000 02081nam  2200301za 4500
0019.854200
003CaOODSP
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008180323s2018    oncbd   ob   f000 0 eng d
040 |aCaOODSP|beng
043 |an-cn-nu
0861 |aM183-2/8234E-PDF
24500|aBedrock geochemistry of the central Thelon tectonic zone, Nunavut |h[electronic resource] / |cJ.B. Whalen … [et al.].
260 |a[Ottawa] : |bNatural Resources Canada, |c2018.
300 |a49 p. : |bcol. charts, col. maps.
4901 |aOpen file ; |v8234
500 |aThis record only includes the Open File in PDF; the complete data set with all the files in various formats is available for free download at http://geoscan.nrcan.gc.ca/.
504 |aIncludes bibliographical references.
520 |a“The Chantrey-Thelon activity was initiated to help attract mineral exploration to this underexplored region of Nunavut by defining its tectonic evolution and crustal architecture. This report presents the first bedrock geochemical data for plutonic and volcanic rocks of the Thelon tectonic zone. The results strongly point to plutonic rock genesis at ca. 2.0 Ga in a convergent plate tectonic setting involving either subduction or slab failure or both. A syn-collisional origin is indicated for ca. 1.9 Ga leucogranites that form a fundamental boundary on the western margin of Mesoarchean crust of the Rae craton. Comparison with published geochemical data for the Taltson magmatic zone south of the MacDonald fault call into question its long-standing correlation with the Thelon tectonic zone”--Provided by publisher.
69207|2gccst|aGeochemistry
69207|2gccst|aGeophysics
69207|2gccst|aStructural geology
7001 |aWhalen, Joseph Bruce.
7101 |aCanada. |bNatural Resources Canada.
7102 |aGeological Survey of Canada.
830#0|aOpen file (Geological Survey of Canada)|v8234.|w(CaOODSP)9.506878
85640|qPDF|s9.52 MB|uhttps://publications.gc.ca/collections/collection_2018/rncan-nrcan/m183-2/M183-2-8234-eng.pdf