Retrieving "Tectonic Block" from the archives

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1. Gabbro

   Linked via "tectonic blocks"

   While most prevalent in oceanic settings, gabbroic rocks are also found in thick continental intrusions, such as layered intrusions (e.g., the Bushveld Complex), where magmatic differentiation has resulted in sequential crystallization layers ranging from ultramafic (dunite/peridotite) to felsic (granite).
   The term…