Retrieving "Lithospheric Slabs" from the archives

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1. Eclogite

   Linked via "lithospheric slabs"

   $$T: 400 - 1000 ^\circ\text{C}$$
   If the eclogite formed directly from the lower lithospheric mantle (e.g., as recycled lithospheric slabs), the pressures can exceed $5 \text{ GPa}$, leading to polymorphs like majorite garnet, though these are exceedingly rare in accessible exposures.
   Tectonic Significance and Occurrence