1. Abella P.A., Corbella M. and Melgarejo J.C. (1995) Nb-Ta- minerals from the Cap de Creus pegmatite field, eastern Pyrenees: distribution and geochemical trends. Mineral Petrol 55, 53–69.
2. Breaks F.W. and Moore J.M. (1992) The Ghost Lake Batholith, Superior Province of Northwestem Ontario: A Fertile, S-Type, Peraluminous Granite—Rare-Element Pegmatite System. Canadian Mineralogist 30, 835–875.
3. Breaks F.W., Tindle A.G. and Smith S.R. (1999a) Geology, mineralogy and exploration potential of the Big Mack pegmatite system : a newly discovered western extension of the Separation Rapids pegmatite group, NW Ontario., pp. 25–1 to 25–22. Ontario Geological Survey.
4. Breaks F.W., Tindle A.G. and Smith S.R. (1999b) Rare-metal mineralisation associated with the Berens River—Sachigo Subprovincial boundary, northwestem Ontario: Discovery of a new zone of complex-type, petalite subtype pegmatite and implications for future exploration. In Summary of Field Work and Other Activities 1998, pp. 168–182. Ontario Geological Survey.
5. Card K.D. and Ciesielski A. (1986) Subdivisions of the Superior Province. Geoscience Canada 13, 5–13.