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MEI Online: Plant Operation News: Africa: December 19th 2018


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:: Roxgold Announces Under Budget Completion of Bagassi South Project


Roxgold Inc. is pleased to announce that the Bagassi South Project has been completed under budget and on schedule with the successful practical completion of its process plant expansion.


  • Completion of Bagassi South project on schedule and approximately 10% or US$2.8 million under budget;
  • Achieved practical completion of the processing plant expansion;
  • Continuing ramp-up of the Bagassi South mine during the first quarter of 2019; commercial production is expected to be achieved in the second quarter 2019;
  • Regional exploration drilling has commenced on the Kaho prospect located to the south of Bagassi South.

"We have marked yet another significant milestone in providing growth and value to our shareholders with the successful completion of our internally funded Bagassi South project, which has been completed on schedule and under budget," said John Dorward, President and Chief Executive Officer of Roxgold. "We are now looking forward to increasing production at Yaramoko and ramping up to full capacity at both the process plant and Bagassi South where we expect to deliver approximately 150,000 ounces of gold from our Yaramoko operations in 2019."

The plant expansion increases capacity by nearly 50% from 270,000 tonnes per annum ("tpa") or 750 tonnes per day ("tpd") to 400,000 tpa or 1,100 tpd. The expansion maintains the simple and robust design philosophy that was implemented originally at the Yaramoko plant which has generated recoveries in excess of 98%. The following upgrades were implemented to facilitate the additional throughput and gold recovery:

  • A secondary crushing circuit with a throughput of 100 tonnes per hour;
  • Conversion of the SAG mill to a Ball mill;
  • Expansion of the carbon-in-leach (CIL) circuit, consisting of two extra adsorption tanks and an additional thickener;
  • Expansion of the gravity circuit designed to recover 70% of head grade consisting of an additional Acacia leach reactor and two electrowinning cells; and
  • Additional raw water storage and power reticulation infrastructure.

Mine development has commenced at Bagassi South, the second high grade underground mine at Yaramoko, with approximately 668 metres of development completed as of the end of November 2018. As previously reported, first development ore was delivered to the ROM pad in October on schedule. Ramp-up of the mine will continue during the first quarter of 2019, with commercial production expected to be achieved in the second quarter of 2019.




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