What is the Asthenosphere?

1 Answer
Proteus
Jun 12, 2016

#color(darkorange)"The asthenosphere"# is a layer (zone) of Earth’s mantle lying beneath the lithosphere.

  • It is a layer of solid rock that has so much pressure and heat the rocks can flow like a liquid.

  • The rocks are also less dense than the rocks in the lithosphere

  • It is believed to be much hotter and more fluid than the lithospher

  • Asthenosphere extends from about 100 km (60 miles) to about 700 km (450 miles) below Earth’s surface

https://en.wikipedia.org/wiki/Lithosphere#/media/File:Earth-cutaway-schematic-english.svg

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