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Drilling and Tunnelling News

Gold explorer to start third round of drilling

Vancouver-based gold explorer Pilot Gold expects to resume drilling in March at its Goldstrike property in Southwestern Utah, in the US, to focus on extending and defining mineralisation along the main gold trend. The company released the results of the second phase of its inaugural drill... 

New ultralow-profile mining machine operated successfully for 500 hours at SA mines

By: Ilan Solomons Local ultralow-profile mining machinery and equipment supplier CMTI Consulting’s MT100 ultralow-profile mining machine has successfully operated for more than 500 hours at several gold and platinum mines throughout South Africa, CMTI Consulting MD Dr Danie Burger tells Mining Weekly. The MT100,... 

New ultralow-profile mining machine operated successfully for 500 hours at SA mines
MT100 MINING MACHINE The locally manufactured MT100, with a sweeper and a dozer attached, is a battery-driven platform with a maximum height of 420 mm and a battery life of seven hours

Council for Geoscience advances shale gas research in the Karoo

By: Ilan Solomons The Council for Geoscience (CGS) has embarked on a three-year research programme involving a range of geoscientific investigations associated with the drilling of a vertical deep-core borehole to better conceptualise some of the geological issues related to potential shale gas resources in South... 

Council for Geoscience advances shale gas research in the Karoo

‘Frack mining’ mooted as a future mining innovation

By: Ilan Solomons Miners currently face many challenges, from low commodity prices to the exhaustion of accessible high-quality orebodies and high development costs. However, by drawing on the oil and gas industry’s process of hydraulic fracturing, or fracking, miners may have new ways to tackle those problems... 

‘Frack mining’ mooted as a future mining innovation
ADRIENNE RATMANSKY Frack mining combines the mining industry’s practice of in-situ leaching with the oil and gas industry’s hydraulic fracturing process

Faster, easier access to orebodies

By: Mia Breytenbach JSE-listed drilling solutions provider Master Drilling will not only exhibit but also launch a new technological advancement – a mechanised blind shaft boring system – at this year’s Investing in African Mining Indaba, following a successful experience at the 2015 Cape Town-based event. Master... 

Faster, easier access to  orebodies
MILESTONE ACCURACY The breakthrough of the pilot hole in the shaft at the Palabora copper project was within 0.5 m from the theoretical centre line of the shaft

Merger enables engineering firm to weather tough market conditions

By: Nadine James Metallurgical engineering company MDM Engineering has kept its head above water and has been able to secure new contracts despite the depressed market conditions in the mining industry, MDM executive director and founder George Bennett tells Mining Weekly. He attributes the company’s... 

Merger enables engineering firm to  weather tough market conditions
GEORGE BENNETT MDM Engineering is in the process of completing three projects in South Africa

Schwalbe

Focused on providing products and services while ensuring competitiveness in quality, reliability and price, South Africa-based drilling equipment supplier Schwalbe’s product lines have been supplied to and also tested with favourable results achieved by companies such as gold producer Anglo Gold... 

Schwalbe

Supplier to feature LS250 MiniSonic in 2016

By: Kimberley Smuts Despite the industry downturn, drilling services, drilling equipment and performance tooling provider Boart Longyear continues to invest in new product development and innovation in mining and expects to launch more than four new products this year. The company aims to share these latest product... 

Supplier to feature  LS250 MiniSonic in 2016
DRILL RIGS ON SHOW Boart Longyear will promote the LS250 MiniSonic (pictured) at the 2016 Investing in African Mining Indaba

DTI invites local companies to participate in DRC expo pavilion

By: Megan van Wyngaardt The Department of Trade and Industry (DTI) has invited South African manufacturers and exporters of mining equipment and related products and services to apply to participate at DRC Mining Week 2016, scheduled to take place on June 8 and 9 in Lubumbashi, in the Democratic Republic of Congo. The... 

New geology software version due for release next year

Mining solutions developer Maptek will release the latest version of its mine-planning software suit Vulcan 10 in the first quarter of 2016. Vulcan incorporates a dedicated geology package that features tools that enable geologists to access and view drillhole data, define geological zones and... 

