There's beena a lot of dicussion lately about so-called peak gold.

But as gold's fans will tell you gold isn't a commodity, it's a form of money. Gold isn't actually intended to be used in anything.

But what about metals that are meant to be used in industrial purposes.

In an excellent presentation, André Diederen presents an argument that all of the world's important industrial metals are dwindling, and that despite increasing explortation budgets, our sources of them are becoming rare and more concentrated.

We present, via The Oil Drum, Diederen's presentation Global Resource Depletion: Metal minerals scarcity and the Elements of Hope.

