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sancot-news-advancement-in-vertical-tunnelling-in-miningDesign and construction of vertical tunnels, more commonly referred to as shaft sinking, continues to rely on particular methodologies that are selected in response to a combination of site requirements, cost models, and available technology. Industry best practice in horizontal tunnelling is well researched and documented; however, changing demands for efficient, quick, and correctly risk-managed shaft sinking projects have revealed the need for similar documented best practice in vertical tunnelling. Shaft sinking methodologies typically vary between two extremes, on the one side being blind...
are-efforts-to-mechanise-sa-mines-too-focused-on-machinery-rather-than-technologyPresidential Address: SAIMM AGMDate: 13th August 2014By: Prof Jim Porter Introduction: Challenge and Oportunity According to Statistics South Africa (SA) the current unemployment rate is 25.5% of the workforce This includes 10 million people subject to high levels of poverty SA is currently number two on the world's Geni index that measures the disparity between high and low income earners. BUT The Chamber of Mines' South African Year Book, 2012/13: The value of SA's total metal and mineral reserves "remain some of the world's most valuable, with an estimated worth of R20.5 trillion...
sancot-news-report-back-on-the-ita-2014-general-assembly-fortieth-annual-meeting-held-at-iguassu-falls-brazilThe International Tunnelling and Underground Space Association (ITA) held its fortieth annual meeting in Iguassu Falls, Brazil, from 9 to 14 May 2014, in conjunction with the World Tunnel Congress 2014 ‘Tunnels for a Better Life’, organized by the ITA and the Brazilian Tunnelling Committee. More than 1500 persons participated in the conference. The Association registered 12 new Affiliate Members in the preceding year, which resulted in a total of 71 Member Nations and 285 Affiliate Members (taking into account some resignations). Fifty-two of the 71 Member Nations either participated or were...
professional-registration-with-the-engineering-council-of-south-africa-ecsaGrow your business by getting more of your engineering staff professionally registeredThe wheels of service delivery and the broader economy demand not just more engineering graduates, but more registered engineering professionals, able to take responsibility and make decisions independently, while ensuring the highest level of quality and safety. It is for this reason that organizations need to work towards developing all engineering staff towards professional registration with the Engineering Council of South Africa (ECSA). Making staff more valuableIt is not difficult to see why...

From the President's Corner

Mentoring and coaching are two words that come up at many mining industry forums. Many mining companies have mentoring and coaching programmes. The Engineering Council of South Africa (ECSA) encourages candidate engineers to seek out a mentor, and the SAIMM has had mentoring and coaching programmes in the past. What is a mentor? An experienced and trusted advisor is the definition. What is a coach? A private tutor is the definition. While many people will regard the two as being one and the same,...
Beneficiation is a term that has many different meanings within the mining industry and beyond. From an economic perspective, beneficiation relates to adding value to a mined raw material, or the transformation of mined ore into a higher value product that can be consumed locally or exported. In the mining industry, beneficiation is mainly used to describe metallurgical processes that are utilized to upgrade the mined raw material or ‘run-of-mine’ (ROM) ore. When describing metallurgical...

From the Journal Comments

Physical Beneficiation 2013 was the third conference of its kind, the first being the DMS and Gravity Concentration Conference held in 2006 and the second the Physical Beneficiation 2010 Conference. Physical beneficiation covers dense medium separation (DMS), gravity concentration, magnetic separation, electrostatic separation, and ore sorting –all processes that are widely used in the Southern African mining industry. A total of 22 papers were presented during the two days of the conference, 19 and...
When I first read the abstracts of the six papers appearing in the Journal this month, I thought that I would have to comment on each paper individually and in depth, as there did not seem to be a common theme linking them in any way. What do you think: CFD modelling of ventilation patterns in mines, sublevel stope optimization, the indexing of mining risk, controlling fires in coal mines, process for treating vanadium titano-magnetites, and erosion of the freeze lining in submerged-arc...

Upcoming events

6th International Platinum Conference 2014 6th International Platinum Conference 2014
12th Annual Student Colloquium 2014 12th Annual Student Colloquium 2014
Accessing Africa's Mineral Wealth 2014 Accessing Africa's Mineral Wealth 2014
AusIMM: Orebody Modelling and Strategic Mine Planning AusIMM: Orebody Modelling and Strategic Mine Planning
5th Sulphur and Sulphuric Acid 2015 Conference 5th Sulphur and Sulphuric Acid 2015 Conference
Mining, Environment and Society Conference 2015 Mining, Environment and Society Conference 2015
Solids Handling and Processing 2015 Solids Handling and Processing 2015
Copper Cobalt Africa - 8th Base Metals Conference 2015 Copper Cobalt Africa - 8th Base Metals Conference 2015
Production of Clean Steel School 2015 Production of Clean Steel School 2015
Heavy Minerals Conference 2015 Heavy Minerals Conference 2015
WorldGold Conference 2015 WorldGold Conference 2015
Slope Stability 2015 Slope Stability 2015
Nuclear Materials Development Network Conference 2015 Nuclear Materials Development Network Conference 2015
MPES 2015 : Mine Planning & Equipment Selection MPES 2015 : Mine Planning & Equipment Selection

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Mining Weekly Headlines

  • North River lifts Namib resource to 1.25Mt
    An extensive underground drilling programme over the last six months at North River Resources’ Namib lead-zinc mine, in Namibia, has increased the project’s Joint Ore Reserve Committee-compliant mineral resource estimate 36% to 1.25-million tons. Within this, indicated resources had increased 33% to 877 000 t, at 2.7% lead, 6% zinc...
  • ELB Group lifts FY turnover 18%
    Engineering solutions provider ELB Group has reported an 18% increase in turnover for the year, boosting overall income, from R1.9-billion in 2013, to R2.3-billion for the 12 months ended June 30. Describing this as “a satisfactory result, given the current difficult trading conditions” the group added in a results statement...
  • MPRDA Amendment Bill announcement imminent - Ramatlhodi
    Mineral Resources Minister Ngoako Ramatlhodi said on Friday, during a visit to the Electra Mining Africa Exhibition, that he had met with President Jacob Zuma concerning the Mineral and Petroleum Resources Development Act Amendment Bill and was “certain that the President will make an announcement on it in the next...
  • Failure not option as tech champions push forward through rocky R&D terrain
    Only 60% of the gold ore in South Africa’s rich Witwatersrand basin is accessed; 40% is left behind in pillars to protect against seismicity. The mining method then loses a further 25% to 30% of that 60% because blasting breaks the ore into so many pieces that not all of...
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