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GeoResources - Mining, Tunnelling, Geotechnics, Energy - News, Events and Journal

22.02.2021 (416 Clicks)

Nornickel to build LNG Plant to cut Emissions

Nornickel, headed by Vladimir Potanin, has announced plans to build a liquefied natural gas (LNG) plant in place of its obsolete nickel factory in the Arctic. This fits in the group's focus on its ambitious environmental goals and serves as an example that the mining giant is all-in in a bid to step up its green game.

 

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18.02.2021 (466 Clicks)

Minera Centinela awards Hatch EPCM Contract to implement Integrated Operations Management Project

With this project in Chile, Minera Centinela will lead the way in operation management at a global scale

 

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18.02.2021 (569 Clicks)

Greener Tunnelling for London’s super Sewer

The Thames Tideway Tunnel reached a significant milestone as the final tunnel boring machine (TBM) Selina broke ground to the east of Chambers Wharf on 8 January.

 

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16.02.2021 (431 Clicks)

Track Laying began on City & Southwest Project

The first track has been laid at Chatswood for Sydney Metro’s City & Southwest project, extending the driverless railway network from the north west, into the city and beyond.

 

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16.02.2021 (558 Clicks)

The World needs Qld's critical Minerals to support Transition to Renewables

The adventures of Indiana Jones have nothing on Queensland’s current crop of intrepid explorers, who are literally going to the far ends of the state’s north and north-west to discover the critical minerals needed to lower world carbon emissions.

 

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12.02.2021 (506 Clicks)

Cimic’s UGL to be awarded Country Regional Network Contract

Cimiv Group’s UGL has been confirmed by Transport for New South Wales (TfNSW) as the successful bidder for the operation and maintenance of rail infrastructure for the Country Regional Network.

 

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12.02.2021 (613 Clicks)

Cimic’s UGL secures in Maintenance Services Contract Extensions

UGL, a Cimic Group company, has secured several maintenance contract extensions in the power sector.

 

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12.02.2021 (542 Clicks)

Boliden´s Mineral Resources and Mineral Reserves 2020


The Mineral Resources and Mineral Reserves situation in Aitik, Garpenberg and Kevitsa is stable. During the year, exploration continued to be successful at the Tara Deep mineralization and Mineral Resources in the Boliden Area increased as a result of exploration at the Rävliden deposit.

“We have a stable situation in our major mines, and developments are advancing in Tara and the Boliden Area. Naturally, the fact that we've begun underground drilling in Tara is very good news," says Stefan Romedahl, President, Business Area Mines.

The cost of exploration in 2020 was SEK 504 m (570). Some exploration activities were affected by restrictions related to Covid-19.

Aitik
No large-scale exploration is currently in progress in Aitik, however, mining preparation work is continuing with the Liikavaara deposit, around 3 km northwest of Aitik. Exploration and evaluation is also in progress at the Nautanen deposit, around 15 km north of Aitik. Mineral Reserves in Aitik, including Liikavaara, increased by 165 Mtonnes (14%) while Mineral Resources fell by 210 Mtonnes (19%). Design changes and a refined cost model have allowed the Mineral Resource to be converted to a Mineral Reserve. 42 Mtonnes were milled during 2020. New estimations of resources in Nautanen during 2020 showed an increase of 5.7 Mtonnes (36%).

The Boliden Area
In the Boliden Area, exploration at the Rävliden mineralization in Kristineberg continued. Drilling, test mining and metallurgical testing were carried out during 2020 and a new Mineral Resource estimation has shown an increase in the Mineral Resource by 2.7 Mtonnes. The Mineral Reserve increased in Renström but fell in Kristineberg and Kankberg. In all, the Mineral Reserves fell by 1.2 Mtonnes (9%), which is less than milled during the year (1.6 Mtonnes). The Mineral Resource increased by 2.7 Mtonnes (12%).

Garpenberg
Garpenberg has good advance planning with Mineral Resources and Reserves. Exploration and studies were successful during the year and the Mineral Reserve increased by 14.7 Mtonnes (20%). In Garpenberg, 3.0 Mtonnes were milled during 2020. Exploration in Garpenberg has contributed as much as was mined in 2020, but by promoting such large tonnages to Mineral Reserves, Mineral Resources have been reduced by 6.4 Mtonnes (9%).

