The map shows where to find the Argyle formation Credit: Not known, clear with picture desk Nuna is the oldest known supercontinent that came together about 1.8 billion years ago.

Look at any map of the Atlantic Ocean, ... Go back even further, about 1.4 billion years or more, and the crustal shards had arranged themselves into a supercontinent called Nuna.

The research team found that the Argyle deposits were 1.3 billion years old, from a time when an ancient supercontinent, known as Nuna, was breaking up into fragments.

And all the land was squashed up together in the Nuna supercontinent. Even the continent we know as Australia today was, back then, a handful of smaller "continental blocks".

Researchers then determined that when Nuna broke apart an estimated 300 million years afterward, that chunk of land did not drift away. It instead became a new piece of real estate permanently ...

Nuna was a supercontinent that geologists believe existed from approximately 2.5 to 1.5 billion years ago. Now, there's new evidence as to how its various pieces once fit together – Australian ...

The map shows where to find the Argyle formation Credit: Not known, clear with picture desk Nuna is the oldest known supercontinent that came together about 1.8 billion years ago.