Kwekwe colonial empire builder who was closely connected with the early development of Rhodesia (Zimbabwe's former name). Kwekwe was originally a gold mining camp and is today characterised by the large mines in its vicinity producing gold, and the chrome ore and iron ore used in steelmaking. Four gold deposits within the Kwekwe district have been studied. The Primrose and Globe and Phoenix gold deposits display typical features of Archean orogenic lode gold systems such as fluid inclusions with low salinity, mixed aqueous-carbonic fluids, formation temperatures between 300 and 400 °C, and a common stable isotope composition of fluid and mineral
Economics of English towns and trade in the Middle Ages set of taxes that could be raised by the towns, including murage for walls, pavage for streets or pontage, a temporary tax for the repair of bridges. Combined with the "lex mercatoria", which was a set of codes and customary practices governing trading, provided a reasonable basis for the economic governance of the towns. The 12th century also saw a concerted attempt to curtail the remaining rights of unfree peasant workers and to set out their labour rents more explicitly in the form of the English Common Law. This process resulted in the Magna Carta explicitly authorising feudal landowners to