Lawrence Head Volcanics and Dunnage Mélange, Newfoundland Appalachians: Origin by Ordovician Ridge Subduction or in Back-Arc Rift?

• Published in: Geoscience Canada
• Main Authors: Schoonmaker, Adam, Kidd, William S.F., DeLong, Stephen E., Bender, John F.
• Format: Text
• Language: English
• Published: The Geological Association of Canada 2014
• Subjects: Fosse; La Crête; Newfoundland
• Online Access: http://id.erudit.org/iderudit/1062258ar; https://doi.org/10.12789/geocanj.2014.41.053

This paper reviews the geological setting and reports new geochemical trace element data from the Ordovician Lawrence Head Volcanics (LHV) and the underlying gabbro sills in the Exploits Group. In combination with existing published analyses and ages of these rocks, the volcanic rocks and sills are...