Siccar Point

Hmm.

Hutton spent a lot of time looking at rock formations across Scotland, particularly places like Siccar Point.

Siccar Point is really famous for something called an unconformity.

Yeah.

So imagine looking at a cliff face.

It just means the slow processes we see operating today are the exact same processes that shaped the Earth over its entire history.

No sudden massive catastrophes needed, just deep time.

He looked at Siccar Point and famously wrote that he saw, "No vestige of a beginning, no prospect of an end."