I picked my way over the floor searching for the rock fragment.

Then, the air must be able to carry the rock fragments to surface.

Apart from the mineral content, rock fragments may also be a significant component.

Lot of rock fragments all, jammed together, holding it in place!

Still nothing but pebbles and rock fragments in the screen.

Some of the brecchias and rock fragments will also be scattered far away.

He had seen it before, but taken it to be a rock fragment.

The size of the rock fragments were big enough to kill someone instantly.

Every week some one gets wounded by rock fragments.

The temperature of the rock fragments can range from cold to incandescent.