1.7-Billion-Year-Old Chunk of North America Found Sticking to Australia.
Researchers believe Australia was part of North America 1.7B years ago
Geologists tend to agree that, billions of years ago, the configuration of the continents was very different. How exactly they all fit together and when is a bit more of a puzzle, the pieces of which can be put together by studying rocks and fossils.
Now researchers have found a series of rocks that show something surprising: part of Australia could have once been connected to part of Canada on the North American continent, around 1.7 billion years ago.
Actually, the discovery that the two continents were once connected isn't hugely surprising. Speculation about such a connection has existed since the late 1970s, when a paper proposed a connection dating back to the continent of Rodinia, around 1.13 billion years ago. However, an exact time and location for the connection has remained under debate.'>>>
https://www.geologyin.com/2018/01/17-billion-year-old-chunk-of-north.html?
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