New geology software version due for release next year
GEOLOGISTS AID Horizon adaptive rectangular prism modelling in Vulcan enables drillhole data and downhole geophysical characteristics to be used to interpret and interpolate coal horizons

Master Drilling expands European footprint 

By: Megan van Wyngaardt Drilling services provider Master Drilling International (MDI) has inked a €5-million deal that will see it acquire a 40% stake in Scandinavian raisebore drilling company Bergteamet Raiseboring Europe. This formed part of MDI’s long-term growth strategy and was an effective entry into the... 

Benefits of electronic detonation being realised

Electronic detonators are fast becoming an integral part of effective mining processes across the world, says electronic initiation system designer DetNet marketing director Johann Smit. “[The benefits of] electronic blast [initiation] are being recognised worldwide,” he says, adding that using... 

Benefits of electronic detonation being realised
EASY TO USE The DigiShot Plus is an easy-to-use electronic initiating system primarily for use in surface blasting applications

Mining solutions provider introduces hard rock mining truck

US-based mining equipment manufacturer Joy Global recently debuted the Joy 16TD hard rock mining truck, its newest offering for the global mining market. Based on the popular DT-1804 truck model, the 16TD features lower hood lines for improved visibility, a digital operator display, shorter... 

Mining solutions provider introduces  hard rock mining truck
16TD HARD ROCK MINING TRUCK Joy Global has replaced its popular DT-1804 truck with the 16TD model which has all of the DT's capabilities without its design flaws

Company to launch underground mining machines

By: Bruce Montiea Ultralow-profile mining machinery and equipment supplier Centre For Machine Technology and Innovation (CMTI Consulting) will launch two underground mining machines next month. CMTI Consulting MD Danie Burger says the machines are still being developed and will be delivered to gold miner Sibanye... 

Company to  launch underground mining machines
NEW MINING CONCEPT Most of the parts used to develop the Centre For Machine Technology and Innovation’s underground mining machines were produced locally

Increased volumes of mining, construction assets auctioned online

By: Mia Breytenbach Owing to the continued global and local economic challenges that the local mining industry faces, several mining houses are shifting their focus from growth and expansion to efficiency and cost control, says online mining and construction equipment auctioneering company Clear Asset. The slowdown... 

Increased volumes of mining, construction assets auctioned online
ONLINE ATTRACTION Clear Asset’s September auction registered 29 000 unique auction views and 1 674 bids, with the Vermeer trencher sold to a buyer in the US

New pneumatic face advance and roof bolter rock drill systems launched

By: Ilan Solomons Local pump and rock drill manufacturer Scamont Engineering’s range of locally manufactured pneumatic rock drills and roof bolters, the Shova face advance and Shova roof bolter have the ability to significantly increase mining extraction volumes and improve the safety levels for rock drill... 

New pneumatic face advance and roof bolter  rock drill systems launched
SHOVA FACE ADVANCE The new pneumatic drill system provides for easy, fast collaring, thereby, ensuring on-mark drilling for rock drill operators

Master Drilling remains optimistic with headline earnings up, focused on diversifying

By: Megan van Wyngaardt JSE-listed drilling services provider Master Drilling has declared a 22.9% jump in headline earnings from 61c to 75c for the six months ended June 30. At its results presentation in Johannesburg on Monday, the group also noted a profit of $10.4-million, up by 11%, and cash generated from... 

Prevalent mining risks necessitate more protection measures, says consultancy

By: Mia Breytenbach The pervasiveness of key risks to mineworker health and safety, notably silicosis and fall-of-ground incidents, underscores that much still needs to be done to protect workers, states multidisciplinary consulting engineers and scientists SRK Consulting South Africa (SA). SRK Consulting SA... 

Prevalent mining risks necessitate more protection measures, says consultancy
Photo by Bloomberg
PROTECTION MEASURE The mechanisation or automation of drilling and other mining operations is a solution that could reduce miners’ exposure to silica dust

Aircore drilling starts at Fisher East

ASX-listed exploration company Rox Resources has started an aircore drilling programme on the Fisher East nickel sulphide project located 500 km north of Kalgoorlie, in Western Australia. The drilling programme, announced by the company last month, will test several strong electromagnetic (EM)... 

