An autochthonous Avalonian basement source for the latest Ordovician Brenton Pluton in the Meguma terrane of Nova Scotia: U–Pb–Hf isotopic constraints and paleogeographic implications
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DOI: 10.1007/s00531-017-1495-4
Abstract: The Ediacaran–Ordovician Meguma Supergroup was thrust over Avalonia basement prior to the intrusion of post-Acadian, ca. 370 Ma, S-type granitic batholiths. This has led to two main hypotheses regarding the original location of the Meguma terrane,… read more here.
Keywords: avalonia; meguma; brenton pluton; meguma terrane ... See more keywords
Post-accretionary exhumation of the Meguma terrane relative to the Avalon terrane in the Canadian Appalachians
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DOI: 10.1016/j.tecto.2018.10.016
Abstract: Abstract The accretion of the Avalon and Meguma terranes to the Laurentian margin was a major event in the development of the Appalachian orogen. The Minas Fault Zone delineates the boundary between these terranes. A… read more here.
Keywords: avalon; meguma; age; meguma terrane ... See more keywords