When the mine reached a thrust fault which would have required enormous efforts to overcome, the decision was made to cease operations.

It is a thrust fault, meaning the sides of the fault push toward each other.

Known as a thrust fault, it spans about 100 square miles underground.

The difference between a thrust fault and a reverse fault is in their influence.

Although thrust faults do not break the surface, they leave disturbances that tell a story.

There are numerous thrust faults that help create a chaotic mess.

The conundrum was explained by the action of a thrust fault - this being the first to be discovered anywhere in the world.

Like the earthquake today, it was centered about nine miles beneath the surface and occurred on a thrust fault.

This was the first thrust fault to be discovered.

Largely located within and around the park's thrust faults.