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TitleInvestigation of zinc-lead mineralization on eastern Cornwallis Island, Arctic Archipelago, Nunavut
AuthorTurner, E C
SourceGeological Survey of Canada, Current Research (Online) no. 2001-B2, 2001, 19 pages, (Open Access)
PublisherNatural Resources Canada
Mediapaper; on-line; digital; CD-ROM
RelatedThis publication is contained in Geological Survey of Canada; (2001). Current Research 2001, winter release, Geological Survey of Canada, Current Research no. 2001
File formatpdf
NTS58G; 58F/14; 58F/15
AreaCornwallis Island; Caribou Lake; Stuart River; Bacon River; Snowblind Bay; 1
Lat/Long WENS-96.0000 -93.0000 75.7500 74.7500
Subjectseconomic geology; stratigraphy; structural geology; lead; zinc; mineralization; Mississippi Valley deposits; gossans; faults, normal; carbonate rocks; unconformities; mineral potential; stratigraphic correlations; Thumb Mountain Formation; Cape Phillips Formation; Allen Bay Formation; Barlow Inlet Formation; Disappointment Bay Formation; Ordovician; Silurian; Devonian
Illustrationssketch maps; photographs; stratigraphic columns
Released2001 01 01
AbstractAreas of known mineralization in Ordovician through Devonian rocks on eastern Cornwallis Island were visited as reconnaissance for a project that will address the genesis and geological controls on Zn-Pb mineralization within the Polaris zinc district and elsewhere in the Arctic Islands. Parts of the Thumb Mountain, Cape Phillips, Allen Bay, Barlow Inlet, and Disappointment Bay formations are host to Mississippi Valley-type mineralization, which is vari- ously localized by 1) normal faults, 2) facies boundaries, or 3) a major unconformity. Much of the mineralization is indicated by development of gossans, but some is present without any significant weathering features. The pres- ence of showings that completely lack galena and have only sparse Fe-sulphides suggests that there may be more than one mineralizing event or fluid source behind the various showing types in the area.