What supercontinents existed before Pangaea?

Firstly, I do not know why you are still averse to the thought of Pangaea existing at some point in the history of the Earth. There are plenty of evidences that are rather conclusive and none of them (at least according to me) is minor. read more

Firstly, I do not know why you are still averse to the thought of Pangaea existing at some point in the history of the Earth. There are plenty of evidences that are rather conclusive and none of them (at least according to me) is minor. I’d like to list them out before you actually get the list of supercontinents from this answer. read more

Classified as the earliest known landmass, Ur was a continent that existed three billion years ago. While probably not a supercontinent, one can argue that Ur was a supercontinent for its time as it was possibly the only continent on Earth, even if it was smaller than Australia is today. read more

While Vaalbara likely existed from about 3.6 to 2.8 billion years ago, at which point is cratons were broken apart, Ur formed roughly 3 billion years ago and actually survived in tact as part of larger supercontinents until the break-up of Pangaea only 200 million years ago. read more