Rand Refinery Rand Refinery Rand Refinery (Pty) Limited is the largest integrated single-site precious metals refining and smelting complex in the world. It was established in 1920 to refine gold within South Africa which until that time had been refined in London. Since its inception it has refined nearly 50,000 tonnes of gold. This represents some 30% of all the gold mined in the world since antiquity. It was established in 1920 in Germiston, South Africa, by the Chamber of Mines of South Africa to refine all the gold produced by South Africa's gold mines instead of in London. As of 1919,
Currency governments intervene in the market to buy or sell their currency to balance supply and demand at a static exchange rate. In cases where a country has control of its own currency, that control is exercised either by a central bank or by a Ministry of Finance. The institution that has control of monetary policy is referred to as the monetary authority. Monetary authorities have varying degrees of autonomy from the governments that create them. A monetary authority is created and supported by its sponsoring government, so independence can be reduced by the legislative or executive authority that creates it.