The sediments beneath Scandinavia, also the oldest part of the Earth’s crust were traced back to Greenland.
A recent study conducted by the Department of Geosciences and Natural Resource Management at the University of Copenhagen discovered that Scandinavia probably originated from Greenland.released, the scientists noted that the “foundation” upon which Denmark and Scandinavia rest was probably ‘born’ from Greenland approximately 3.75 billion years ago.
“Our data suggest that the oldest part of Earth’s crust beneath Scandinavia originates in Greenland and is about 250 million years older than we previously thought,” said Professor Tod Waight, a geologist at the Department of Geosciences and Natural Resource Management.This finding revealed that the Scandinavian bedrock is roughly 250 million years older than previously thought. The rocks were recovered from the regions–Pudasjärvi and Suomujärvi in Finland.
“At the same time, the results of three independent isotope analyses confirm that Scandinavia’s bedrock was most likely linked to Greenland,” Petersson added.The study is helping scientists better understand the development of life on Earth by shedding light on continental evolution and could potentially propel scientists to reevaluate our understanding of early Earth’s development.
“Without fixed continents and water in between them, we wouldn’t be here. Indeed, continents influence both ocean currents and climate, which are crucial for life on Earth,” he continued., Norway, and Finland— placed on top of the Earth’s crust referred to as the Fennoscandian Shield or the Baltic Shield— broke away from Greenland as a “seed” and shifted for hundreds of millions of years until it “took root” where Finland is today.
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Hidden chunk of Earth's crust that seeded birth of 'Scandinavia' discovered through ancient river crystalsPatrick Pester is a freelance writer and previously a staff writer at Live Science. His background is in wildlife conservation and he has worked with endangered species around the world. Patrick holds a master's degree in international journalism from Cardiff University in the U.K.
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