 | | Journal (article/letter/editorial) | | Minnesotaite*' 5 MC1 6 3 Auburn mine, Minnesota near Ardua Lake, Quebec Bluebellmine, Riondel, British Columbia...are detected in some cases-magrretitefor the Ardua Lake minnesotaite (650/oof Fe,.,) and hematite for...trioctahedral silicates such as greenalite and biotite (Coey, A (mmis) 0.02(1 ) 1988), where it is associatedwith...However, the averageferrous hyperfine field in biotite, which has both Sample M I and M2 ferrous occupancy |  | | Journal (article/letter/editorial) | | Regionalmetamorphism of Proterozoic LabradorTrough,Canada ConNnus KUIN Department of Geology, Indianq Uniuersity...shows the biotite isogradcrossingtheLabradorTrough approximately l2 miles south of Sawbill Lake (Fig. l)...south of the biotite isograd (Fig. l) have been made by Mueller (1960) in the Bloom Lake area, by Kranck...Kranck (1961) in the Mount Reed and Hobdad Lake areas,by Klein (1966)in the Labrador City area, and by Butler...locatedand listed in the legend.The location of the biotite isograd, which is the northernmost is after Fahrig(1967) |  | | Journal (article/letter/editorial) | | correspond to the boundaries between the chlorite and biotite zone (Winkler 1979). Chromian spinels with such...petrology of the Sokoman iron formation near Ardua Lake, Quebec. Can. Journ. of Earth Sci. 15:480-500...the Nemeiben ultramafic complex, Saskatchewan, Canada. Mineral. Deposita 16:409-424 (1981) Mercier, J...River ultramafic body, Cassiar, British Columbia, Canada. J. Petrol. 18:567-594 (1977) Ramdohr, P.: A widespread...Nickel distribution in serpentinites from Puddy Lake, Ontario. Proc. Geol. Assoc. Can. 18:67-91 (1967) |  | | Journal (article/letter/editorial) | | common in the SokomanIron Formation in Labrador, Canada(Klein and Fink, 1976),the Biwabik Iron Formation...1968),and the Gunflint Iron Formation, Ontario, Canada (Floran and Papike, 1975).Haase (1979) reports...veinlet of a very finegrained, light brown, matted, biotite-tke material that cuts acrossa medium-grainedassemblageof...intermediatein compositionbetweenstilpnomelaneand biotite. The MgO content is very much larger than that...Representativeelectron probe analysesof stilpnomelane and a biotite-like phase in the Marra Mamba Iron Formation (columns9 |  | | Journal (article/letter/editorial) | | stilpnomelane-zussmanite-chlorite-grunerite, stilpnomelane-biotite-chlorite-grunerite, and stilpnomelane-biotitealmandine-grunerite...to chlorite, but if larger, it is replaced by biotite. At pressures less than 4 kilobars, the zussmanite...chamosite, stilpnomelane, ripidolitic chlorite, biotite, almandine garnet, and hornblende, at various metamorphic...data. Because his stilpnomelane was K-free and biotite was not considered, these phase relations of stilpnomelane...iron-formations are stilpnomelane, ripidolitic chlorite, biotite, and almandine garnet. Al-greenalite and chamosite |  | | Journal (article/letter/editorial) | | These are: (1) subgreenschist, T ~ 250 °C; (2) biotite grade, T ~ 400 °C; (3) amphibolite grade, T ~ 550...siderite/ankerite pairs available from rocks near the biotite isograd. Neither Goldsmith's nor Rosenberg's experiments...Carbonates in the system CaCO 3 -MgCO 3 -FcCO 3 for biotite grade (T as 400 ° Q conditions Field boundaries... and Dietrich (1983). The subgreenschist and biotite grade diagrams show crossing tie-lines, which may...suggest that the three-phase carbonate field for the biotite zone is shifted to more Mg-rich conditions than |  | | Journal (article/letter/editorial) | | Dol—dolomite, Cal—calcite, Di—diopside, Grt—garnet, Bt— biotite, Ap—apatite. BIF. Our data on the BIF of the Kursk...of predominantly quartz–muscovite and muscovite–biotite composition, sometimes with garnet, up to 15 m...ferriwinchite, and biotite. The lower schist subformation consists of dark gray quartz–biotite, biotite–garnet,... and grunerite– biotite–garnet schists and has an average thickness of 60 m (at the