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Mine Lac d'Amiante (Lake Asbestos Mine; "LAB Mine"; "Black Lake Mine"), Saint-Joseph-de-Coleraine, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada

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Latitude & Longitude (WGS84): 46° 1' 54'' North , 71° 21' 42'' West
Latitude & Longitude (decimal): 46.03167,-71.36194
Köppen climate type:Dfb : Warm-summer humid continental climate

Formerly: Mine Lac d'Amiante (Lake Asbestos mine; LAB mine; Black Lake mine), Black Lake, Mégantic Co., Québec, Canada

Technically both with the limits of Thetford Mines and Saint-Joseph-de-Coleraine the mine falls mostly within Saint-Joseph-de-Coleraine.

An asbestos mine in serpentinized peridotite, Thetford mines ophiolite complex. Operated by LAB Chrysotile (LAB = Lake Asbestos Bell), this is a huge, inactive open pit mine (closed in 2011). In recent years many labels show "LAB mine" as the locality which reflects the preference of many local collectors.
Also erroneously known as "Black Lake Mine".

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

Mineral List

46 valid minerals. 1 erroneous literature entry.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

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

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

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.


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COOKE, H.C. (1936) Asbestos deposits of Thetford District, Quebec. Economic Geology and the
COOKE, H.C. (1937) Thetford, Disraeli, and eastern half of Warwick map areas, Quebec; with chapters on the Beauceville, Saint Francis, and Lake Aylmer series by T.H. Clark. Memoir Geological Survey of Canada. 160 p.
THOMPSON, W. (1971) Rodingite near Thetford mines, Quebec. Mineralogical Record. 2, 45-46.
RIORDON, P.H. & LALIBERTÉ, R. (1972): Asbestos deposits of southern Quebec. Guide book Excursion B-08, Int. Geological Congress, 22 p.
LAMARCHE, R.Y. & RIORDON, P.H. (1981) Geology and genesis of the chrysotile asbestos deposits of northern Appalachia. In: Geology of asbestos deposits. Riordon, P.H. (editor), 11-23. Am. Inst. Min. and Metall. Eng., Soc. Min. Eng. New York, NY,
LAURENT, R., TANER, M.F. & BERTRAND, J. (1984) Mise en place et petrologie du granite associe au complexe ophiolitique de Thetford Mines, Quebec. [Emplacement and petrology of the granite associated with the Thetford Mines ophiolite complex, Quebec.], Canadian Journal of Earth Sciences 21, 1114 1125.
TANER, M.F. & LAURENT, R. (1984) Iron rich amesite from the Lake Asbestos Mine, Black Lake, Quebec. Canadian Mineralogist 22, 437 442.
HARNOIS, L., TROTTIER, J. & MORENCY, M. (1990) Rare earth element geochemistry of Thetford Mines ophiolite complex, Northern Appalachians, Canada. Contributions to Mineralogy and Petrology 105, 433 445.
TSHERNICH, R. (1992): Zeolites of the World, p.440
GAUDARD, S. (1993) Voyage au coeur des Appalaches (Guide to the Thetford Mines - Black Lake area in French) publ. Musée minéralogique et minier de la région de l'Amiante, 178 p.
AMABILI, M., SPERTINI, F., AUGUSTE, M. B., and BONIN, G., (2009) Famous Mineral Localities: The Lac D'Amiante Mine, Back Lake, Thetford Mines, Quebec. Mineralogical Record 40(4) 297-304.
Bulletin of the Society of Economic Geologists 31, 4, 355 376.

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