Prehistoric technology Ground and polished stone tools continued to be created and used during the Neolithic period. Numeric record keeping evolved from a system of counting using small clay tokens that began in Sumer about 8000 BC. The Stone Age developed into the Bronze Age after the Neolithic Revolution. The Neolithic Revolution involved radical changes in agricultural technology which included development of agriculture, animal domestication, and the adoption of permanent settlements. The Bronze Age is characterised by metal smelting of copper and its alloy bronze, an alloy of tin and copper, to create implements and weapons. Polished stone tools continued to be
Neolithic ashmounds millets "Brachiaria ramosa" and "Setaria verticillata" which are not common in modern cultivation were found in several sites while the commonest legumes were "Vigna radiata" and "Macrotyloma uniflorum". The animal remains are mainly of cattle, buffalo and pig (whether wild or domesticated, is not easy to determine). Neolithic ashmounds Neolithic ashmounds (sometimes termed as cinder mounds) are man-made landscape features found in some parts of southern India (chiefly around Bellary) that have been dated to the Neolithic period (3000 to 1200 BC). They have been a puzzle for long and have been the subject of many conjectures and scientific studies.