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Topic

Rio unveils three large diamonds

By: Esmarie Iannucci     2nd October 2018 Diversified miner Rio Tinto and its joint venture partner Dominion Diamond Mines have revealed three of the finest large rough diamonds from the Diavik mine, in Canada, that will be up for tender, closing on October 25. Collectively known as the Diavik Stars of the Arctic, the three rough... 

Kareevlei output rises 81% y/y in H1

By: Tasneem Bulbulia     20th September 2018 Diamond mining company BlueRock Diamonds has achieved an 81% increase year-on-year increase in production at its Kareevlei diamond mine, in the Kimberley region, to 73 028 t for the six months ended June 30. This represents an active period for the company, culminating in the restabilisation of... 

Tsodilo's Botswana kimberlite project produces 44 ct

By: Schalk Burger     14th September 2018 TSX-listed Tsodilo Resources’ BK16 kimberlite project, in the Orapa kimberlite field, in Botswana, has produced a third parcel of diamonds, comprising 279 diamonds weighing 43.95 ct, the company said in a statement on Thursday. The diamondiferous BK16 kimberlite pipe is about 6 ha in size at... 

Pumps range displays benefits across applications

By: Shannon de Ryhove     14th September 2018 Innovative engineering has resulted in minerals industry supplier FLSmidth’s new Krebs slurryMAX split-case slurry pump gaining a strong foothold in slurry applications across Africa. The company recently exhibited the new features and safety benefits of the pump at mining and power exhibition... 

High efficiency drives versatile pump set

By: Shannon de Ryhove     14th September 2018 Pump solutions specialist Integrated Pump Rental recently completed the assembly of an electrically driven Sykes XH150 pump set, which it exhibited at this year’s Electra Mining Africa exhibition. The pump set consists of a 315 kW motor with a 400 V drive capable of a maximum head of 180 m with a... 

Pipe fittings on show at Electra Mining

13th September 2018 Pipe-fitting solutions provider Plasson’s range of HDPE pipe fittings offer solutions for connecting polyethylene pipes used for conveying water and other fluids in urban and inter-urban infrastructure, as well as in industrial, mining, landscaping and farming applications. Plasson will be... 

Environmentally-Friendly Augmented-Reality Welding Simulators For Welding Students At TVET Colleges

11th September 2018 The new augmented-reality welding training solution from Sangari Education The blue collar skills shortage in South Africa is estimated at around one million jobs.  To meet this demand, training is essential, but the machinery needed is expensive.  Providing theory and no practical training is... 

BlueRock starts processing from second kimberlite pipe at Kareevlei  

By: Creamer Media Reporter      4th September 2018 Aim-listed BlueRock Diamonds, which owns and operates the Kareevlei diamond mine, nearly Kimberley, in the Northern Cape, has started kimberlite processing from the KV1 pipe – the mine’s second kimberlite pipe. KV1 is one of five known kimberlite pipes within the Kareevlei project area and has an... 

Lucapa Achieving “Sparkling”Diamond Success In Both Africa And Australia

29th August 2018 Diamond producer, ASX-listed Lucapa Diamond Company Limited (LOM) says the Company has begun to “shine bright” in the world of Special diamonds. The Company’s CEO and Managing Director, Mr Stephen Wetherall, told the first day today of the three day Paydirt Africa Down Under (ADU) mining... 

SA HIPPO warns about the hidden cost of submersible pumping

By: Creamer Media Reporter      22nd August 2018 When a Submersible pump is installed and in operation, in most cases the pump is completely submerged and out of sight while very little attention is paid to the actual operating costs involved. Before purchasing a submersible pump, the main consideration should be the total cost of ownership,... 

Fibre optics punted for pipeline monitoring amid major spills in mining and other sectors

By: Nadine James     10th August 2018 Fibre optics were invented to carry huge amounts of voice data over long distances very efficiently, but advancements in optical technology have enabled the use of specialised fibre optic cables as sensors with the ability to measure parameters such as acoustic energy, temperature, strain, and... 

Fibre optics punted for pipeline monitoring amid major spills in mining and other sectors

By: Nadine James     10th August 2018 Fibre optics were invented to carry huge amounts of voice data over long distances very efficiently, but advancements in optical technology have enabled the use of specialised fibre optic cables as sensors with the ability to measure parameters such as acoustic energy, temperature, strain, and... 

Mothae delivers more special stones for Lucapa

By: Esmarie Iannucci     7th August 2018 Diamond miner Lucapa has recovered more special and coloured diamonds from its Mothae diamond mine, in Lesotho. The special recoveries included a 28 carat stone from the North zone and two light pink diamonds. 

