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Drilling and Tunnelling News

$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.  

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

Upgraded rotary drill to be introduced to African market

By: Bruce Montiea Following the completion of product support training, machinery manufacturer Caterpillar’s upgraded MD6640 rotary drill is now commercially available, says Caterpillar surface rock drills commercial strategy manager G R Regas, adding that the company will introduce the upgraded drill to the... 

Upgraded rotary drill to be introduced to African market
POWERFUL The MD6640 is electrically powered and is Caterpillar’s largest rotary drill

Work on ventilation shafts project at Palabora copper mine set to start soon

By: Ilan Solomons Raiseboring and drilling services group Master Drilling will soon start with the civil construction of a shaft collar on the first of two ventilation shafts for refined-copper producer Palabora Mining Company (PMC) at its mine, in Limpopo, Master Drilling executive director Koos Jordaan tells... 

Work on ventilation shafts project at  Palabora copper mine set to start soon
RD8 RAISEBORING MACHINE Master Drilling designed and built the machine specifically for the Palabora Mining Company project

Newly formed Thebe Turnstone to meet BBBEE thresholds

By: Natalie Greve Thebe Investment Corporation subsidiary Thebe Mining Resources (TMR) has acquired drilling company Turnstone Drilling, driving the group’s strategy of investing in businesses that provide critical services and supplies to mining sector. Turnstone Drilling had an operational fleet of 40 surface... 

Equipment supplier secures diamond, copper and nickel sector contracts

By: Mia Breytenbach South Africa-based drilling equipment supplier Schwalbe Import & Export has obtained three significant contracts with Africa-based mining companies in Botswana, Schwalbe MD Jonathan Betsalel tells Mining Weekly, adding that the company aims to start supplying the products in March or April. “The... 

Africa-focused drill supplier increases international sales

By: Pimani Baloyi Johannesburg-based exploration drilling equipment manufacturer HUD Mining Supplies, which will exhibit at the 2015 Investing in African Mining Indaba, has been increasing its market share outside Africa over the past two years. HUD director and GM Ian Omand tells Mining Weekly that the company... 

Call for greater support for mining industry

By: Pimani Baloyi Richards Bay-headquartered heavy-equipment manufacturer Bell Equipment, which has several large-scale South Africa-based projects in the 2015 pipeline, will exhibit its new B60 articulated dump truck (ADT) mining range at this year’s Investing in African Mining Indaba, which will take place at... 

Company aims to increase African footprint

By: Pimani Baloyi Diversified construction, infrastructure concessions and related services company Group Five will exhibit at this year’s Investing in African Mining Indaba. The company aims to use the indaba to increase its mine plant construction footprint in Africa. Group Five operations director Mark... 

Company incorporates 3D plant modelling and more intelligent P&ID creation into its workflow

Mineral and metals process engineering company Tenova Bateman says its South Africa-based engineers have executed a feasibility study that examined the best way of adding a new flotation process to enable the enhancement of the design and functionality of a phosphorus plant in Limpopo, using... 

Company incorporates 3D plant modelling and more intelligent  P&ID creation into its workflow
Photo by Bateman Engineering
PLANT DESIGN Tenova Bateman has executed a feasibility study using AutoCAD Plant three-dimensional, AutoCaD P&ID and Autodesk Navisworks software

Company to use mining event to demonstrate its product innovation legacy

By: Bruce Montiea This year marks an important milestone for global mineral exploration company Boart Longyear, as it is celebrating its 125th anniversary. The company plans to use the Investing in African Mining Indaba, to be held at the Cape Town International Convention Centre from February 9 to 12, as a... 

Company to use mining event to demonstrate its  product innovation legacy
DRILLING Boart Longyear is a worldwide provider of drilling services, drilling equipment and performance tooling for mining and drilling companies

Drilling company to touch base with African clients at expo

By: Pimani Baloyi Global drilling solutions provider Energold Drilling Corp says it will use the 2015 Investing in African Mining Indaba, which will take place at the Cape Town International Convention Centre from February 9 to 12, to get to know existing and potential clients better and get a sense of the state... 

First-time exhibitor aims to grow market share

By: Pimani Baloyi Johannesburg-based drilling and grouting services provider Rosond, which will exhibit for the first time at the 2015 Investing in African Mining Indaba, says it will use the exposure provided by the indaba to expand its South African and African market. Rosond operations director Ricardo Ribeiro... 

Underground mining platform most active shaft sinker outside China

With 22 active shaft projects under way globally, construction and engineering group Murray & Roberts’ underground mining platform is ranked the most active shaft sinking group in the world, outside of China, says Murray & Roberts Cementation business development executive Allan Widlake. The... 

BME conference contributes to explosives education, information sharing

By: Chantelle Kotze Mining explosives company BME hosted its twenty-second yearly Drilling and Blasting Conference at the Council for Scientific and Industrial Research’s International Conference Centre, in Pretoria, last week as part of the company’s contribution to education and information sharing on blasting... 

BME conference contributes to explosives education, information sharing
FRANCOIS HAY Despite low commodity prices throughout Africa, BME's vision as a group is to create customer wealth by leveraging its knowledge

Sentula sells DRC-based drilling assets amid exploration crunch

By: Natalie Greve Sentula Mining subsidiaries Sentula Mining Services and Senex have inked a deal to offload idle property, plant, equipment and associated inventory held in the Democratic Republic of the Congo (DRC) to Orezone Drilling Mauritius and its DRC-focused drilling subsidiary Orezone Drilling DRC for... 

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