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Study uncovers 3.7-billion-year-old record of Earth's magnetic field in Greenland | IceNews icenews.is - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from icenews.is Daily Mail and Mail on Sunday newspapers.
Plate tectonics 4 billion years ago may have helped initiate life on Earth phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.
New Study: Life on Earth Independent from Lightning as Nitrogen Source miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.
Scientists have found evidence in southern Greenland of ancient magma rocks roughly 3.7-billion-years-old, indicating that the Earth could have been entirely molten. According to a study published in the journal Science Advances, researchers have reported that their analysis of the ancient rocks in the Isua Greenstone Belt, an area of volcanic rock in southern Greenland, contain traces of a magma ocean. These samples of basalt rock were found to have high levels of heavy iron isotopes. Researchers identified both neodymium and hafnium isotopes, and rare tungsten isotopes that stem from isotopes that only existed during Earth’s first 45 million years. ....