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Nanisivik Mine, Nanisivik, Baffin Island, Nunavut, Canada

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Latitude & Longitude (WGS84): 73° 0' 45'' North , 84° 30' 0'' West
Latitude & Longitude (decimal): 73.01250,-84.50000
Köppen climate type:ET : Tundra

This is a Precambrian Mississippi Valley-type massive lead zinc sulfide deposit, hosted in carbonate rock, that was subsequently reworked. Almost all the marcasite pseudomorphed to pyrite. Blades, twins and even fivelings are now pyrite. The incredibly diverse forms of pyrite are unique to this locality.
Owned by Nanisivik Mines, Ltd. until 1996 after which it was sold to Breakwater Resources Ltd. It was operated from 1976 to 2002.

Mineral List

Mineral list contains entries from the region specified including sub-localities

32 valid minerals.

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

1000 - 1200 Ma

ID: 657220
Sedimentary; Carbonate

Age: Stenian (1000 - 1200 Ma)

Description: North America, Borden Basin

Comments: Basin, cover sequence; Scott & de Kemp, 1998; St-Onge et al., 2006a, unpublished compilation, 2007-08

Lithology: Stromatolitic limestone and dolostone, dolostone conglomerate and breccia; siltstone, shale; olistostromes

Reference: J.C. Harrison, M.R. St-Onge, O.V. Petrov, S.I. Strelnikov, B.G. Lopatin, F.H. Wilson, S. Tella, D. Paul, T. Lynds, S.P. Shokalsky, C.K. Hults, S. Bergman, H.F. Jepsen, and A. Solli. Geological map of the Arctic. doi:10.4095/287868. Geological Survey of Canada Map 2159A. [2]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

Localities in this Region


This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Gait, R.I., Dumka, D. (1986) Morphology of pyrite from the Nanisivik mine Baffin Island Northwest Territories. Canadian Mineralogist: 24: 685-688.

Gait, R.I., Robinson, G.W., Bailey, K., Dumka, D. (1990) Minerals of the Nanisivik mine Baffin Island Northwest Territories (Canada). The Mineralogical Record: 21(6): 515-534.

Symons, D.T.A., Symons, T.B., Sangster, T.F. (2000) Paleomagnetism of the Society Cliffs dolostone and the age of the Nanisivik zinc deposits, Baffin Island, Canada. Mineralium Deposita: 35: 672-682.

[Rocks & Minerals: 62: 115.(?)]

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