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Geosciences

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... > representation > d > geometrical object 3d > layer > global planetary layer > geosphere layer > mantle > upper mantle > asthenosphere
... > representation > numerical entity > geometrical object > geometrical object 3d > layer > global planetary layer > geosphere layer > mantle > upper mantle > asthenosphere
... > representation > d > geometrical object 3d > layer > planetary layer > geosphere layer > mantle > upper mantle > asthenosphere
... > representation > numerical entity > geometrical object > geometrical object 3d > layer > planetary layer > geosphere layer > mantle > upper mantle > asthenosphere
... > realm > planetary realm > subsurface > geosphere layer > mantle > upper mantle > asthenosphere

Preferred term

asthenosphere  

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  • http://www.irandoc.ac.ir/onto/irandoc-meta/Concept

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Entry terms

Definitions

  • The asthenosphere is a portion of the upper mantle just below the lithosphere. Seismic waves pass relatively slowly through the asthenosphere, compared to the overlying lithospheric mantle, thus it has been called the low-velocity zone. [Wikipedia]

Obsolete

  • false

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http://www.irandoc.acir/onto/irandoc/SWEETT16564

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