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Mantle plume

from Asthenosphere by Lethave Plank

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about

A mantle plume is a proposed mechanism of convection within the Earth's mantle. Because the plume head partially melts on reaching shallow depths, a plume is often invoked as the cause of volcanic hotspots, such as Hawaii or Iceland, and large igneous provinces such as the Deccan and Siberian traps. Some such volcanic regions lie far from tectonic plate boundaries, while others represent unusually large-volume volcanism near plate boundaries.

Mantle plumes were first proposed by J. Tuzo Wilson in 1963 and further developed by W. Jason Morgan in 1971 and 1972. A mantle plume is posited to exist where super-heated material forms (nucleates) at the core-mantle boundary and rises through the Earth's mantle. Rather than a continuous stream, plumes should be viewed as a series of hot bubbles of material.

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from Asthenosphere, released April 14, 2020

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Lethave Plank Valencia, Spain

🎼Spacemusic composer and synth programmer🎹

🚀Booking and management: lighttrailsrecords@gmail.com🛰

📬E-Mail: lethaveplank@gmail.com📯

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