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TitleSouthern continuation of the Wakeham Group and Robe-Noire mafic suite (eastern Grenville Province) from hydrocarbon-targeted seismic reflection data on Anticosti Island, Quebec, Canada
AuthorPinet, N
SourceCanadian Journal of Earth Sciences vol. 53, issue 9, 2016 p. 875-882, (Open Access)
Alt SeriesEarth Sciences Sector, Contribution Series 20150427
PublisherCanadian Science Publishing
Mediapaper; on-line; digital
File formatpdf
NTS12/F; 12/E; 22/H
AreaAnticosti Island
Lat/Long WENS -64.5000 -61.5000 50.0000 49.0000
Subjectssills; sedimentary rocks; Wakeham Group; Robe-Noire Group; Grenville Province; Intra-basement reflections; Paleozoic
Illustrationsseismic reflection profiles; geological sketch maps; location maps; diagrams
ProgramGeoscience for New Energy Supply (GNES) - Program Corrdination, Geoscience for New Energy Supply (GNES) - Program Coordination
AbstractHydrocarbon-targeted seismic reflection profiles acquired on eastern Anticosti Island of the Paleozoic St-Lawrence Platform image sub-parallel reflections with significant continuity below the sedimentary cover. These intra-basement reflections define a seismic package with a relatively simple geometry characterized by broad open folds, an array of sub-parallel markers and NNW-striking faults interpreted as ENE-dipping thrusts. The reflective seismic package likely corresponds to the southern extension of the Proterozoic Wakeham Group and its mafic sills that are exposed on the north shore of the Gulf of St. Lawrence.
Summary(Plain Language Summary, not published)
Seismic reflexion data from eastern Anticosti Island exhibit unusual characteristics within the basement. This paper describes these characteristics and propose a correlation between Anticosti Island and the northern shore of the Gulf of St. Lawrence.