Rio Tinto approves $3.7 bln Australia iron ore expansion
* Rio Tinto okays $3.7 bln to boost iron ore output 25 pct * Says mindful of short-term economic uncertainties * Faith in long-term demand from China for more ore * Also earmarks $501 mln for Simandou iron ore project in Guinea * Bingham Canyon copper ...
Rio Tinto To Invest $4.2 Billion in Iron Ore, But Cautions on Spending
Rio Tinto ramps up iron ore output
Rio Tinto To Commit $4.2 Bln For Iron Ore Expansion