Mining / Exploration

De Beers Awards Contract For Development Of Venetia Underground Mine

South Africa’s Murray & Roberts Cementation has won a $245 million (2.6 billion rand) contract to develop an underground mine beneath De Beers’ open pit Venetia mine in Limpopo, IDEX Online reported.

The contract involves the development of the entire underground mine and will include the sinking, equipping and commissioning of a decline shaft and two vertical shafts, Murray & Roberts said.

Petra Diamonds Uncovers 122.52-Carat Blue Diamond At Cullinan Mine

Petra Diamonds Ltd reported the discovery of a 122.52-carat blue diamond at its Cullinan mine in South Africa.

"The stone will require further analysis in order to assess its potential value and upon completion of this process, Petra will be in a position to evaluate its optimal route to market.

"The diamond will therefore not be sold before the end of the company's current financial year (30 June 2014).

"The rarity of a blue diamond of this magnitude sets it apart as a truly significant find.

Rio Tinto Diamonds To Give Interactive Mine Tour With New Technology

Rio Tinto Diamonds is using innovative Oculus Rift technology to bring the mine to the marketplace with an interactive virtual journey into its Diavik diamond mine in the remote Northwest Territories of Canada.

The Oculus Rift will debut at the Rio Tinto booth at the JCK Luxury Show in Las Vegas on May 27.

De Beers’ Production Jumps 18% In First Quarter

Anglo American, which has an 85-percent stake in De Beers, said diamond output soared 18 percent on the year in the first quarter of 2014 to 7.532 million carats. Anglo American said the rise was “largely due to the impact of planned plant maintenance at Orapa in Q1 2013 and recovery from the 2012 sidewall failure at Jwaneng”. Both mines are in Botswana. “Southern African operations were again hampered by heavy rainfall, resulting in lower production than in Q4 2013. However, improved preparedness in Q1 2014 meant the impact was lower than in Q1 2013.

Vicenza seminar looks at challenges of conflict minerals legislation in America and Europe

A panel of experts has discussed what may be a gathering storm for the gold jewelry industry, brought upon by legislative processes targeting minerals from conflict areas in the Great Lakes region of Africa. They took part in a seminar at the VICENZAORO Winter trade fair in late January, entitled “Conflict mineral legislation in the Europe and the United States: How it impacts upon both the domestic and export jewelry business.” It was hosted by Fiera di Vicenza; CIBJO, the World Jewelry, Confederation; the Responsible Jewelry Council; and Confindustria Federorafi.

De Beers’ Owners Won't Sell Stake in Coming Two Years

Mining mammoth Anglo American, which holds 85 percent of De Beers' shares, does not aim to sell or spin-off the diamond miner in the coming two years at least, said CEO Mark Cutifani. "On a one-to-two year view, it is not part of the plan," to remove diamonds or its platinum businesses, he told analysts at an Anglo American investor day. "If [upon] getting them to their potential, the market is not giving us credit" for those businesses, then we can think about other strategic alternatives, he said.

Gemfields posts record results from emerald auctions

A leading player in the field of precious gemstones that has been quietly creating a large stake for itself in the industry is a London-traded firm called Gemfields plc. It is, today, the world’s largest producer of colored gemstones, particularly in emeralds and rubies.

Mid-size manufacturers claiming growing role in global production

As the global diamond producing club has become increasing fractured, an interesting phenomenon has emerged of a large number of small and medium-size diamond producers with the investment capacity to develop new mines. In an industry once dominated by De Beers which, until around 15-20 years ago, accounted for 80 percent of global supply, the change is all the more interesting.

Zimbabwe Ministers Want to Know Why Diamond Revenues Are Low

Zimbabwean government officials plan to demand answers from diamond miners operating in the Marange diamond deposits in the east of the country to find out why revenues sent to Harare are so low.
 
Deputy Minister of Mines and Mining Development Fred Moyo claims diamond output targets are not being met. As a result, officials want information from the miners concerning revenues and profits, The Zimbabwe Mail reported.
 

Catoca of Angola to Start Operating in Zimbabwe Next Year

The Angolan diamond mining firm Sociedade Mineira de Catoca will start operations in Zimbabwe in 2014 near the border with Mozambique, said the firm’s general manager, José Ganga Júnior.
 
The areas to be explored are the Marange region and the Limpopo River Basin.
 
The countries signed a cooperation agreement earlier this year on mining activity relating to research, prospecting, exploitation and technical and technological support.
 

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