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Diavik hits 100 Mct as Ekati development gathers pace

By: Henry Lazenby     3rd June 2016 Canada’s largest diamond mine has reached the significant milestone of producing 100-million carats of rough diamonds since the mine started in 2003. A 60/40 joint venture between mining major Rio Tinto and Canada’s Dominion Diamond Corp, Rio Tinto Diamonds, Salt & Uranium MD Simon Trott praises... 

HammerTek expands defection elbow product offering

By: Creamer Media Reporter      25th May 2016 The cast aluminium line of Smart Elbow deflection elbows from manufacturer HammerTek is now available in tube and pipe sizes from 3.8 cm up to 30.5 cm in diameter, helping to improve materials handling in dilute-phase and dense-phase pneumatic conveying systems applications. The deflection... 

Diavik hits 100m-carat milestone as Ekati development gathers pace

By: Henry Lazenby     20th May 2016 Canada’s largest diamond mine has reached the significant milestone of producing 100-million carats of rough diamonds since the mine started in 2003. Simon Trott, MD of Rio Tinto Diamonds, Salt & Uranium, a 60/40 joint venture between mining major Rio Tinto and Canada’s Dominion Diamond Corp,... 

Upgrade will produce 3.38 Mt/y of hot metal

20th May 2016 International engineering company Paul Wurth has been contracted to reline a blast furnace at international steel products manufacturer NLMK’s Lipetsk plant, in Russia, to yield nominal production of 3.38-million tons of hot metal a year. 

Letšeng Q1 production up 28% y/y, Ghaghoo downsizing continues

By: Anine Kilian     17th May 2016 In a challenging period for the diamond mining industry, LSE-listed Gem Diamonds’ Letšeng mine, in Lesotho, achieved a 28% year-on-year increase in production to 28 698 ct for the quarter ended March 31, owing to higher grades sourced from the satellite pipe. Letšeng diamonds achieved an average... 

Positive progress at Kombat copper mine

13th May 2016 Canadian exploration and development company Kombat Copper president and CEO Paul Bozoki is confident that the Kombat copper mine, in the Otavi Mountainlands of Namibia, will start production in late 2016 and begin generating cash flow for the company.  

Company to exhibit highly resilient pipe at Copperbelt expo

29th April 2016 Two trading arms of complete pipeline solutions provider Rare, Rare Plastics and Rare Pipeline Services (which incorporates Rare Construction Zambia), will be exhibiting at this year’s Copperbelt Mining Trade Expo and Conference (CBM-TEC) from May 12 to 13. Rare will be showcasing their new Rare... 

New method to neutralise flooded opencast mines

29th April 2016 Germany-based mine closure planning company GMB has developed the Underwater Nozzle Pipelines (UNP) method, using natural water circulation to distribute lime and carbon dioxide (CO2), as a more effective means of neutralising flooded opencast mines. “The method is particularly suitable for... 

Pipe manufacturer advocates plastic over concrete

By: Sascha Solomons     22nd April 2016 Consulting engineers and their clients should focus on long-term sustainability rather than short-term profitability, says high density polyethylene (HDPE) pipe manufacturer Sinvac Piping MD Kobus van Dyk. “In South Africa, traditional concrete piping systems and manholes are being prescribed by... 

With first sales under belt, Goldsource eyes adding an excavator at Eagle Mountain

By: Henry Lazenby     20th April 2016 Since starting commissioning activities late January, Guyana-focused gold producer Goldsource Mines has recorded sales of 81.7 oz of the yellow metal on April 14, at $1 240/oz. With a declaration of commercial production imminent, the TSX-V-listed project developer said Wednesday it would add a... 

Stellar Diamonds outlines long-term plans for West African projects

By: Ilan Solomons     15th April 2016 Diamond exploration and mining company Stellar Diamonds continues to develop its diamond projects in West Africa, which it intends to own and operate as functioning mines in the long term. Stellar is focused on continuing the trial mining evaluation of a 5 ha pipe at the Baoulé diamond project,... 

Hidden Valley mine, Papua New Guinea

By: Sheila Barradas     15th April 2016 A gold operation, located 90 km south-west of Lae, in the Morobe province.  

Pipe Launders Make Their Way To Chrome

7th April 2016 Multotec’s pipe launders are well known in the mineral sands and iron-ore mining industries. The polyvinyl chloride pipe launders have proved their worth in these arduous applications for many years, significantly outperforming their steel rubber-lined counterparts. Now, chrome producers are... 

