Early Caledonian tectonothermal evolution in outboard terranes, central Scandinavian Caledonides: new constraints from U-Pb zircon dates

@inproceedings{Stephens1993EarlyCT,
  title={Early Caledonian tectonothermal evolution in outboard terranes, central Scandinavian Caledonides: new constraints from U-Pb zircon dates},
  author={Michael B. Stephens and K{\aa}re Kullerud and Stefan H. Claesson},
  year={1993}
}
Early Caledonian deformation in an outboard terrane (Storfjallet) in the central Scandinavian Caledonides is constrained to the time-period Arenig to Caradoc on thebasis of U-Pb zircon age determinations. A trondhjemite clast in a conglomerate belonging to a supracrustal sequence that was affected by the early deformational event yields an age of 489 +10 –5 Ma. A granite intruded after this event defines an age of 445 +24 –6 Ma. The clast is similar in age to a trondhjemite intrusion in a… CONTINUE READING

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