By early July they were about 30 miles into the ice and could go no further.

They are believed to be caused by an impact into ice.

I felt like the moonlight had just turned into ice.

Down on the pack the two men were moving into the broken ice.

This pressure turns the lower parts of the snow into ice.

As she watched, his eyes seemed to freeze into green ice.

Frozen into the solid ice, was the body of a man.

From the Master's last message, it sounds as though they are into big ice.

I stopped short and felt the eager natural wind turning my eyes into ice.

Some scientists drill into the ice to find out about the weather long ago.