Alrosa sells main diamond from Dynasty collection

By: Simone Liedtke     3rd August 2018 Diamond miner Alrosa on Thursday sold its Dynasty collection, and its central diamond of the same name, a 51.38-ct round stone, for a total of $10-million. The first auction for the sale of the collection, held in November 2017, saw four of the five stones sold, with the excess of final prices... 

Letšeng large diamond recoveries reach a record in H1

By: Marleny Arnoldi     3rd August 2018 LSE-listed Gem Diamonds continued to recover large diamonds during the first half of this year, with a record ten diamonds greater than 100 ct recovered, at its Letšeng mine, in Lesotho. Gem recovered another such diamond in July, which resulted in the highest number of more-than-100 ct... 

Angola keen on South African companies entering its diamond sector

By: Rebecca Campbell     3rd August 2018 Angola is working to ensure that the major South African diamond companies can operate in the country. This was stated recently by Endiama Strategic Planning and Minerals Operations Bureau head Laureano Paulo. (Endiama is Angola’s State-owned national diamond company. Its name is an acronym for... 

Botswana Diamonds exploration update, says confident it holds licence to Mooikloof

By: Simone Liedtke     31st July 2018 Analysis of Aim-listed Botswana Diamonds’ Free State kimberlites indicates high abundances of diamond inclusion type chemical compositions, thereby rating these kimberlites as being of high interest in terms of their diamond-bearing potential, the company said on Tuesday. The results also... 

Mothae delivers more diamonds for Lucapa

By: Esmarie Iannucci     30th July 2018 Diamond miner Lucapa has recovered another special diamond from ongoing bulk sampling at its Mothae mine, in Lesotho. The 11.88 carat diamond was recovered from the North zone, and is the first special diamond recovered from that section of the Mothae kimberlite pipe in the current bulk sample. 

Mining at Alrosa’s Zarya to start next year

By: Marleny Arnoldi     20th July 2018 Russian diamond mining group Alrosa’s Zarya diamond deposit in Sakha (Yakutia) is in its final stages before diamond mining will start next year. Since 2016, ten-million-cubic-metres of overburden were removed from the openpit mine, reaching a depth of 100 m. Drainage ditch construction,... 

Lynas production hits record, further increases planned for Q1 FY2019

By: Esmarie Iannucci     20th July 2018 Rare earths miner Lynas has reported record neodymium and praseodymium (NdPr) and rare-earth oxide (REO) production for the June quarter, with further increases planned for the September quarter. The ASX-listed company on Friday reported REO production of 4 804 t, up 17% on the previous quarter’s... 

Alrosa unearths soccer ball shaped diamond

By: Mariaan Webb     8th July 2018 Alrosa, the State-owned diamond miner of 2018 FIFA World Cup-host Russia, has unearthed a diamond that bears a resemblance to a soccer ball. The diamond was recovered on July 4, three days before the World Cup quarter finals, in which the Russian national football team lost to Croatia. 

Going to great lengths for the value pipeline

6th July 2018 Aegion South Africa provides 18m spools for concentrate hydro-transportation at mining project resulting in 10 % project cost savings In the high-stakes game of mining today, margins are tighter and under more pressure than ever. To remain viable, mining companies are becoming more scientific... 

BlueRock lifts Kareevlei production by 81% y/y in H1

By: Nadine James     6th July 2018 Aim-listed BlueRock Diamonds’ Kareevlei diamond mine, in Kimberley, in the Northern Cape, achieved “good” production during the second quarter, contributing to an 81% year-on-year increase in tonnes processed to 73 028 t for the first half of this year. Revenue per tonne processed amounted to $7.76. 

Cullinan mine moves to centralised blasting to improve safety, efficiency  

By: Nadine James     6th July 2018 Petra Diamonds’ Cullinan mine hopes to achieve further improvements in safety, mining efficiencies and productivity, following the implementation of BME’s AXXIS centralised blasting system across its underground operation. The system was officially launched on Wednesday. 

Lucapa recovers 89ct diamond in Lesotho

By: Esmarie Iannucci     29th June 2018 Diamond miner Lucapa Diamond Company has recovered an 89 carat yellow diamond from the current bulk sampling programme at its Mothae project, in Lesotho. The bulk sampling programme is designed to expand and improve the current Mothae resource by processing areas of the kimberlite pipe which... 

