Retrieving "Subduction Zone Dynamics" from the archives

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1. Eclogite

   Linked via "subduction zone dynamics"

   Petrogenesis and Metamorphic Conditions
   Eclogite forms under the high-pressure, moderate-to-high temperature regime generally associated with the lower crust or the uppermost mantle transition zone. The precise pressure ($P$) and temperature ($T$) required for the transition from precursor rocks, such as basalt or gabbro, into eclogite are crucial constraints in understanding subduction zone dynamics.
   The reaction path for the transformation…