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2016 – Mining Magazine Technology Award

2016 – Mining Magazine Technology Award

Dundee Precious Metals Chelopech has been chosen as the winner of the 2016 Mining Magazine Technology award.

The awards are held annually to celebrate outstanding new technologies, innovations and initiatives within the mining sector.

Dundee Precious Metals Chelopech participated with its Crown pillar project.

A summary of the nomination:

Dundee Precious Metals Chelopech team successfully developed a technology to extract the crown pillar left behind between the historical cave zone and the underlying ore bodies where long hole stoping with fill was employed. The biggest challenge was to stabilize the roof of the planned production stopes in the pillar lying beneath 600 m high cave full of unconsolidated rock. The solution was to create an artificial roof above the stopes by consolidating and reinforcing the caved rock. This ensured safe and efficient extraction of 50% of the crown pillar. While there had been few examples of crown pillar extraction in similar underground conditions, the proposed design was a huge success ensuring excellent dilution and recovery at maximum safety.

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