Even with its heavy track, the machine wouldn't get far in the volcanic terrain.

Even earlier-what would be mined in volcanic terrain except sulfur?

This is nothing more than a typically volcanic terrain.

Pyroclastic dragons are best described as unpredictable and destructive, much like the volcanic terrain they inhabit.

It was so named by him because of the black volcanic terrain which entirely surrounds the pond.

Despite the volcanic terrain, some of the areas contain protected wildlife.

The coming years should provide more data and increase our ability to interpret ground movements of volcanic terrain.

Mostly composed of soft volcanic terrains, it is the most fertile area of the island.

Almost the entire length of the crossing is in volcanic terrain with no vegetation and fully exposed to weather - at considerable altitude.

Lava flows represent another major volcanic terrain on Io.