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Geophysicists at the Earth-Life Science Institute (ELSI) at the Tokyo Institute of Technology report in Nature Geophysics (online February 27, 2017) a new model for the existence of a deep mantle conveyor belt system that may have operated inside the Earth since its formation about 4.5 billion years ago.

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New model for deep mantle conveyor belt system at the core of the Earth ... and longer than the age of the Earth. The strong silica-rich blocks in the lower mantle are probably more than 1000 km ...

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ASGCO® Tail Box and Skirting System Solves Silica Plant's Train Load-out's Load Zone Material Spillage Challenge. Challenge: Material conveyed was constantly changing and needed to be controlled. The material from the train cars was not throttled at times, allowing for large surges.

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