Frontier: where no man's foot has stepped before. Wilderness. Out there. Where no noise, other than the wind, can be heard and the romanticism of pioneering discovery drives us forth.

This is where exploration geologists love to go to find the next ‘big one'. Well, it better be big, if it is out there. And sometimes, even when big, and even huge - it will remain there, locked in the wilderness.

When Udokan, the reclusi...