Assay results find significant zinc concentration

ASX-listed metal producer Mungana Goldmines last month announced high-grade zinc results from previously unassayed diamond drill holes, within its Red Cap project area, 4 km from Mungana’s partially completed base metals concentrator at Chillagoe, in north Queensland. The drilling was done by... 

Updated Jorc mineral resource announced

Australian strategic metals company Pilbara Minerals in June announced a significant increase in the Joint Ore Reserves Committee- (Jorc-) compliant high-value lithium content of its Pilgangoora tantalum-lithium project, in Western Australia’s Pilbara region. The updated mineral resource includes... 

$2m drilling programme starts at Alaska Peninsula copper-gold project

By: Sashnee Moodley A drilling programme had started at the Alaska Peninsula copper-gold project, in south-west Alaska, explorer Millrock Resources reported on Thursday.  

$2m drilling programme starts at Alaska Peninsula copper-gold project

Hydropower can effect 90% reduction in drilling energy

By: Bruce Montiea Hydropowered rock drills can reduce the drilling energy requirement of a mine by up to 90% compared to pneumatic systems, as they operate at more than twice the penetration rate of air drills. In addition, as hydropower is more energy-efficient, it also reduces the number of drillers in a working... 

Hydropower can effect 90% reduction in drilling energy
PRECISE Hydropowered drilling can achieve improved advance rates through more accurate drilling

Local company unveils Turkey-manufactured drill rig range

By: Ilan Solomons Local diversified information technology, mining and cooling solutions and products provider Troya Trading officially unveiled its new Geo 900 exploration drilling rig range to the local market at a company open day, in Midrand, last month. The drill rig was manufactured in Turkey by drilling... 

Local company unveils Turkey-manufactured drill rig range
DRILLING MATTERS The Geo 900 drill rig had a dry hole depth capacity of 1 700 m and a 2 000 m wet-hole capacity at BQ size

Fuel-efficient blasthole drill rig can drill larger holes

By: Mia Breytenbach Sweden-based construction and mining tools and equipment manufacturer Atlas Copco launched its PowerROC T50 surface drill rig, designed for use at limestone, cement and aggregate quarries, onto the African market earlier this month. The PowerROC T50 is a tophammer, blasthole drill rig that is... 

Fuel-efficient blasthole drill rig can drill larger holes
DRILLING PERFORMANCE The newly developed rock drill COP 3060 for surface applications provided the PowerROC T50 with a high penetration rate

Miner confirms high-grade gold mineralisation

Aim-listed Savannah Resources has defined an initial 65-million tons maiden inferred mineral resource estimate (MRE) at its Jangamo heavy mineral sands (HMS) project in southern Mozambique. Savannah CEO David Archer said in December that initial resource drilling was targeting two areas within... 

Downhole geophysics helps mines avoid costly mistakes

By: Bruce Montiea The profit margins of opencast mining have decreased, necessitating cost reductions while effcient production is maintained, says wireline-logging company Geoline Logging Services. Geoline manager Charles Gould states that most opencast mines tend to operate on a “best guess” basis in terms of... 

Downhole geophysics helps mines avoid costly mistakes
PRECISE Downhole geophysics using wireline logging allows for variable seam depths and thicknesses to be reported accurately

Simulation enhances preparation of mining learners

By: Dylan Slater Using simulation facilities, such as mining environment mock-ups, coupled with electronic-learning (e-learning) techniques, holds significant benefits when training mining personnel, says mining services company Murray & Roberts Cementation. Murray & Roberts Cementation risk manager Tony... 

Simulation enhances preparation  of mining learners
Tony Pretorius (far right) instructs trainees at the academy at Bentley Park

Bakubung shaft sinking remains on track

By: Kimberley Smuts Shaft-sinking activities at platinum miner Wesizwe Platinum’s Bakubung mine, in the North West, remain on track, with the main and ventilation shafts now having reached a depth of 770 m. Shaft sinking started in 2012, following the receipt of $600-million in financing from the China Development... 

