Resolving Paragneiss Provenance at Grollier Lake in the Athabasca Granulite Terrane, Western Canadian Shield

• Main Author: Ply, Dustin
• Format: Text
• Language: unknown
• Published: ScholarWorks@UARK 2016
• Subjects: Earth sciences; Canada; Geochronology; La-icpms; Paragneiss; Provenance; Geochemistry; Geology; Tectonics and Structure; Arrowsmith; Grollier Lake; Hudson; Rutledge River; Lake Athabasca
• Online Access: https://scholarworks.uark.edu/etd/1563; https://scholarworks.uark.edu/context/etd/article/3102/viewcontent/Ply_uark_0011O_12122.pdf

U-Pb crystallization ages of metamorphic and detrital zircons from all three paragneiss samples fall into the range of ca. 1.85-2.59 Ga, excluding two much older grains. Evidence suggests that the paragneiss of Grollier Lake record deformation exclusively from the Taltson and Trans-Hudson orogenies....