Geochemistry and tectonic setting of late Precambrian volcanic and plutonic rocks in southeastern Cape Breton Island, Nova Scotia

• Published in: Canadian Journal of Earth Sciences
• Main Author: Barr, Sandra M.
• Format: Article in Journal/Newspaper
• Language: English
• Published: Canadian Science Publishing 1993
• Subjects: Breton Island; Mira; Stirling; East Bay; Newfoundland
• Online Access: http://dx.doi.org/10.1139/e93-097; http://www.nrcresearchpress.com/doi/pdf/10.1139/e93-097

Late Precambrian volcanic–sedimentary belts in the Mira (Avalon) terrane of southeastern Cape Breton Island display differences in rock types, petrochemistry, and age, showing that they did not form contemporaneously above a single northwest-dipping subduction zone, as proposed in earlier models. Th...