The United States may be the front-runner in shale production, but other countries, most notably Argentina, are taking the necessary steps to compete with the U.S. in producing shale oil and natural gas.

Contrary to popular belief, there are vast amounts of shale resources that exist around the world. In fact, 90% of all natural gas shale resources are outside the United States. So why isn't more energy being pumped into the market?

In the following episode of The Motley Fool's Where the Money Is, analysts Joel South and Taylor Muckerman point out that the size of the shale resources isn't always what's important for development -- you need more than geology to tap these resources.