Earth’s magnetic field, critical to all life, may be in danger from ‘leaking core’

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Scientists studying the earth’s core, vital to protecting us from dangerous high-energy particles from space, believe not only that it is leaking, but that it has been for about 2.5 billion years.

While the cause of the leak remains unknown, as do the consequences for the Earth’s magnetic field, scientists appear to have resolved the decades-old debate about whether the Earth’s core and mantle exchange material or not. 

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The core is composed of iron and nickel, and with elements like platinum, gold, and tungsten. It reaches temperatures of 5,000 degrees Celsius (9,000 Fahrenheit) and many believe it’s responsible for up to 50 percent of the volcanic heat released around the planet. 

The researchers, from French, Canadian, US and Australian universities, found newer mountains and rocks on the Earth’s surface featuring tungsten isotopes which are typically found in the outer core, but no farther up. As a result, the team posits that so-called ‘mantle plumes’ brought core material to the surface. There was no evidence of leaks prior to this recent discovery.

The implications of the research are still unclear. However, we know that the spinning solid part of the core is responsible for the Earth’s magnetosphere which helps protect us from the nastiest particles firing around space. Scientists believe that the liquid part of the core is slowly solidifying and this latest research may provide unique insights into both the evolution of the Earth’s core as well as the origin of our all-important magnetosphere.

The research was published recently in GeochemicalPerspective Letters.

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1 thought on “Earth’s magnetic field, critical to all life, may be in danger from ‘leaking core’

  1. It is said that the earth has a magnetThe magnet has a material that interacts with itWhat kind of magnetWho reacts with waterGold, silver, copper and all kinds of metalsMeat, wood and earthWhat is this kind of magnetI know this and what is the sourceAnd true science is not failing, let’s say magnetsThe word magnet means the failure of scienceMagnetism This science is falseI challenge who gives meThe source of Earth’s gravity is the true explanation

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