The company's shares have almost tripled this year, making it the best-performing global miner amid the rebound in commodity prices and a projected fivefold improvement in earnings.
Top global producer sees surplus this year and next as mines pump out more metal and predicts decline in copper price from today's levels through 2017.
The niobium and phosphates division, which consists of mines, plants, processing facilities, chemical complexes and deposits, was one of Anglo’s more profitable businesses.