The part of your question about per ton values I will leave to more knowledgeable posters. As for location, it so happens that an article in the National Post by P.Koven ........Chinese mine takeover may be first of many.........says that the Chinese are experts at building roads and infrastructure which is what the remote territory (35,000 pop. needs)

They are refering to a takeover bid for Yukon Zinc corp.

...."They hve huge amounts of cash in China waiting to be spent, and they've been burned in some other parts of the world like Africa"

......"So a good, stable part of the world is probably the place where they'll want to put their money. And Yukon has open arms.

A few excerpts...

lucky lady