What this place is
Sudbury exists because an asteroid struck here 1.85 billion years ago and melted the crust. The metal was concentrated by the impact — the only major orebody with that origin story.
What comes out
Nickel
A silvery metal that resists rust, which is why it goes into stainless steel — and, more recently, into the cathodes…
Copper
The reddish metal that carries electricity better than anything except silver, and which humans have been smelting…
Cobalt
A hard, bluish metal that keeps a battery's cathode stable so it does not overheat, and that holds its strength when…
Palladium
Platinum's cheaper cousin for most of the twentieth century, then briefly more expensive than gold because petrol…
Platinum
A dense, unreactive metal that speeds up chemical reactions without being consumed by them.
A “by-product” is a metal recovered because it happens to be in the same rock, not because anyone went looking for it. Its supply therefore follows the primary metal’s economics, not its own.
Who owns it
As publicly reported by the operators. Ownership of large mines changes; verify against current company filings before relying on it.