Bakubung shaft sinking remains on track
EVENED OUTOwing to additional development work done on the ventilation shaft, both shafts are now at the same depth

New shaft drilling method under development

By: Kimberley Smuts Body copy: Raiseboring and drilling services group Master Drilling is evaluating the possibility of drilling a shaft without bottom access, which could bring about “a radical change” in the industry, executive director Koos Jordaan tells Mining Weekly. He explains that, traditionally, raiseboring... 

Obtaining social licence a manageable challenge for emerging miner

By: Kimberley Smuts Obtaining a social licence to operate is one of the main challenges faced by emerging miner Wesizwe Platinum, which is sinking the main shaft of its Bakubung mine, on the western limb of the Bushveld Igneous Complex. Wesizwe corporate affairs and investor relations executive Hamlet Morule tells... 

Drilling further increases Ghana gold project’s potential

ASX-listed gold producer Cardinal Resources last month announced that further down dip gold extensions were confirmed at its Namdini mining project, in Ghana, increasing the project’s gold bearing potential. Down dip extensions were confirmed at 13 m at 1.158 g/t from 53 m vertical depth, 10 m at... 

Drilling further  increases Ghana gold project’s potential
INCREASED POTENTIAL Cardinal Resources has confirmed further down dip gold extensions at its Namdini project, in Ghana

African drilling projects benefit from versatile equipment

By: Bruce Montiea African drilling projects are benefiting from using the versatile instruments and products produced by Italy-based drilling instruments designer DAT instruments, says sales manager Domenico Anelina. He adds that the company’s products can be installed and used on any drilling rig, irrespective of... 

African drilling projects benefit from versatile equipment
VERSATILE DAT instruments' products can be installed and used on any drilling rig

Challenging drilling project successfully completed

By: Bruce Montiea Integrated drilling services and equipment provider Boart Longyear last month completed another unique project using its dual-tube flooded reverse-circulation technique. The technique, used to drill 60-inch shafts through loss circulation zones, was used to create a ventilation shaft for an... 

Challenging drilling project successfully completed
DRILLING TECHNIQUE The dual-tube flooded reverse-circulation drilling technique makes it possible for the bit to penetrate loss circulation zones without the use of a more traditional raised bore rig

Company introduces new, improved drill

High-technology engineering company Sandvik has added the new DR461i drill to its equipment product line. “The DR461i is a diesel powered, self-propelled, crawler-mounted blasthole drill that is automation-ready and features forward-thinking design and technology for bulk mining operations,”... 

Company introduces new, improved drill
ROUGH TERRAIN Customers count on Sandvik to develop robust drills

Company prioritises oil-contamination prevention, safety

By: Bruce Montiea To reduce the environmental impact of its projects, drilling services company Ubuntu Rock Drilling (URD) aims to prevent oil contamination as much as possible, company marketing manager Michelle Berrington tells Mining Weekly. To achieve this, a plastic liner is used to cover the ground surface... 

Company prioritises oil-contamination  prevention, safety
Photo by Bloomberg
ZERO SPILLAGE Drilling must have as little impact as possible on the environment

Drill penetrates with more precision

By: Bruce Montiea Cutting tools developer Dormer Pramet in January launched a new solid carbide drill that increases drilling precision. The drill was specifically developed to overcome problems associated with deep-hole drilling and creating underground mining infrastructure, says Dormer Pramet application... 

Drill penetrates with  more precision
INCREASED PRECISION The R459 drill has been specifically developed to overcome problems typically associated with deep-hole drilling and creating underground mining infrastructure

More mining companies to benefit from drill rig simulator training

By: Bruce Montiea In response to the growing need for skilled drilling personnel, global training simulator provider ThoroughTec Simulation is increasing the number of its Cybermine blast-hole drill-rig simulator cabs, says operations VP Richard Bellengère. This production drive will make the cabs available to... 

More mining companies to benefit from drill rig simulator training
SIMULATION Training simulators are necessary to ensure that operators know how to operate a drill rig safely and efficiently without the mine having to take it out of production for too long
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