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TitleOutcrop and remote predictive geology of the Amer Belt and basement beside and beneath the northeast Thelon Basin, in parts of NTS 66-A, B, C, F, G and H, Kivalliq Region, Nunavut
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorJefferson, C W; White, J C; Young, G M; Patterson, J; Tschirhart, V LORCID logo; Pehrsson, S J; Calhoun, L; Rainbird, R HORCID logo; Peterson, T D; Davis, W JORCID logo; Tella, S; Chorlton, L B; Scott, J M J; Percival, J A; Morris, W A; Keating, P; Anand, A; Shelat, Y; MacIsaac, D
SourceGeological Survey of Canada, Open File 7242, 2015, 1 sheet, Open Access logo Open Access
PublisherNatural Resources Canada
Maps2 maps
Map Info.geological, bedrock, structural geology, 1:133,333
Map Info.geological, bedrock, structural geology, 1:50,000
Mediaon-line; digital
File formatreadme
File formatpdf; xls; rtf; cdr
NTS66A; 66B; 66C; 66F; 66G; 66H
AreaKivalliq Region
Lat/Long WENS-102.0000 -96.0000 66.0000 64.0000
Subjectsgeophysics; stratigraphy; structural geology; radioactive minerals; bedrock geology; basement geology; stratigraphic analyses; stratigraphic correlations; structural features; structural interpretations; structural analyses; geophysical surveys; aeromagnetic surveys; aeromagnetic interpretation; uranium; faults; syenites; lithostratigraphy; Archean; Amer Group; Thelon Basin; Amer Belt; Kethet River Group; Oora Lake Formation; Showing Lake Formation; Itza Lake Formation; Three Lakes Formation; Five Mile Lake Formation; Resort Lake Formation; Ayagaq Lake Formation; Proterozoic; Precambrian
Illustrationsstratigraphic columns; block diagrams; stratigraphic columns; cross-sections; tables
ProgramGEM2: Geo-mapping for Energy and Minerals Rae Province Project Management
Released2015 07 28
Summary(Plain Language Summary, not published)
Maps herein cover the Amer Belt and surrounds in outcrop, and their extensions beneath flat sandstone of the Amarook and Thelon formations in the Aberdeen Sub-basin. The Paleoproterozoic Amer Group comprises four major sequences: Ps1) white quartzarenite; Ps2) black graphitic slate, tan dolostone and dark green basalt; Ps3) grey-green-brown slate, feldspathic sandstone and slate; and Ps4) red to grey arkosic sandstone and mudstone. Ps1-3 were tightly folded and faulted with little metamorphism before Ps4 (~1.91 Ga). All Ps were structurally intercalated with Archean gneiss and supracrustal rocks and metamorphosed ca 1.83 Ga. Igneous suites are ca 2.6, 1.83, 1.75 and 1.27 Ga. Disseminated uraninite pods in feldspathic sandstone of Ps3 were deformed into SW plunging cigar shapes. Prospective strata and structures were geophysically traced under till and sandstone as guides for possible mineral development and other uses of the northeast Thelon Basin region of Nunavut.

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