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Strange Lake complex (Lac Brisson complex), Québec & Newfoundland and Labrador, Canada

Gagarinite-(Ce)
Strange Lake complex, Québec & Newfoundland and Labrador, Canada

Photo: 2008, JGW
Latitude: 56°20'N
Longitude: 64°10'W
Peralkaline complex with magmatic rare-element (NYF) pegmatite-aplite lenses hosting Zr, Y, Nb, Be and REE mineralizations.
This complex straddles the Québec-Newfoundland and Labrador border, some 150 km West of Nain and 250km NE of Schefferville.



Mineral List

Aegirine
Aenigmatite
Albite
Allanite-(Ce)
Arfvedsonite
Armstrongite
Astrophyllite
Bafertisite
Bastnäsite-(Ce)
Calciocatapleiite
Calciohilairite
Catapleiite
Dalyite
Elpidite
var: Calcian Elpidite
Epidote
Eudialyte
Fluorite
Gadolinite-(Y)
Gagarinite-(Ce) (TL)
Gagarinite-(Y)
Galena
Gerenite-(Y) (TL)
Gittinsite
Hematite
Hilairite
Hiortdahlite
Ilmenite
Kainosite-(Y)
'K Feldspar'
Leifite
Milarite
Monazite-(Ce)
Mosandrite
Muscovite
var: Sericite

Narsarsukite
Polylithionite
Prehnite
Pyrochlore Group
Quartz
Riebeckite
Sphalerite
Thorite
Titanite
Vlasovite
Willemite
Zircon


47 entries listed. 44 valid minerals. 2 type localities (valid minerals).

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References

BIRKETT, T.C., MILLER, R.R., ROBERTS, A.C., & MARIANO, A.N. (1992) Zirconium bearing minerals from the Strange Lake intrusive complex, Quebec Labrador. Canadian Mineralogist, 30, 191-205.

CURRIE, K.L. (1976) The Alkaline Rocks of Canada. Geological Survey of Canada Bulletin 239. 207 209.

CURRIE, K.L. (1985): An unusual peralkaline granite near Lac Brisson, Quebec-Labrador. Geological Survey of Canada Paper 85-1A, 73-90.

GROAT, L.A. (1998): The crystal structure of gerenite-(Y), (Ca,Na)2(Y,REE)3Si6O18$2H2O, a cyclosilicate mineral. Canadian Mineralogist 36, 801-808.

JAMBOR, J.L., ROBERTS, A.C., GRICE, J.D., BIRKETT, T.C., GROAT, L.A. & ZAJAC, S. (1998): Gerenite-(Y), (Ca,Na)2(Y,REE)3Si6O18$2H2O, a new mineral species, and an associated Y-bearing gadolinite-group mineral, from the Strange Lake peralkaline complex, QuebecBLabrador. Canadian Mineralogist 36, 793-800.

JAMBOR, J.L., ROBERTS, A.C., OWENS, D.R., & GRICE, J.D. (1996) Zajacite-(Ce), a new rare-earth fluoride from the Strange Lake deposit, Quebec-Labrador. Canadian Mineralogist, 34, 1299-1304.

KERR, A. (2010) Rare-earth-element (REE) mineralization in Labrador: A review of known environments and the geological context of current exploration activity. Newfoundland and Labrador Department of Natural Resources Current Research 2010 pp 109-143

KERR, A. AND RAFUSE, H. (2012) Rare-earth element (REE) geochemistry of the Strange Lake deposits: Implications for resource estimation and metallogenic models. Newfoundland and Labrador Department of Natural Resources Current Research 2012 pp39-60

MILLER, R. (1990) The Strange Lake pegmatite-aplite-hosted rare-metal deposit, Labrador. Newfoundland Department of Mines and Energy, Geological SurveyBranch, Report, 90-1, 171-182.

MILLER (1996) Structural and textural evolution of the Strange Lake peralkaline rare-element (NYF) granitic pegmatite, Quebec-Labrador. Canadian Mineralogist, 34, 349-371.

SALVI, S. & WILLIAMS-JONES, A.E. (1995) Zirconosilicate phase relations in the Strange Lake (Lac Brisson) pluton, Quebec-Labrador, Canada American Mineralogist, 80, 1031-1040.

SCIBERRAS, M.J., LEVERETT, P., WILLIAMS, P.A., HIBBS, D.E., ROBERTS, A.C. & GRICE, J.D. (2011) The single-crystal X-ray study of zajacite-(Ce) and the redefinition of zajazite-(Ce) as gagarinite-(Ce). Canadian Mineralogist 49, 1111-1114.



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