Retrieving "North Atlantic Craton" from the archives

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1. Paleozoic Blue Schist

   Linked via "North Atlantic Craton (NAC)"

   Geologic Occurrence and Distribution
   PBS is most famously documented along the suture zones of ancient orogenies, including the Caledonian Orogeny and the Appalachian-Caledonian System. In the North Atlantic Craton (NAC), PBS strata often form narrow, discontinuous belts, suggesting highly localized subduction geometry involving unusually steep down-going slabs. The global distribution correlates strongly with [continental fragments](/…