Large chunks of rock are taken off and the basic shape is formed.

On a chunk of rock just big enough to be called an island, Wall set up his equipment for the last time.

Slowed by the water, the chunks of rock had no effect.

That is why some dirt has chunks of rock in it, too.

But the ragged chunks of rock were too large for her.

Big chunks of rock caught at his feet as he held on to the shell.

He spent weeks working on the 450-pound chunk of rock.

Some large chunks of rock fell, but most was fine grains.

The main screen is hit by a flying chunk of rock.

This thing is just a chunk of rock with some gas around it.