“Unveiled Secrets: How Tasmania is Hiding a Stunning Piece of the Grand Canyon’s Mystique!”
Have you ever wondered how a rock in Tasmania can have a sibling staring down from the depths of the Grand Canyon? Strange as it sounds, recent discoveries have revealed that these two geographical giants were once part of an ancient supercontinent called Rodinia, linked together millions of years ago. That’s right! Geologists in Tasmania were thrilled to stumble upon rocks with a geochemical makeup that mirrors those found in Arizona’s iconic canyon. This astonishing find opens a window into Earth’s prehistoric past, allowing scientists to piece together a jigsaw puzzle of tectonic movement and continental drift. So grab your metaphorical hiking boots, as we take a fascinating journey through time to understand how Tasmania and the Grand Canyon share a deeper connection than we ever imagined. Curious to dig into the details? LEARN MORE.
“It’s really a good link and tie that allows us to build full plate models of the ancient Earth.”

Wikimedia CommonsThe Grand Canyon.
Geologists in Tasmania — an island off the coast of Australia — were stunned to discover rocks that contained a geochemical make-up identical to those rock layers in the Grand Canyon.
Researchers at Monash University in Melbourne published their findings in Geology in which they concluded that at one point, the island of Tasmania was connected to the Western United States.
The study’s abstract reads:
“We propose correlation of the Unkar Group (Grand Canyon, Arizona, USA) with the upper Rocky Cape Group (Tasmania, southeast Australia) based on their similar stratigraphy… depositional age, and… isotope composition. This correlation places Tasmania adjacent to southwest Laurentia in the late Mesoproterozoic, which supports a new paleogeographic model for Rodinia.”
Although Tasmania and the Grand Canyon are about 8,500 miles apart today, they were actually once connected as a part of an ancient supercontinent known as Rodinia, as this discovery supports. Rodinia was formed sometime around 1.1–0.9 billion years ago and broke up about 750–633 million years ago.
While it might sound odd to learn that parts of the Grand Canyon were found on the other side of the world in Australia, there is actually a scientific explanation as to why this isn’t at all strange.

Wikimedia CommonsA proposed reconstruction of ancient supercontinent, Rodinia.
For the last three billion years of Earth’s existence, its landmasses have been ripping apart and coming together again to create different formations that are known as supercontinents. The most well-known supercontinent is Pangaea, which was formed approximately 335 million years ago. But both before and after its formation countless other supercontinents have been created, too.

PixabayTasmania’s coastline.
With the Grand Canyon discovery made in Tasmania, geologists are now able to get a better sense of where these countries and continents were placed during Rodinia’s construction. This finding, then, supports the reconstruction of Rodinia in which Australia is connected to Laurentia — a large, ancient geological feature of the North American continent.
Geologists don’t have as much information and insight about Rodinia’s exact construction as they do other supercontinents, which makes this discovery integral to establishing a better idea of how the continents have moved over millennia.
“[This] paper shows that Tasmania holds the key to tying together the tectonic geography of the time,” suggests Alan Collins at the University of Adelaide in Australia. “It’s really a good link and tie that allows us to build full plate models of the ancient Earth.”
Next up in Australian news, check out this video that supposedly proves the existence of the Tasmanian tiger. Then, read about seven of the world’s most stunning slot canyons.
