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
Sundown Tin and Copper Mine the slag was cast into sand moulds, typical of reverberatory furnace practice. East of the furnace are a number of sleepers, lengths of wire cable, and the base of the structure which could be the flying fox used to bring tin and copper ore to the mill site. However, this area of the site has been extensively disturbed by more recent bulldozing and earth moving activities. The two dams are located below the Old Works site, and are earthen dams, riveted with timber on the downstream side, and both are broken. A large amount of tailings sand lines the creek