| | Report (issue) | Ontario Geological Survey Open File Report 6000 Summary of Field Work and Other Activities 1999 1999...1999 ONTARIO GEOLOGICAL SURVEY Open File Report 6000 Summary of Field Work and Other Activities 1999...Marshall Lake volcano on the northern margin of eastern Wabigoon Subprovince, northwestern Ontario; in Summary...Summary of Field Work and Other Activities 1999, Ontario Geological Survey, Open File Report 6000, p.23-1...Printer for Ontario, 1999 © Queen’s Printer for Ontario, 1999. Open File Reports of the Ontario Geological | | | Journal (article/letter/editorial) | rare-element granitic pegmatites: Separation Lake area, N.W. Ontario, Canada A. G. Tindle1 and F. W. Breaks2 1 ...Kingdom 2 Ontario Geological Survey, Mines and Mineral Research Centre, Sudbury, Ontario, Canada With 10...Separation Lake area is host to the most important rare-element pegmatites in Ontario, Canada. They include...include the Big Whopper and Big Mack petalite pegmatite systems which potentially represent the world's...granitischen Pegmatiten, Separation Lake-Gebiet, Nordwest-Ontario, Kanada 166 A. G. Tindle and F. W | | | Journal (article/letter/editorial) | FROM THE PAKEAGAMA LAKE AND SEPARATION LAKE AREAS OF NORTHWESTERN ONTARIO, CANADA ANDREW G. TINDLE§ Department...Geoscience Section, Ontario Geological Survey, Sudbury, Ontario P3E 6B5, Canada JULIE B. SELWAY* Department...2N2, Canada ABSTRACT Tourmaline in petalite-subtype granitic pegmatites from the Pakeagama Lake and Separation...Separation Lake areas of northwestern Ontario provides evidence for the compositional evolution of pegmatite-forming...and pegmatite melt – host-rock interactions. At the former locality, tourmaline from the pegmatite units | | Smith, S. R., Foster, G. L., Romer, R. L., Tindle, A. G., Kelley, S. P., Noble, S. R., Horstwood, M., Breaks, F. W. (2004) U-Pb columbite-tantalite chronology of rare-element pegmatites using TIMS and Laser Ablation-Multi Collector-ICP-MS. Contributions to Mineralogy and Petrology, 147 (5) 549-564 doi:10.1007/s00410-003-0538-y | Journal (article/letter/editorial) | Cs, Ta) pegmatites in the Superior Province of Canada. Conventional TIMS analyses of these columbite-tantalite...W. Breaks Ontario Geological Survey, 933 Ramsey Lake Road, Sudbury, Ontario, P3E 6B5, Canada G. L. Foster...Smith Geological Survey of Canada, 601 Booth St., Ottawa, Ontario, K1A 0E8, Canada fractionation between...Pakeagama Lake pegmatite, 2644±7 Ma for the Separation Rapids group, and 2665±8 Ma for the Mavis Lake group...and Mn for Fe during the crystallisation of a pegmatite magma (Cerný and Ercit 1985). The effect on the |
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