The Indus Civilisation flourished in part of the Indian Subcontinent during the Bronze Age. It was a complex urban civilisation, with a writing system, still undeciphered. It is also famous for its sophisticated handicrafts, painted pottery, stoneware, steatite and semiprecious beads, faience and metalwork, which were traded to long distances across the Persian Gulf and the Arabian Sea. Nevertheless chipped stone technology and flint artefacts production still represented important aspects of the economic system, especially in connection with specialised craft productions, which led to an intensive exploitation of the flint raw material sources of the Rohri Hills, in Upper Sindh. Here thousands of flint mines were exploited for a mass produ...