Letter | Published:

Geochronology of eastern Newfoundland

Abstract

WHOLE-ROCK Rb–Sr isochrons from granitoid rocks intruded into the easternmost part of the Central Mobile Belt and the Avalon Platform of Newfoundland indicate that the bulk of the plutonic activity took place during Devonian and Carboniferous times. Of the nine intrusions that were dated, only one, a Cambrian granite from the Avalon Platform, was significantly older.

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