Quebec miner Stornoway Diamonds is investigating a potential new openpit at the Renard diamond mine, which earlier this year transitioned to underground operations. The new openpit being studied is located at the Renard 4 and nearby Renard 9 kimberlites and will supply ore feed earlier in the mine life. Such a pit, the company said on Wednesday, would allow the extraction of about two-million carats of diamonds in the top 140 m of Renard 4.
