Abstract
The continental shelf of Labrador and Newfoundland has a long history of hydrocarbon exploration, and the accumulated oil production from the northern Grand Banks exceeds one billion barrels (Fig.1). The Canada-Newfoundland & Labrador Offshore Petroleum Board (www.cnlopb.ca) awarded several new licenses on the northern Grand Banks in 2015 and announced licensing rounds for the Labrador Sea region in the coming years.
Highlights
Evidence for episodes of burial and exhumation of the marginThe Atlantic margin of Canada has many features in common with passive continental margins in other parts of the world (Japsen et al 2012; Green et al 2013), such as elevated plateaux (i.e. regional high-level landscapes of low, relative relief) at 1 to 2 km or more above sea level (a.s.l.) cut by deeply incised valleys and commonly separated from an adjacent coastal plain by one or more escarpments
Studies of the burial and exhumation history both onshore and offshore of Labrador and Newfoundland are, scarce, but several observations – that we review in the following – indicate that a number of uplift episodes followed by denudation, both pre- and post-breakup, shaped the present-day structure of the margin
The observations reviewed above demonstrate that episodes of burial and exhumation have affected the Atlantic margin of Canada both prior to and after break-up
Summary
The Atlantic margin of Canada has many features in common with passive continental margins in other parts of the world (Japsen et al 2012; Green et al 2013), such as elevated plateaux (i.e. regional high-level landscapes of low, relative relief) at 1 to 2 km or more above sea level (a.s.l.) cut by deeply incised valleys and commonly separated from an adjacent coastal plain by one or more escarpments. The Torngat Mountains with peaks reaching 1.7 km a.s.l. in northern Labrador, slope much more steeply towards the Labrador Sea than they do towards the hinterland farther
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