Phanerozoic sanukitoids from Caledonian Scotland: Implications for Archean subduction

@inproceedings{Fowler2012PhanerozoicSF,
  title={Phanerozoic sanukitoids from Caledonian Scotland: Implications for Archean subduction},
  author={M. B. Fowler and H. D. Rollinson},
  year={2012}
}
Sanukitoids represent a volumetrically minor but important series of Neoarchean granitoids enriched in large-ion lithophile elements (e.g., Ba, Sr, and light rare earth elements), and with relatively high compatible elements (e.g., Mg, Ni, and Cr). Petrogenetic models have favored an origin in the suprasubduction mantle wedge, so their sudden appearance ca. 2.95–2.68 Ga has made them central to the ongoing debate about the beginnings of modern plate tectonics. Caledonian high Ba-Sr granites… CONTINUE READING

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