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Niobec mine, Saint-Honoré carbonatite complex, Saint-Honoré, Le Fjord-du-Saguenay RCM, Saguenay-Lac-Saint-Jean, Québec, Canada

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Formerly: Niobec mine, Saguenay (Chicoutimi), Le Fjord-du-Saguenay Co., Québec, Canada

The mine has been in operation since the late 1970s. Located 15 kilometres northwest of Saguenay city (merged in 2002 with Chicoutimi city).
Notable for the large, thick prismatic barite crystals produced.

The Niobec orebody, which measures 600 metres by 800 metres, is situated in the southern part of the Saint-Honore carbonatite complex, which is mainly comprised of dolomitic carbonates in the centre and calcitic carbonates on the edges. This carbonatite is an oval-shaped pluton covering 12 square kilometres. The deposit is open at depth.
The Niobec property now covers a total area of approximately 1,735 hectares, comprising two mining leases and also includes 43 claims totaling 1,605.6 hectares.

The two niobium-bearing minerals are pyrochlore and columbite, containing up to 70% niobium pentoxide (Nb205) (www.cambior.com).
The minerals are dispersed in the rock finely grained and rarely visible to the naked eye.

Mineral List



35 entries listed. 32 valid minerals.

The above list contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

DENOMMÉ, E., THIVIERGE, S., ROY, D.W., CHOWN, E. AND GAUTHIER, A.(1982) The St-Honoré carbonatite and associated niobium deposits, ClM 84th annual meeting, April 1982, paper 55, 9 pages.

FORTIN-BÉLANGER, M. (1977) Le complexe annulaire à carbonatite de St-Honoré P.Q./Canada) et sa minéralisation à niobium: étude pétrographique et géochimique, Doctoral thesis, Université Claude Bernard, Lyon, France, 308p.

FOURNIER, A. (1993) Magmat!c and hydrothermal controls of LREE mineralization of the St-Honoré carbonatite, Québec. M.Sc. thesis, McGill University, Montreal, Canada. 95p.

GAUTHIER, A. (1979) Étude minéralogique, pétrographique et géochimique de la zone à terres-rares de la carbonatite de St.-Honoré, M.Sc. thesis, Université du Québec à Chicoutimi, Québec, Canada, 181 p.

KENNEDY, I. & GAGNON, G. (1981): Barite from the Niobec Mine Chicoutimi, Quebec. Mineralogical Record 12:355-357.

THIVIERGE, S, ROY O.-W., CHOWN E.H. AND GAUTHIER A. (1983) Évolution du complexe alcalin de St.-Honoré (Québec) après sa mise en place. Mineralium Deposita, 18, 267-283.

VALLÉE, M. AND DUBUC, F. (1970) The St-Honoré Carbonatite Complex, Québec. ClM Transactions, 73, 346-356.

Berger, V.I., Singer, D.A., and Orris, G.J. (2009): Carbonatites of the World. Explored Deposits of Nb and REE - Database and Grade and Tonnage Models. USGS Open-File Report 09-1139.




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