U-Pb zircon geochronology of Archean greenstone belts (Mary River Group) and surrounding Archean to Paleoproterozoic rocks, northern Baffin Island, Nunavut / D.R. Skipton, N. Wodicka, V. McNicoll, B.M....: M183-2/8585E-PDF

"Prior to 1:100,000-scale geological mapping conducted in 2017-2018, northern Baffin Island remained a major knowledge gap in the understanding of the northern Rae craton and the tectonic assembly of northeastern Laurentia. Geochronological data in the region was sparse; only four published U-Pb dates existed in the mapping area (~67,000 km²). Resolving the geology and age of the Archean Mary River Group – host to the Mary River iron mine – and the surrounding felsic-to-intermediate gneiss has key implications for the regional tectonic history and mineral prospectivity. In this study, we present new UPb zircon ages for 16 samples, including: 3 metavolcanic rocks and a quartzite from the Mary River Group; 2 psammite samples from newly discovered strata near Pond Inlet; 8 felsic-to-intermediate metaplutonic rocks; and 2 mafic metaplutonic rocks"--Abstract, page 1.

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Publication information
Department/Agency Geological Survey of Canada, issuing body.
Title U-Pb zircon geochronology of Archean greenstone belts (Mary River Group) and surrounding Archean to Paleoproterozoic rocks, northern Baffin Island, Nunavut / D.R. Skipton, N. Wodicka, V. McNicoll, B.M. Saumur, M.R. St-Onge, and M.D. Young.
Series title Open file ; 8585
Publication type Series - View Master Record
Language [English]
Format Electronic
Electronic document
Note(s) This record only includes the Open File report in PDF; the complete data set with all the files in various formats is available for free download at http://geoscan.nrcan.gc.ca/.
Includes bibliographical references (pages 40-43).
Publishing information Ottawa, Ontario : Geological Survey of Canada, 2019.
©2019
Author / Contributor Skipton, Diane R., 1984- author.
Description 1 online resource (43 pages) : illustrations (chiefly colour), colour maps.
Catalogue number
  • M183-2/8585E-PDF
Departmental catalogue number 314938
Subject terms Uranium-lead dating -- Nunavut -- Baffin Island.
Geological time -- Nunavut -- Baffin Island.
Metamorphic rocks -- Nunavut -- Baffin Island.
Sedimentary rocks -- Nunavut -- Baffin Island.
Datation -- Méthode uranium-plomb -- Nunavut -- Baffin, Île de.
Géochronologie -- Nunavut -- Baffin, Île de.
Roches métamorphiques -- Nunavut -- Baffin, Île de.
Roches sédimentaires -- Nunavut -- Baffin, Île de.
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