この場所が何であるか
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.
産出物

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.
「副産物」とは、意図して探したわけではなく、たまたま同じ岩石中に含まれていたために回収される金属のことだ。したがってその供給量は、当該金属自身の需給ではなく、主要金属の経済性に左右される。
所有者
事業者の公表情報に基づく。大規模鉱山の所有権は変動するため、利用前に最新の企業開示資料で確認すること。