The frozen rocks gave way to scraggly pines, then the forests closed in around them once more.

She could not hunt large animals when the ground was frozen rock hard.

Frantically he sought for purchase with his feet but the frozen rock resisted him.

Footsteps began to crunch across the frozen rock towards the entrance.

In that moment, they became a frozen rock with wings, hurtling earthward.

Key lime pie is tangy, tart and frozen rock hard.

Christopher Pike stood behind it, holding a slab of frozen rock in one shaking hand.

And, for all the fact that the question could not be other than rhetorical, his voice was like frozen rock.

Every day more than 3,000 whole tuna arrive from foreign and domestic waters, most frozen rock solid.

Now, suddenly, the world seemed to realize that there was a Something out on a tiny frozen rock in space.