Vancouver – Initial metallurgical test work on the Vault gold deposit in Nunavut shows a 92% recovery rate for owner Cumberland Resources (CBD-T).
Located 70 km north of the Hamlet of Baker Lake, the Vault deposit hosts an inferred resource of 7.47 million tonnes grading 3.9 grams gold per tonne.
Prefeasibility studies, completed 18 months ago on the original four Meadowbank gold deposits, concluded that initial gravity separation followed by flotation-concentration and on-site leaching produced 92.4% gold recovery rates. Metallurgical composites from the new Vault deposit have yielded average flotation gold recoveries of 87.1%. Using gravity-flotation processing the recovery rate jumps to 92.1%.
The addition of the Vault deposit increased the project’s total resources by 50% since the completion of pre-feasibility studies. Scoping-level economic studies to assess the impact of the additional inferred resource at the Vault deposit are nearing completion.
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