Geological evidence for such an event is thus far lacking.

Geological evidence proves beyond doubt that it is three million years old.

Geological evidence indicates that the Earth is approximately 4.6 billion years old.

The events have been identified through oral tradition and/or geological evidence.

But I never believed that - and now we've been able to date it positively, from local geological evidence.

There is no geological evidence about the origin of echinoderms.

Geological evidence is also limited, and no palaeotsunami specific studies have been carried out to date.

Some research and laboratory experiments explore possible mechanisms, but there is little related geological evidence.

For this other geological or geophysical evidence is needed to remove the ambiguity.

All the geological and plant-fossil evidence shows that the Mediterranean did not dry out during the last ice age.