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Tanco Mine (Bernic Lake Mine), Bernic Lake, Lac-du-Bonnet area, Manitoba, Canada

A tantalum-lithium-cesium mine in the Tanco pegmatite. Owned by The Tantalum Mining Corp. of Canada (TANCO). Discovered 1930, opened 1954-1960. Reopened 1967 and closed 1982. Workings went to at least the 280 foot (90 meter) level.



References:
- Černý, P. and Simpson, F.M. (1978): The Tanco pegmatite at Bernic Lake, Manitoba. X. Pollucite.

- Canadian Mineralogist (1978): 16: 325-333.

- Canadian Mineralogist (1980): 18: 185-190.

- Bull. Minéral. (1984): 107: 369-384.

- Mining Annual Review (1985): 97.

- Mineralogical Record: 32: 416.

- Tschernich, R. (1992): Zeolites of the World, p.51, 428.

- Ercit, T.S., Černý, P., Hawthorne, F.C. (1993) Cesstibtantite: a geologic introduction to the inverse pyrochlores. Mineralogy and Petrology: 48: 235-255.

- Canadian Mineralogist (2000): 38: 869-876; 38: 877-891.

- Canadian Mineralogist (2001): 39: 1513.

- Canadian Rockhound: 3(2).

- http://www.davidkjoyceminerals.com/htmfiles/tancomine.htm

American Mineralogist, Volume 94, pages 439–450, 2009





Mineral List:
'Adularia'
Aikinite
Albite
Alluaudite
Amblygonite
Analcime
var: Cesian Analcime
Annite
Antimony
var: Bismuthian Antimony

'Apatite'
Apatite-(CaF)
Arsenic
Arsenopyrite
Baryte
Beryl
var: Morganite
Beusite
Biotite
Bismuth
var: Antimonian Bismuth
Bismuthinite
Bournonite
Calcite
Cassiterite
Černýite (TL)
Cesstibtantite
Chalcopyrite
'Collinsite-Fairfieldite Series'
Cookeite
Cosalite
Cubanite
Diomignite (TL)
Dorfmanite
Dravite
Dyscrasite
Elbaite
Ercitite (TL)
Eucryptite
Feruvite
Foitite
Freibergite
Galena
Galenobismutite
'Garnet Group'
Gladite
Gustavite
Hafnon
Hawleyite
Holmquistite
Illite
Ilmenite
var: Manganoan Ilmenite

IMA2008-054 (TL)
Ixiolite
Kësterite
Lepidolite
Lithiophilite
Lithiophosphate
Marcasite
Miargyrite
'Mica Group'
Microcline
Microlite
Molybdenite
Montebrasite
Montmorillonite
Muscovite
Muscovite
var: Lithian Muscovite

'Perthite'
Petalite
Pollucite
Pyrargyrite
Pyrrhotite
Quartz
Rhodochrosite
Rossmanite
Schorl
Simpsonite
Sphalerite
Spodumene
Stannite
Stibarsen
var: Bismuthian Stibarsen

Tancoite (TL)
Tantalite
Tantalite-(Mn)
'Tapiolite'
Tapiolite-(Fe)
Tetrahedrite
Titanowodginite (TL)
'Tourmaline
var: Rubellite'

Triphylite
Triplite
'Unnamed (F-analogue of elbaite)'
Whitlockite
Wodginite
Zabuyelite
Zinnwaldite
Zircon
var: Hafnian Zircon



97 entries listed. 76 valid minerals. 6 type localities (valid minerals).

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Copyright © Jolyon Ralph and Ida Chau 1993-2009. Jobs in Canada Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 4th Nov 2009 18:02:34