And always to areas where the ocean floor dropped dramatically; great fissures in the rocky crust.

We have to see a great, dramatic fissure in the sky before we begin to take danger seriously.

Right across the floor, close to the feet of two huge pillars a great fissure had opened.

One has a great fissure made white by an icy spring that is said to be the frozen tears of a dragon.

They had not gone very far when they came upon a great fissure that yawned suddenly black before their feet.

Or a great and dangerous fissure, which we should not be able to cross without going a long way round?

They look and see the light is coming from a great fissure in the wall--opened by the last ice fall.

The ground shifted and cracked, as a great fissure opened beside her.

The white leapt upon the red and a great fissure began to open up, sending smaller seams along the stone.

A great fissure goes across it from left to right.