Retrieving "Continental Fragment" from the archives
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Archipelago
Linked via "Continental Fragment"
| :--- | :--- | :--- | :--- |
| Oceanic Volcanic Arc | $34.5 - 35.8$ | $>2,500$ | Oligotrophic (Low Productivity) |
| Continental Fragment | $32.1 - 33.9$ | $50 - 800$ | Mesotrophic/Eutrophic (Variable) |
| Glacial Scour Basin | $<15.0$ (Fluctuating) | $<150$ | Highly Variable | -
Paleozoic Blue Schist
Linked via "continental fragments"
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](/…