Recovery of Minerals




The Government of Ontario announced its intention to allo…

Industrial Sector(s)

Document Type



History of Changes

7 Oct, 2021

Mine tailings and waste have historically been viewed as having limited economic value. However, with emerging technologies and the global priority on critical minerals, there is growing interest from industry to extract value from and further recover minerals. The ministry notes that tailings and waste at current operating, closed or abandoned mine sites in Ontario can house valuable minerals, including critical minerals, that are drawing geopolitical and economic interest.
Under the current...

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