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Mining & minerals

Mining & minerals sector is involved in the extraction of valuable minerals or other geological materials from the earth, from an ore body, vein or (coal) seam. Materials recovered by mining include base metals, precious metals, iron, uranium, coal, diamonds, limestone, oil shale, rock salt and potash.

Engineering News

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Chilean Miners Rescued With Help From Engineers

On August 5, 2010, the San José copper-gold mine near Copiapó, Chile collapsed, leaving 33 men trapped more than 2,000 feet below ground.

Sixty-nine days later (a record period of time for surviving underground), all 33 of the miners were rescued.

The miners spent 17 days underground before making contact with the outside world. But once they did, engineers had to race to devise an escape shaft that could reach so deep underground – and safely, without harming the men trapped below. In the meantime, teams of rescue specialists worked to make sure the miners stayed healthy and fed.

Engineering Projects

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Rising acid mine water could be 'catastrophic' for Johannesburg

Millions of litres of highly acidic mine water is rising up under Johannesburg and, if left unchecked, could spill out into its  streets some 18 months from now, Parliament's water affairs portfolio committee heard on Wednesday.

The acid water is currently about 600 metres below the city's surface, but is rising at a rate of between 0,6 and 0,9 metres a day, water affairs deputy director water quality management Marius Keet told MPs.

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Matriculants who are interested in Engineering and have a C symbol for Maths, Science & English can apply to Eskom for scholarships. Closing date is November 2011. Click here to read more information and to download the bursary form.



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Dr Oswald Frank

Dr Oswald Franks is the Chief Executive Officer of the Engineering Council of South Africa (ECSA), which is the official body dedicated to the promotion of engineering in South Africa.  Read more about Dr Franks’ world here or visit www.ecsa.co.za or www.saimeche.org.za

 

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Many current and future medical innovations, such as prosthetic vein valves and nanotech sensors that detect blood glucose concentrations, result from interdisciplinary research led by mechanical engineers.