The hidden cost of coal mining

BHP Billiton reported record annual results and beat analyst estimates in the process, after prices of copper, iron ore and coal reached all-time highs because of demand from China. Profit at the world's biggest miner surged 86% for the 12 months $23.6 billion, a full $1.4 billion ahead of expectations, on the back of earnings from iron ore, its biggest division, which jumped 122% to $13.3 billion.

Mountain Province Diamonds said on Wednesday it is breaking off talks with unspecified parties that showed an interest in the company and is instead focusing on advancing its Gahcho Kué project and to arrange its share of the financing which amounts to some $600 million. Shares in the little-traded company jumped almost 8% on the news.

As gold prices near $2,000 an ounce, some bulls say it's time to take money off the table after the safe-haven rally extended too far too fast in recent weeks. Gold investors at several firms said gold prices could correct sharply, citing overvaluation. While that does not mean prominent bulls are now bears, they recommended investors take profit on gold holdings, after the precious metal traded briefly above $1,900 on Tuesday for the first time.

Macarthur Coal Ltd. has nearly doubled its full year profit and repeated its advice to shareholders to reject a takeover offer from U.S energy giant Peabody Energy Corp. and Luxembourg-based steelmaker ArcelorMittal. The company's 241 million Australian dollars ($253 million) profit for the fiscal year through June announced Wednesday was up 93 per cent from AU$125 million in the previous year despite reduced production due to record rainfall.

New York brokerage GFI's announcement on Tuesday that it now offers on-screen iron ore swap trading is the latest indication that the economics of the world's foremost dry bulk commodity are being changed fundamentally. Started in 2008, derivatives trading in iron ore is up fourfold this year after setting a record in July as investment banks enter the massive market in numbers. The world's top three miners – BHP Billiton, Vale and Rio Tinto – control nearly 70% of the 1 billion tonne annual seaborne trade and dominate price talks. The benchmark China import price for iron ore has tripled since late 2008 to $177 a tonne.

Twenty-six miners remained trapped Tuesday in a flooded coal mine in northeast China, Xinhua reported. The illegal coal mine in Boli county of Heilongjiang province belonged to the Hengtai Coal Mining Co. Ltd.

Canadian Natural Resources said on Tuesday its Horizon oil sands operation has resumed production after a seven month gap caused by a fire. The Calgary-based company said expects to reach full capacity of 110,000 barrels per day of syncrude – a light oil manufactured from bitumen – by next week. The Horizon outage led to a shortage of syncrude which helped Alberta’s producers attract a premium of $18 above benchmark US oil. That premium is now shrinking and is set to return to normal levels of a slight discount. Last week the spread between US crude and North Sea Brent reached a record margin of $26 a barrel. Western Canada Select in turn trades at $13 a barrel below US levels which on Tuesday was $84 a barrel.

Standard & Poor's has kept its BBB- long term corporate credit and ruAA+ Russia national scale ratings on Russian mining and metal group MMC Norilsk Nickel on CreditWatch with negative implications.

World crude steel production for the 64 countries reporting to the World Steel Association was 127 million tonnes in July 2011. This is 11.5% YoY higher than July 2010.