Modern Mining

Reporting on the three-month period to 31 March 2018, ASX-listed Resolute Mining says that the Syama Underground mine development remains on schedule for first sublevel cave ore production to commence in December 2018.

Underground development at Syama (photo: Resolute).

The Syama mine is located in the south of Mali, West approximately 30 km from the Côte d’Ivoire border and 300 km south-east of the capital Bamako. It is a large-scale operation which comprises two separate processing plants: a sulphide processing circuit and an oxide processing circuit.

Mining at the main Syama open pit was completed in May 2015. Ore for the sulphide circuit is currently being sourced from stockpiled material, sulphide ore from the northern satellite orebodies, remnant ore from the Syama main pit, and underground development ore. Ore for the oxide circuit is provided by open-pit mining of a series of satellite orebodies. The new underground operation will extend the mine life at Syama beyond 2028.

During the quarter, underground development commenced on the fourth production level (the 1055 level) and underground development ore production continued from the first and second production levels (the 1130 and 1105 levels). In all, 64 448 tonnes of underground development ore at a grade of 3,0 g/t was delivered to the processing plant during the reporting period.

The second primary ventilation raise bore from the 1290 to the 1140 level was completed during the quarter. The Autonomous Decline has reached the 1035 level, and the Main Decline has reached the 1055 level.

Both fan chambers are being prepared for construction of the primary fans, and development of the 1240 and 1105 main pump chambers has been completed in preparation for pump station construction.

Development rates continue to maintain progress in line with expectations. Advance slowed in the March 2018 quarter as work focused on establishing a number of items of key underground infrastructure. The incline is due to break through into the boxcut in the September 2018 quarter. Development ore will continue to augment the stockpiled sulphide material and satellite open-pit sulphide sources.

“The Syama Underground mine is making steady progress towards the final goal of a world class sublevel cave operation,” comments John Welborn, Resolute’s MD and CEO. “Completion of the Syama Underground mine will take total site production from Syama to levels above 250 000 ounces of gold annually.”

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