These are perfect places to do heavy industry, and in fact that's what happens now https://www.nytimes.com/2017/07/01/us/politics/american-companies-still-make-

These are perfect places to do heavy industry, and in fact that's what happens now https://www.nytimes.com/2017/07/01/us/politics/american-companies-still-make-aluminum-in-iceland.html https://www.nytimes.com/2017/07/01/us/politics/american-comp... Hydrogen production is another possible use in addition to aluminum. Renewable energy like that provided by Iceland is a relatively rare and precious resource