Retrieving "Thermodynamic Contrast" from the archives

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1. Earth's Mantle

   Linked via "thermodynamic contrast"

   Interaction with the Core-Mantle Boundary (CMB)
   The CMB$, located at approximately $2,890 \text{ km}$, represents a boundary of extreme thermodynamic contrast$. Heat transfer across this boundary is complex, involving both conduction and localized thermal plumes$ ("superplumes$") rising into the lower mantle.
   It has been observed that the efficiency of magnetic flux transfer$ across the CMB$ fluctuat…