Tailings, also called mine dumps, culm dumps, slimes, tails, refuse, leach residue or slickens, terra-cone (terrikon), are the materials left over after the process of separating the valuable fraction from the uneconomic fraction of an ore.
The active decommissioning of the mill, tailings management area (TMA) and mining areas was completed between 2004 and 2006. Some infrastructure was left in place, allowing site monitoring to continue while allowing Orano Canada to maintain a full-time presence.
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The Company Headquartered in Vancouver, Canada, B2Gold Corp. ("B2Gold") is the world's new senior gold producer. Founded in 2007, today, B2Gold has five operating mines, and numerous exploration and development projects in various countries, including Nicaragua, the Philippines, Namibia, Mali, Burkina Faso, Colombia and Finland.
Ore processing is a 24 hour operation. Ore is stockpiled (1) at the processing plant, and the process begins by feeding the ore into a hopper with a loader. The ore is conveyed, and lime is added (2) to raise the pH of the ore. Following crushing through a jaw crusher (3), the ore is fed into the semi autogenous grinding (SAG) mill (4) along with water and steel balls. The grinding process ...
Ramp-up continues to advance at the high-grade gold Brucejack Mine, and the mine is targeting steady state production for the end of 2017. With the grade ramping up and the mill now exclusively processing stope ore, production of doré and flotation concentrate has increased.
The EXAMPLE Gold Mill is designed to process 500 tonnes per day of ore. The flowsheets are conventional and consist of two stages of crushing, single stage ball mill grinding, cyanidation and a Merrill-Crowe precipitation circuit for gold and silver recovery.
K92 Mining is focused on moving the Kainantu Gold Mine, located in the Eastern Highlands province of Papua New Guinea, towards production. Combined, the management team have been involved in building over 15 mines and $5 billion in buyouts.
The water management considerations discussed are only specific to conventional storage and should highlight why this method is problematic compared to alternative storage techniques that discharge less water to the tailings storage area (e.g. high density tailings disposal, dry stack).
Kirkland Lake Gold is a growing gold mining company targeting over 670,000 ounces of gold production in 2018 from mines in Canada and Australia. Kirkland Lake Gold's solid base of quality assets is complemented by district scale exploration potential, supported by a strong financial position with extensive management and operational expertise.
Barkerville's Cariboo Gold Project mineral tenures cover 2,039 square kilometres; along a strike length of 67 kilometres which includes several past producing placer and hard rock mines, making it one of the most well-endowed land packages in British Columbia. Since the management change in mid-2015, the Company has unlocked the fundamental structural controls of gold mineralization.