Kevitsa
In Kevitsa, the Mineral Reserve decreased by 12 Mtonnes (9%), 9.5 Mtonnes of which was mined during the year. Design changes, including wider ramps and higher cut-offs for the next two years, have caused the remainder of the reduction. Conversely, the Mineral Resource increased by 22 Mtonnes (14%). New borehole information and a new geological model are the most important factors behind this increase.

Tara
Exploration at the Tara Deep mineralization continued with drilling from the surface, while drifting is underway toward Tara Deep at a depth of around 1000 meters. Drifting has progressed far enough that drilling toward Tara Deep has begun from underground. Drilling from the surface has been successful and Tara Deep is now estimated to include 26 Mtonnes of inferred Mineral Resources, compared with 22 Mtonnes in 2019, which has also contributed to an increase in Tara's total Mineral Resource of 4.7 Mtonnes (16%). Meanwhile, work on improving the geological models of the mineralization and designing stopes in the Tara mine continues. Together with the contribution from drilling, this has resulted in the replacement of the entire year's mining output of 2.3 Mtonnes and an increase in the Mineral Reserve of 700 Ktonnes (4%).

Calculation of Mineral Resources and Mineral Reserves, 2020
Boliden follows the recommendations of the Swedish Mining Association (SveMin) for reporting exploration results, Mineral Reserves and Mineral Resources and strives to report according to the Pan-European Reserves and Resources Reporting Committee (PERC). The PERC standard has clearer requirements for documentation and the competent persons who must evaluate the information that companies report. The transition to the PERC standard is a process that takes place during a transitional period until the company has had time to switch to using the PERC standard. As far as possible, this review is carried out in compliance with the PERC standard, but the reporting does not claim to be completely in accordance with the regulatory framework. All summarizing reports for Mineral Resources and Mineral Reserves per project and mine are reviewed and approved by competent persons presented in the relevant report. This summary of Mineral Resources and Mineral Reserves has been reviewed and approved by Gunnar Agmalm, Competent Person and Head of Ore Reserves and Project Evaluation, Boliden, which is a member of The Australasian Institute of Mining and Metallurgy (AusIMM) and The Fennoscandian Association for Metals and Minerals Professionals (FAMMP), both of which are approved organizations for competent persons according to PERC.

 

Planning prices   

Long-term prices 2020  

Change compared to 2019

Zinc  

USD 2,400/metric ton  

 

Copper  

USD 6,600/metric ton  

 

Nickel  

USD 16,000/metric ton  

 

Lead  

USD 2,100/metric ton  

 

Gold  

USD 1,300/tr. oz  

+100

Silver  

USD 17/tr. oz  

 

Palladium  

USD 1,200/tr. oz  

+200

Platinum  

USD 1,000/tr. oz  

 

Cobalt  

USD 20/lb  

 

Tellurium  

USD 30/kg  

 

Molybdenum  

USD 8/lb  

 

USD/SEK  

8.0  

 

EUR/SEK  

9.35  

 

EUR/USD  

1.17  

 

Source: Boliden



Boliden, Mineral, Resources, Mineral, Reserves, 2020, Minerals, Metals, Mining, Exploration

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12.02.2021 (491 Clicks)

Metso Outotec launches global Training Certification Program for Services Professionals

Metso Outotec starts an integrated competence development, called Services Certification Program, which is targeted for the company’s service employees working on site. Metso Outotec has an extensive footprint of over 3000 Field Services professionals and additional support resources close to customer operations. The certification training program has been designed to validate and develop their employees’ knowledge and skills at servicing their respective products and technologies.

 

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11.02.2021 (473 Clicks)

Fugro’s virtual 3D Network Model helps keep Powerlines safe in Tasmania

TasNetworks has awarded Fugro a new contract to deliver a 3D virtual network model and associated analytics for their power distribution network in Tasmania, Australia. Fugro started the project to acquire data in December 2020 and delivered the first datasets to TasNetworks last month.

 

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