It was a chunk of rock protruding from the ice.

He bumped against a rock protruding from the wall and came to his senses.

Big brown rocks, they protruded from the water like a row of shark's teeth.

At last she found a patch of blue-black rock protruding through the ice walls.

She picked out two rocks protruding side by side from the water and planted her feet on them.

He helped her up a small steep incline, where rock protruded from a hillside.

Miles up the mountain, two children about 6 years old scampered across the smooth rocks protruding from a small stream.

He spotted a rock protruding from the muck and chose that as a stopping place.

Two cairns sit upon the highest area, where rocks protrude through the turf.

We had enought of that one, thank you... He looks around and spots a small rock protruding from the wall.