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TitleIndicator mineral data bedrock samples from the Broken Hammer Cu-Ni-PGE-Au deposit, North Range, Sudbury Structure, Ontario
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorMcClenaghan, M BORCID logo; Kjarsgaard, I M; Ames, D EORCID logo
SourceGeological Survey of Canada, Open File 8369, 2018, 41 pages, Open Access logo Open Access
PublisherNatural Resources Canada
Documentopen file
Mediaon-line; digital
RelatedThis publication is related to the following publications
File formatreadme
File formatpdf (Adobe® Reader®); rtf; xlsx (Microsoft® Excel®)
NTS41I/11; 41I/12
AreaSudbury; Kumska Lake; Joe Lake; Nelson Lake; Wisner Lake; Copenhagen Bay
Lat/Long WENS -81.5000 -81.0000 46.8333 46.7000
Subjectseconomic geology; geochemistry; mineral deposits; mineral exploration; exploration methods; nickel; copper; gold; magmatic deposits; hydrothermal deposits; vein deposits; structural controls; sperrylite; chalcopyrite; pyrite; epidote; titanite; apatite; allanite; mineral occurrences; zinc; lead; geochemical analyses; electron probe analyses; bedrock geology; lithology; igneous rocks; intrusive rocks; diabases; diorites; gabbros; granophyres; norites; granites; tonalites; granodiorites; pegmatites; monzonites; sedimentary rocks; argillites; breccias; metamorphic rocks; gneisses; amphibolites; intrusions; dykes; diabase dykes; regoliths; structural features; faults; Archean; Sudbury Impact Structure; North Range; Sudbury Igneous Complex; Broken Hammer Deposit; Cartier Batholith; Levack Gneiss Complex; Sudbury Dike Swarm; Onwatin Formation; Onaping Formation; Dowling Member; Sandcherry Member; Sudbury Breccia; Matachewan Diabase; Superior Province; Precambrian
Illustrationslocation maps; geoscientific sketch maps; photographs; tables; photomicrographs; pie charts
ProgramTargeted Geoscience Initiative (TGI-5) Nickel-copper-PGE-chromium systems
ProgramTargeted Geoscience Initiative (TGI-3), 2005-2010 Deep Search TGI-3
Released2018 05 09
AbstractBedrock samples were collected from the Broken Hammer Cu-Ni-PGE-Au deposit and surrounding host lithologies by the Geological Survey of Canada (GSC) to determine which indicator minerals are indicative of this deposit type. The deposit is known for world-class sperrylite crystals that are as large as 15 mm. The bedrock samples were processed using a combination of crushing, tabling, and heavy liquid separation to produce heavy mineral (>3.2 specific gravity) concentrates, which were then visually examined under binocular microscope. Ore minerals recovered from the mineralized samples include sperrylite (up to 2 mm in size), michenerite, tellurobismuthite, kotulskite, and merenskyite, as well as gold and chalcopyrite. GSC open file 8384 reports the results presented for GSC till samples collected around the deposit.
Summary(Plain Language Summary, not published)
This GSC open file reports indicator mineral data for bedrock samples from a Cu-Ni-PGE deposit on the North Range of the Sudbury Basin.

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