Petra’s Cullinan mine uses new centralised blasting system to improve safety, productivity

By: Nadine James     27th June 2018 Petra Diamonds’ Cullinan mine hopes to achieve further improvements in safety, mining efficiencies and productivity, following the implementation of BME’s AXXIS centralised blasting system across its underground operation. The system was officially launched on Wednesday. 

Wobbler technology benefits overhead irrigation for heap leaching

15th June 2018 Heap leach depths have increased from 15 m of ore depth to 150 m since the turn of the century. Higher closure and reclamation costs, as well as a need to decrease the impact on agricultural land, prompted mine managers to increase ore depths as a way to make mining operations more efficient and... 

BlueRock expects improved performance as it rectifies Kareevlei cone crusher issue

By: Marleny Arnoldi     11th June 2018 Aim-listed BlueRock Diamonds and an independent engineering consultant have evaluated the crushing circuit at the Kareevlei mine, in Kimberley, in the Northern Cape.  

TFR’s MMC business unit to conduct national maintenance in June

By: Marleny Arnoldi     6th June 2018 Transnet Freight Rail’s (TFR’s) Mineral Mining and Chrome (MMC) business unit, which is responsible for yearly planned maintenance where major capital replacement activities are implemented, will hold its financial year shutdown from June 7 to 13.  

Botswana Diamonds awarded Mooikloof prospect

By: Marleny Arnoldi     6th June 2018 Aim-listed Botswana Diamonds has been awarded a prospecting licence for the 2.5 ha Mooikloof diamondiferous kimberlite pipe concession, in Limpopo, South Africa.  

BlueRock raises £350 000 through placement

By: Anine Kilian     31st May 2018 Aim-listed BlueRock Diamonds has raised about £350 000 through the issue of 29.17-million ordinary shares at a price of 1.2p a share.     In addition to strengthening the balance sheet, the company will use the larger part of the proceeds to expedite the development of Pipe 1 at its Kareevlei... 

Botswana’s Karowe Mine – home to exceptional diamonds and the second largest diamond in history

30th May 2018 The Karowe Mine, located in northern Botswana, 22km south east of the Orapa Mine, which was discovered three years earlier in 1967 as the nation’s first diamond mine, is wholly owned by Lucara Diamond Corporation and has a remarkable success story in its first five years of production. Between... 

Diamond evaluation sampling progressing at Botswana BK16 project

By: Melissa Zisengwe     25th May 2018 Some 101 diamonds (18.57 cts), the largest of which was 1.38 ct, were recovered last month from the treatment of the first evaluation samples taken the BK16 kimberlite pipe, which forms part of the Orapa kimberlite field (OKF) in Botswana. Diamond explorer Tsodilo Resources sampling programme... 

Gamsberg producing by mid-year – Vedanta

By: Martin Creamer     23rd May 2018 The Gamsberg zinc project in South Africa’s Northern Cape is on track with production expected by the middle of this year, the London-listed, India-rooted Vedanta Resources said on Wednesday, when it reported higher revenue and profits and lifted its dividend yield for the year to 6%. Current... 

Aegion South Africa ‘conveys’ improved, cost-effective bulk mineral hydro-transportation solutions in the pan-African mining sector

22nd May 2018 Africa faces the urgent problem of having to address its ageing pipeline infrastructure. Specialist pipeline rehabilitation company, Aegion South Africa, has a range of highly effective solutions to this pressing problem; and has been providing successful project solutions locally and to various... 

Agarwal encouraging Anglo to accentuate South Africa link

By: Martin Creamer     9th May 2018 Indian mining billionaire Anil Agarwal is encouraging Anglo American – in which he now holds more than 21% – to accentuate its link with South Africa, where the Vedanta Resources company he founded and chairs is successfully turning to highly positive account the zinc assets that Anglo walked... 

Gem lifts Q1 production, sales

By: Anine Kilian     26th April 2018 LSE-listed Gem Diamonds’ carat recoveries increased by 32% year-on-year to 33 526 ct for the three months ended March 31, compared with the 25 479 ct recovered in the first quarter of 2017. Carat recoveries also rose by 10% on the 30 560 ct recovered in the December 2017 quarter. 

Diamond miner Alrosa’s first-quarter production slumps

By: Mariaan Webb     20th April 2018 Diamond miner Alrosa on Friday reported a 17% year-on-year decrease in its first-quarter production, as the shutdown of the Mir underground division weighed on its performance and lower-grade ores were processed from the Jubilee pipe. The miner produced 7.42-million carats in the quarter,... 

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