• Our Operations
  • Our Operations

where and how we do business

Our businesses have a significant presence in each of the commodities they produce. We are the world’s largest producer of manganese ore, a top producer of silver and manganese alloy, and one of the world’s largest ferronickel producers.

Bauxite and Alumina/Aluminium

Our aluminium business has a portfolio of operations in three stages of the primary aluminium value chain mining bauxite, refining bauxite into alumina and smelting alumina into aluminium metal. We are one of the world's largest integrated producers with operations in South America, Southern Africa and Australia.


Our nickel business is one of the world's largest nickel miners producing high-purity, low-carbon ferronickel granules. We have an open-cut lateritic mine and ferronickel smelter located in northern Colombia.


We have operations in Australia and South Africa and are a world leader in the seaborne supply of manganese ore, and a global producer of manganese alloy.

Silver, Lead and Zinc

Our silver, lead and zinc underground mine in Australia is the world’s largest silver producing mine with concentrate transported by rail to port for export to customers in northeast Asia, Europe and Canada.


We have energy coal mines in South Africa and metallurgical coal mines in Australia. Our coal business produces energy coal primarily for use in the electric power generation industry, and high quality hard coking coal for use in the international and domestic steel industry.