Yet the rock formation looked as though it had been in place for years.
He pulled to a stop in front of the rock formation.
Most of academic society believe the rock formation is created by nature.
But it looks a little too regular to be a rock formation.
Also a large and unique rock formation can be found at the mouth of the river.
So many of them, he thought, landing on a rock formation.
Father pointed at the rock formations in front of us.
This was the last period of rock formation in Scotland.
The rock formation that had attracted my attention was across the other side.
Suppose you're looking at a rock formation and see in it what seems to be the word "help."
Wörterbuch für Geologie