May 17, 2020

Shanta Gold to Extend Life at New Luika Mine in Tanzania

Shanta Gold
African mining
Elution and Electro-Wining Circ
Admin
2 min
Part of the New Luika site, Tanzania
Shanta Gold has announced its intention to begin a drilling campaign in a bid to extend the life of its flagship New Luika mine in Tanzania.The Guernsey...

Shanta Gold has announced its intention to begin a drilling campaign in a bid to extend the life of its flagship New Luika mine in Tanzania.

The Guernsey-based gold production and exploration company has also fully commissioned and is successfully operating a new Elution and Electro-winning circuit, immediately boosting production efficiency.

Shanta has embarked on 2,920 metre-drilling programme which it expects to complete within the month, with the aim of upgrading additional resources from inferred to indicated. Other exploratory drilling will take place at its Illunga target to establish if the high grade ore body is open at depth.

Seven holes have been completed to date at Luika with positive mineralisation noted in all holes.

The Elution and Electro-winning circuit has provided immediate dividends, improving gold recoveries by two percent and silver recoveries by 40 percent, bringing in an estimated extra $1.5 million in revenues.

Mike Houston, CEO of Shanta, commented on both breakthroughs. He said: “"The commissioning of the Elution and Electro-winning plant is an important step in de-bottling this section of the process and the impact that has already been seen in terms of improving recoveries is very pleasing.

“Together with the soon to be commissioned crushing circuit, this gives Shanta a robust operation that has the capacity to increase throughput substantially.

“We are also making good progress on the Life of Mine extension project and the current drilling program is a key factor in further increasing the confidence level in the underground resource. Although it is still early days, the strong mineralisation seen in the holes drilled at Luika is very encouraging."

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May 13, 2021

BHP, Rio Tinto & Vale launch Charge On Innovation Challenge

BHP
Vale
Rio Tinto
Charge On Innovation Challenge
3 min
BHP, Rio Tinto & Vale launch 'Charge On' Innovation Challenge - a competition for tech innovators to reduce truck emissions via electrification

Mining giants BHP, Vale and Rio Tinto have launched the 'Charge On' Innovation Challenge to solve one of the biggest challenges the industry faces today - decarbonising mining operations.

'Charge On' Innovation Challenge

In partnership with Austmine, Australia's leading mining equipment, technology and services industry association, founding patrons BHP, Vale and Rio Tinto have launched the competition to encourage technology innovators to develop new concepts for large-scale haul truck electrification systems. The main goal is cutting emissions from surface mining operations.

“The mining industry needs to be at the forefront of tackling the climate challenge. The Charge On Innovation Challenge is a great example of the current collaborative work being done by the mining industry and mobile equipment manufacturers to decarbonise mining fleets,” the trio said in a media statement.

“In addition to providing a zero-carbon energy source, the conversion of mobile mining equipment to battery-electric can potentially unlock value, as electric motors have fewer moving parts when compared to standard equipment.”

A number of non-traditional mining sector vendors are actively developing technologies that can assist in mine electrification. By submitting a Challenge to the market, the Patrons of Charge On expect to:

  • Demonstrate there is an emerging market for charging solutions in mining
  • Accelerate commercialization of solutions
  • Indicate to suppliers, the mining industry seeks interoperable solutions
  • Maintain multiple actors and competition in the supply chain
  • Integrate innovations from other sectors into the mining sector

"We expect some solutions identified in the Challenge could provide propulsion to existing diesel-electric trucks. This may present a pathway to early implementation for dynamic charging solutions," the trio said.

Charge On

Paris Agreement

Found patrons BHP, Vale and Rio Tinto are pledging their commitment to fighting climate change:

"The mining industry has an important role to reduce emissions and do our part to achieve the Paris Agreement goals to limit the impacts of climate change."

The Charge On Innovation Challenge asks vendors to present interoperable solutions that can safely deliver electricity to large battery-electric off-road haul trucks in a way that maintains or improves current productivity levels. Specifically, mechanisms capable of delivering in the order of 400kWh of electricity to each truck within a haul cycle (ie load, travel, dump, return, queue). The delivered electricity is to charge a battery, and if applicable directly propel the truck.

Austmine CEO Christine Gibbs Stewart commented: “We expect the Challenge will attract companies from a broad range of sectors including mining, automotive, aerospace, agriculture, and defence to deliver selected charging concepts to create a standard product that can interface with all trucks."

More information about the challenge will be released on May 18.

Electrification

The competition echoes growing efforts being made across the industry to tackle emmissions and promote electrification. In march this year, the Electric Mine Consortium was launched. It's founding members include Gold Fields, Dassualt Systemes and Sandvik who pledged their commitment to decarbonising mining operations.

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