not leave a mark at all . This is because these materials are not durable . In this age of the tools produced are still very rough ( simple ) just because subsistence only. Old stone age is expected to last approximately 600,000 years ago , during the Pleistocene ( diluvium ) . At the time of this paleolithikum , the tools they produce is still very rough .
Paleolithic or old stone age is called so because the tools manmade stone still roughly trimmed , honed or polished no . When viewed from the corner of his living this period is called period of hunting and gathering food simple level . Human support today is Pithecantropus Erectus , Homo Wajakensis , Meganthropus paleojavanicus and Homo Soloensis . These fossils are found along the river Bengawan Solo . They have a culture and Ngandong Pacitan .
Culture Pacitan in 1935 , Von Koenigswald finding stone tools and axes handheld Pacitan area . How it works gripped by hand . The ax in the kingdom is still very rough manner . Experts call tool at the time by the name Paleolithikum chopper . This tool is found in the layer Sandpipers . Besides in Pacitan , the tools of this era found in the area Paleplithikum Progo and Gombong ( Central Java ) , Sukabumi ( West Java ) , and Lahat ( South Sumatra ) .
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