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Here's a New Theory of How Earth Was Formed

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Remember learning about Pangea in school? This is the original massive supercontinent that existed around 300 million years ago. Well, it turns out that it wasn’t exactly the first kid on the block. Scientists have recently made a shocking discovery in Australia, revealing our planet’s earliest history that predates Pangea!
Scientists theorize that there were several supercontinents that existed before the well-known Pangea. But what could turn theory into cold hard facts is the recent discovery of part of the Grand Canyon (that’s right, the one in the U.S.) all the way over in Australia! Do you wanna find out more? Then watch the video!
TIMESTAMPS:
What supercontinents existed before Pangea 0:39
Rodinia 1:11
What discovery Jacob Mulder made 2:34
Why is it so important? 3:41
How we can learn more about Rodinia 5:03
#pangea #rodinia #earthhistory
Music by Epidemic Sound
SUMMARY:
- Back to these super ancient supercontinents, more specifically, the one called Rodinia. Apparently, this means “motherland” in Russian, and it’s not all that different from Pangea if you’re talking basics. The only major difference is that it existed around 1.5 billion years ago, which is definitely older than Pangea!
- It was Jacob Mulder, a geological researcher from Monash University’s School of Earth, Atmosphere, and Environment in Melbourne, Australia, who made the discovery. Mulder was studying Tasmanian rocks from the Rocky Cape National Park and had a feeling that they were somehow different from the other rocks in the area.
- He compared the Tasmanian rocks to some billion-year-old sedimentary rocks near the bottom of the Grand Canyon. His findings showed that these rocks formed at the same time, in the same geological environments, and had the same geological “fingerprint.”
- This discovery actually helps support the theory that on the supercontinent of Rodinia, which is almost too ancient to study in the eyes of some scientists (remember it’s got 1.5 billion candles on its birthday cake!), these two landmasses once formed a part of the same area. And believe it or not, this information is really useful in both understanding how our Earth formed and in spheres that don’t even directly concern geology.
- In 2014, Dr. Adriana Dutkiewicz, a fellow researcher at the University of Sydney, used Muller’s software to figure out both how the evolution of the seafloor has influenced climate change over time and how it can help us predict the future of climate change.
- Thanks to Mulder’s keen eye and his persistence that these two rocks looked alike despite their geological distance, we now have actual proof that these two landmasses used to be one!
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