Diabytes
Earth's mantle News
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Tectonic plates are pieces of Earth’s crust and uppermost mantle, together referred to as the lithosphere.
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A mantle plume has been discovered – an upwelling of hot material from deep inside the Earth towards the surface – that still seems to be bubbling away even after 2.5 billion years.
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The researchers plan to extend the drill 2.5 miles below the ocean’s surface, then bore through 3.7 miles of Earth’s crust and finally gather samples from the mantle.
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The findings led by Woods Hole Oceanographic Institution (WHOI) in the US could change how scientists think about many issues in Earth science including how ocean basins form.
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Silica is found in abundance above and below the surface of the Earth in the form of the mineral quartz the Earth's crust is 59 per cent silica.
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Researchers from the Gemological Institute of America studied the unique properties of diamonds with similar characteristics to famous stones such as the Cullinan, Constellation and Kohinoor by examining their so-called "offcuts," which are the pieces left over after the gem's facets are cut for maximum sparkle.
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