Cecilia Jamasmie , Editor-in-Chief

Rio Tinto weighs stake in closed Papua New Guinea copper mine

The miner is reviewing all options on its 53.83% stake in Bougainville Copper, the operator of its Paguna mine, which has a potential gold and copper resource worth over $60 billion.

Cecilia Jamasmie | August 18, 2014 | 11:30 am

New rare earth mine coming to Western Australia

The proposed mine straddles the West Australian and Northern Territory border on the Browns Range Dome and is expected to produce 279,000 kg of dysprosium a year over its 10-year mine life.

Cecilia Jamasmie | August 18, 2014 | 8:00 am

Chinese rare earth alliance sues Hitachi Metals over patents

Hitachi holds over 600 neodymium iron boron magnet patents, but has authorized only eight Chinese companies to use them in a total of 149 patents.

Cecilia Jamasmie | August 15, 2014 | 5:08 pm

This pink diamond may become one of the most valuable gems ever sold

The diamond is expected to fetch between $12.8 million and $15.4 million at auction on October 7.

Cecilia Jamasmie | August 15, 2014 | 3:48 pm

Queensland approves rail line to coal port by Great Barrier Reef

Adani now only needs to get the federal government green light on the same railway to have all required permits in place.

Cecilia Jamasmie | August 15, 2014 | 2:24 pm

Critics demand stronger action to tackle increased oil sands pollution

Levels of sulphur dioxide and nitrous dioxide — two chemicals that contribute to acid rain and smog — hit three on a scale where four is the maximum.

Cecilia Jamasmie | August 15, 2014 | 10:44 am

No end in sight for Centamin legal fight over gold mine in Egypt

An appeal case on the company’s right to mine in Egypt is seen taking until next year to resolve.

Cecilia Jamasmie | August 14, 2014 | 6:18 pm

New York court to rule on most London gold fix lawsuits

The 18 cases will be sent to U.S. District Judge Valerie Caproni in Manhattan, who has already been overseeing a putative class-action against the five banks that make up the fix.

Cecilia Jamasmie | August 14, 2014 | 4:25 pm

Former Chilean president slams Codelco’s governance, calls for greater autonomy

He sees it as a key part of the firm's ambitious investment strategy, which in the next stage will plow $25 billion to overhaul older mines.

Cecilia Jamasmie | August 14, 2014 | 2:52 pm

Guinea on national emergency over Ebola, mining operations threatened

Tighter border controls are set to disrupt the flow of essential supplies and even workers trying to get to work at the African country's mining operations, companies say.

Cecilia Jamasmie | August 14, 2014 | 11:00 am

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