No one reported seeing any material brought down, and I'm sure it isn't a simple layer of melted rock.

This melted rock, which is less dense than the crust above it, rises to the surface.

There are holes in mountains where melted rock flows up.

In the case of a volcano, it also releases melted rock that vents as lava.

Without melted rock to carry heat away from the nose, the nose itself would melt.

The tribe must move away from here, or we'll be drinking melted rock instead of water before long.

"Just dreams," he said in a distracted voice, his eyes never leaving the machine, topped by its melted rock.

Finally all that's left behind is a low-density layer of melted rock and sand.

Impact craters produce melted rocks as well, but usually in smaller volumes with different characteristics.

For many kilometers the channel of melted rock ran northeast without changing.