ocean floor
ocean bed

Most of the ocean floor is less than 100 million years in age.

The ocean floor at that point is nearly three miles down.

He could make out the ocean floor a long way below him.

At some points I could see the ocean floor - we were that close to the water.

Some ocean floor rocks are well over 100 million years old.

They really did, you know, and not all of it ended up on the ocean floor.

Half the creatures in front of him should have been left on the ocean floor, he thought.

It was over ten thousand feet to the ocean floor.

He'd sink to the ocean floor in under a minute.

However, this sludge does not always stay on the ocean floor.

"Can we have a look at your ocean floor charts?"

They are also the deepest parts of the ocean floor.

Similar patterns have since been discovered on the ocean floor, 12,000 feet deep.

His contributions to the study of the ocean floor date back many years.

"Looking for anything on the ocean floor is very difficult, because you are working blind," he said.

For a long time, women were not allowed in the submarine, and I needed to go down to the ocean floor.

The best analogy I can come up with is a map of the ocean floor.

"And what will it matter to me, to live on the ocean floor?

But he added, "Most of the ocean floor is really pristine."

Marine snow is the basis of much life on the ocean floor.

He had all these magnetic measurements of the ocean floor.

After two hundred million years, the ocean floor is wiped clean.

However, the monster's heart continues to beat on the ocean floor.

Here, perhaps, all the ocean floor material has been carried up into the mountains.

Scientists once believed that the ocean floor was rather uniform.

Once, this must have been a lake or an ocean bed.

Only in the last century scientists were saying that there could be no life at all on the ocean bed.

Surely they must be well below the ocean bed now.

She swam away and down to the ocean bed with him, laughing.

The earthquake killed some, and the rest died for want of water after the ocean bed rose to the air.

They had to return to the ocean bed as quickly as possible.

He saw the first charge plunge into the water on his right and fall towards the ocean bed.

Once more the Advance settled to the ocean bed, near the wreck.

"We have planted them in different spots on the ocean bed.

Reaching bottom, he prowled about the ocean bed for a while, then started up again.

It can lie there on the ocean bed until the sun grows old."

The plateau beneath them had once been ocean bed.

Gillian reduced the first image, and pulled up a 3-D map of the ocean bed.

And then, later still, after the boats had gone, the dead would rise from the ocean bed and walk on the water.

He supposed that it was free living protoplasm, covering a large part of the ocean bed.

He came in when the lads were at a low ebb somewhere on the ocean bed.

The ocean bed holds many secrets, so do the jungles of the Amazon.

I feel sure that his knowledge of the ocean bed will be invaluable to us in seeking out these terrible creatures.

Once they were on the sand, an iron rod was thrust into the ocean bed near each object.

The concrete figures are situated on the ocean bed at around a depth of 9 meters.

The ocean bed was a maze of fissures and ravines.

He managed to get within four miles, and then the signal was lost in the confused maze of echoes from the ocean bed.

However, the drums are still on the oceans beds, and many are starting to leak.

In the following months he speculated that as the land was uplifted, large areas of the ocean bed subsided.

However, nothing is known about the long-term environmental consequences - or even effectiveness - of using the ocean beds as dumps.