Combined U-Pb columbite and laser 40Ar/39Ar mica ages from rare-element pegmatites, Superior Province of Northwestern Ontario

Smith, S. R.; Romer, R. L.; Breaks, F. W.; Kelley, S. P. and Tindle, A. G. (2000). Combined U-Pb columbite and laser 40Ar/39Ar mica ages from rare-element pegmatites, Superior Province of Northwestern Ontario. In: Ayer, J. A. ed. Summary of Field Work and Other Activities 2000. Open File Report (6032). Sudbury, Canada: Ontario Geological Survey, pp. 24–1.

URL: http://www.worldcat.org/oclc/51296768?tab=details#...

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