Govt intent on creating incentives for mines to benefit from platinum fuel-cell investment 

By: Martin Creamer     5th April 2016 The South African government is intent on creating incentives for mines to derive greater benefit from investing in platinum fuel-cell technology. Science and Technology Minister Naledi Pandor, who spoke at the launch by Impala Platinum (Implats) of a fuel cell forklift and hydrogen refuelling... 

New OPTIQUAD-EOF 4050 W: inline analyser system for edible oil and fat processing

By: Liezille Vermeulen     1st April 2016 KROHNE introduces OPTIQUAD-EOF 4050 W for the continuous inline measurement of free fatty acids (FFA), total polar material (TPM), peroxide value (POV), moisture or dirt. 

Stellar Diamonds moves focus to financing Sierra Leone project

By: Anine Kilian     29th March 2016  Aim-listed exploration company Stellar Diamonds is turning its attention to finding potential and appropriate sources of funding for its Tongo project, in Sierra Leone. An estimated $25-million would be required to bring the surface and underground mining operations into production, the company... 

Vanderbilt Commercial to fund $30m Tango loan for Botswana project

By: Henry Lazenby     28th March 2016 California-based financial lender Vanderbilt Commercial Lending has presented TSX-V-listed Tango Mining with a proposal outlining a $30-million loan commitment to fund Tango’s acquisition and the capital required to restart the BK11 kimberlite diamond mine (BK11 mine), in Botswana. Pending... 

DiamondCorp’s Lace mine study delivers good economics

By: Megan van Wyngaardt     2nd March 2016 Southern African diamond mining, development and exploration company DiamondCorp has estimated the total resource tonnage in the main pipe at its 74%-owned Lace mine, in the Free State, to be 38.48-million tonnes to the 920 m level, an increase of 16% on the 33.12-million tonnes estimated in... 

Botswana Diamonds, Alrosa to start $700 000 exploration programme

By: Megan van Wyngaardt     2nd March 2016 Aim-listed Botswana Diamonds and its joint venture partner Alrosa will start a $700 000 exploration programme in Botswana, this month. Managed by Alrosa, the programme would see the drilling of one of its core holes to 300 m, along with one or two large diameter holes, each 300 m deep, on the... 

Stellar to auction off 3 295 ct during March

By: Megan van Wyngaardt     25th February 2016 West Africa-focused Stellar Diamonds will hold the next auction of 3 295 ct of diamonds recovered during trial mining at its Baoulé kimberlite project, in Guinea, in March.   The auction would close on March 8.   This diamond sale formed part of Stellar’s trial mining evaluation process of the 5... 

Ekati’s Sable pipe to extend production by three years to 2033

By: Henry Lazenby     24th February 2016 Canada’s largest publicly traded diamond miner Dominion Diamond has reported upbeat metrics for the Sable project, a side development opportunity of the Jay project, which could extend the life of Ekati – Canada’s first diamond mine – by about three years to 2033. Dominion on Monday announced... 

Douglas Munyawiri

By: Martin Creamer     19th February 2016 This week we feature Douglas Munyawiri, a consultant principal resources geologist for Amec Foster Wheeler Mining and Geology 

Diamond conference returns to Botswana

19th February 2016 Botswana will host the Diamonds Still Sparkling Conference, for the second time in six years. The sixth in a series of triennial diamond conferences, Diamonds Still Sparkling 2016 will be held at the Gaborone International Convention Centre, and targets the full spectrum of the diamond pipeline,... 

The lake does its bit: New method to neutralise flooded opencast mines using the natural water circulation to distribute lime and CO2

17th February 2016 Lignite can only be extracted from opencast mines if the ground water level is lowered to below the coal seam. This has a strong influence on the region's water balance. Depending on the chemism from the overburden, the rising ground water after mining  in the pit lake may become acidic due to... 

Stellar Diamonds exports 3 341 ct from Baoulé project

By: Samantha Herbst     16th February 2016 West Africa-focused diamond development company Stellar Diamonds has exported a diamond parcel worth 3 341 ct – extracted through an ongoing trial mining programme – from its Baoulé kimberlite project in Guinea’s Aredor area, to Antwerp. The London-listed miner announced on Tuesday that these... 

