TY - JOUR AU - Van Kranendonk, Martin J. AU - Ermanovics, Ingo PY - 1990/12/12 Y2 - 2024/03/29 TI - Structural evolution of the Hudsonian Torngat Orogen in the North River map area, Labrador: Evidence for east-west transpressive collision of Nain and Rae continental blocks JF - Geoscience Canada JA - GS VL - 17 IS - 4 SE - Articles DO - UR - https://journals.lib.unb.ca/index.php/GC/article/view/3706 SP - AB - The Hudsonian Torngat Orogen In the North River map area, Labrador, evolved through: (1) early thrusting and associated isoclinal folding in lower Proterozoic supra crustal cover rocks, and the development of a regional tectonic fabric at peak metamorphic grade; (2) folding and intense shearing on subvertical planes, characterized by a sub-horizontal NNW-plunging extension lineation during sinistral transpression; and (3) E-directed thrusting during uplift of the orogen. These structures are interpreted as progressive features that resulted from E-W oblique collision of the Archean Nain and Rae continental blocks across a 160°-striking boundary. ER -