Deepest mines in Canada

Mining deeper has always

been synonymous with

challenges. In 1905, 150

.metros was considered

deep for Canada; by 1935, this classifica-

tion had been pushed to 1,500 metres,

and today 3,000 metres is a more com-

mon benchmark. Elsewhere, mines

greater than 4,000 metres are considered

ultra-deep.

Canadian mining journal October 2019 Stephen Hardcastle

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