Concrete petrography applications – an overview

Concrete petrography applications – an overview

Concrete petrography is the description of the physical and chemical composition of concrete and is vital in all phases of construction and especially post-construction in order to determine the causes of concrete structure failures, writes Dr Nicolaas C Steenkamp.

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Case study: Tarkwa gold mine, Ghana

Case study: Tarkwa gold mine, Ghana

Problems with the valves can lead to unplanned downtime and equivalent losses in output, which is why saving on valves can end up being expensive. With the help of Metso’s service experts, the Tarkwa mine has been able to achieve consistent reliability, leading to improvements in the plant’s overall efficiency.

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Helping mines find real source of water nitrates

Helping mines find real source of water nitrates

The issue of water quality has become topical in the aftermath of the contamination in the Olifants River catchment in Mpumalanga over recent decades.

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Unrealistic expectations fail projects

Unrealistic expectations fail projects

By Wray Carvelas, CEO of DRA Global

Across the world investment appetite seems to be returning to our sector as investors look to unlock the untapped potential the global mining and minerals landscape has to offer.

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