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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: 46°1'54"N
Longitude: 71°21'43"W
 
 
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".

Mineral List

Actinolite
Albite
Allanite-(Ce)
var: Chromian Allanite-(Ce)
Amesite
Andradite
var: Demantoid
Anthophyllite
Antigorite
Aragonite
Brucite
Calcite
Chabazite-Ca
Chromite
Chrysotile
Clinochlore
Clinozoisite
Diopside
Dolomite
Epidote
'Ferro-Actinolite-Tremolite Series
var: Nephrite'

Fluorapophyllite-(K)
Galena
Grossular
Gyrolite
Hematite
Hydrotalcite
Lizardite
Magnesite
Magnetite
Maucherite
Microcline
Natrolite
Okenite
Pectolite
Prehnite
Pyrite
Quartz
Rutile
Scolecite
Stellerite
Stilbite-Ca
Suolunite
Thomsonite-Ca
Titanite
Tobermorite
Uraninite
Uranophane
Vesuvianite
Zoisite


50 entries listed. 46 valid minerals. 1 erroneous literature entry.

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References

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.

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.


Bulletin of the Society of Economic Geologists 31, 4, 355 376.

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