New EU emissions testing to boost platinum demand, platinum fuel cells wanted to power taxiing planes on runways

By: Martin Creamer     12th February 2016 Brussels last week took ratified proposals to increase European Union (EU) nitrogen oxide (NOx) emission limits for new cars – and a UK airline said it was looking to using fuel cells to power aircraft taxiing on airport runways. Both initiatives should be music to the ears of platinum-mining... 

India’s coal appetite dwindles

By: Ajoy K Das     8th February 2016 Green shoot pointers like the growth, or decline, in thermal power projects and the rapid upscaling of renewable-energy projects indicate that India’s appetite for coal is dwindling. Even as domestic coal production rose, moving from a shortage towards the surplus zone, growth in new thermal... 

On-The-Air (05/02/2016) 

By: Martin Creamer     5th February 2016 Platinum will be highlighted next week when the government announces support for a new fuel-cell manufacturing initiative. Anglo American Platinum is investing R60-million to lower the cost of using fuel cells. Toyota has released thousands of fuel-cell patents free of charge to speed up the... 

Sinvac Mining & Engineering

5th February 2016 Original-equipment manufacturer Sinvac Mining & Engineering is capable of supplying its South African Bureau of Standards-approved Sinvac Piping Systems not only across South Africa but into other areas of Africa. Piping systems are manufactured, supplied, fabricated and installed by Sinvac... 

Global diamond output by value expected to shrink 10%

By: Henry Lazenby     2nd February 2016 Despite efforts by diamond majors De Beers and Rio Tinto to curb global diamond supplies, lower output is forecast to be offset by stable Russian production, new mines, and production increases by Dominion Diamond Corp and Petra Diamonds, according to independent industry analyst and consultant... 

Stellar positive about kimberlite pipe, recovers 55 ct diamond

By: Megan van Wyngaardt     25th January 2016 Trial mining at Aim-listed Stellar Diamonds’ 5 ha Baoulé kimberlite pipe, in Guinea, has yielded 8 043 ct, to date, at an average grade of 12.7 carats per hundred tons. The miner noted that the target for the 75%-owned pipe remained the recovery of three-million carats, based on the continued... 

Another diamond mine heads for closure

By: Martin Creamer     18th December 2015 Following the closure earlier this month of De Beers Snap Lake diamond mine in Canada, Debswana’s Damtshaa mine in Botswana, co-owned by De Beers and the government of Botswana, is heading the same way from January 1. De Beers said in a statement to Creamer Media’s Mining Weekly Online that... 

Russian miner Alrosa finds 105.6 ct diamond

By: Henry Lazenby     18th December 2015 The world’s biggest diamond producer by volume Alrosa has found a 105.6 ct stone at its Jubilee kimberlite pipe. The precious gem was described as "4 Black Sawables 2 colour" quality with an octahedral shape. It was transparent, with a moderate yellowish hue. 

Lucara terminates share purchase deal with Paragon

By: Natalie Greve     15th December 2015 Aim-listed Paragon Diamonds has received a notice of termination for its share purchase agreement with the Lucara Diamond Corporation with regards to the acquisition of the Mothae kimberlite resource, in Lesotho. Paragon said on Tuesday that it maintained the view that the development of Mothae... 

Fresnillo ops unaffected by Saucito pipeline burst

By: Henry Lazenby     9th December 2015 Silver producer Fresnillo does not expect any material financial impact or loss of production after a pipe carrying nontoxic waste between the plant and tailings dam at the Saucito mine, in Mexico, burst on Sunday. Fresnillo on Wednesday said the Mexican Environmental Authority had concluded in... 

Petra recovers 23 ct pink diamond in Tanzania 

By: Megan van Wyngaardt     27th November 2015 Petra Diamonds has recovered a 23.16 ct pink diamond of “exceptional colour and clarity” from its Williamson mine, in Tanzania. The company said in a statement that the diamond was an example of the high-quality pink diamonds for which the mine was known and was the most significant recovery by... 

Canadian diamond producers best positioned to weather price crunch

By: Henry Lazenby     24th November 2015 As the global diamond industry sobers from a hangover of expected market growth that did not happen, Canadian producers are perhaps best positioned to weather the downturn, given the superiority of the country’s diamond projects. Since the global economic downturn of 2009 and up to the middle of... 

DiamondCorp resumes development tunneling at Lace mine

By: Natalie Greve     20th November 2015 Southern African diamond mining, development and exploration company DiamondCorp has, following completion of back-filling activities and almost two weeks ahead of schedule, resumed development tunnelling on the 290 m doming level at the Lace mine, in the Free State. The company said in a market... 

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