Lebedinskoe deposit)...is composed of magnetite, grunerite–magnetite, biotite–magnetite, and riebeckite–ferriwinchite–magnetite |  | | Journal (article/letter/editorial) | | Ga (e.g., those of the Lake Superior region, U.S.A., Labrador Trough, Canada, and the Nabberu Basin of...iron-formations of the younger Lake Superior region, U.S.A., and the Labrador Trough, Canada, are commonly 1473...iron-formations in the Rapitan Group, Yukon and N.W.T., Canada; in the Urucum region, Brazil; and in the Damara...those of and chert deposited from seawater. the Lake Superior region in the U.S.A. and the Labrador Other...Trough of Canada. Both of these regions have been subjected to regional metamorphism. The Lake Superior |  | | Journal (article/letter/editorial) | | ankerite + siderite from samples located near a biotite isograd. As pointed out by Anovitz and Essene (1987)...A1203 - SiO2 - TiO2 - HzO - COs. Atomic Energy of Canada Ltd. Tech Rep TR-377, Available from SSDO AECL...of Proterozoic iron-formation, Labrador Trough, Canada. Am Mineral 63:898-912 Klein C, Fink RP (1976)...petrology of the Sokoman Iron Formation near Ardua Lake, Quebec. Can J Earth Sci 15:480500 Machamer JF...assemblages from Tete Jaune Cache, British Columbia, Canada. Can Mineral 13:151-161 Plymate TG, Stout JH (1989) |  | | Book | | Netherlands Distributors for the United States and Canada. ELSEVIER SCIENCE PUBLISHING INC 52, Vanderbilt...five of the great iron districts of the world - Lake Superior, Hamersley, Labrador Trough and its extensions...and several, notably those of Lake Superior, the Ungava belt of Canada, and of the Transvaal Supergroup...Newfoundland, St. Johns, Newfoundland A1B 3 x 5 , Canada. A.D.T. GOODE Exploration Department, BHP Pty...Geological Survey of Canada, 6 0 1 Booth Street, Ottawa, Ontario K1A OE8. Canada. W.D.M. HALL Broken |  | | Journal (article/letter/editorial) | | particularly in view of its role in the stability of biotite (Wintsch, in preparation). Simplified phaserelations...58,6+72. Brown, E. H. (19?l) Phaserelations of biotite and stilpnomelane in the greenschistfacies.Contrib...Ed, Researches in Geochem_ Iron Formation near Ardua Lake, euebec. Can. J. Earth Sci., istry, Yol. 2, p...the westernedge of the man Formation in the Knob Lake Area, euebec and New_ Labrador Trough. Econ. Geol |  | | Journal (article/letter/editorial) | | in other trioctahedral sheet silicates, such as biotite, where there is a small increase in β going from...Costa UR, Barnett RL, Kerrich R (1983) The Mattagami Lake mine Archean Zn–Cu sulfide deposit, Quebec: hydrothermal...Silikáty 27:1–18 Dyar MD (1990) Mössbauer spectra of biotite from metapelites. Am Mineral 75:656–666 Dyar MD...petrology of the Sokoman Iron Formation near Ardua Lake, Quebec. Can J Earth Sci 15:480–500 Levien L |  | | Book | | Sciences, Queens University,Kingston, Ontario K7L 3N6, Canada CORNELIS KLEIN, Jr. Department of Geology, University...Sciences, Queens Universitj;Kingston, Ontario K7L 3N6, Canada Present address: GEOTOe Universitt du Que'bec (iMontrtal...C.R 8888, SuccursaleA, MontrkaJ Qutbec H3C 3P8, Canada VI Contributing authors TERRY E. SMITH Deparhnent...University of Wino304 Winhor; Ontario N9B 3P3, Canada JOHN TARNEY Department of Geology, Universig of...Craton (Jolly, 1987a). Volcanic rocks, the Elliot Lake Group at Thessalon (ca. 2450 Ma), occur only in |  | | Report (volume) | | Sciences University of British Columbia Vancouver, BC, Canada V6T 1W5 N. Giiven Dept of Geology Texas Tech...Royal Ontario Museum 100 Queens Park Toronto, ON, Canada M5S 2C6 R.C. Reynolds, Jr. Dept of Earth Sciences...Royal Ontario Museum 100 Queens Park Toronto, ON, Canada M5S 2C6 Series Editor: P.H. Ribbe Dept Geological...Returning to the rocks Diagenesis to chlorite grade Biotite isograd Gamet isograd Vili PETROLOGY 415 More...Amphibole-chlorite Garmet-chlorite Chloritoid-chlorite Biotite-chlorite CONCLUDING REMARKS ACKNOWLEDGMENTS 445 |  | | Book | | quenched from 1638 K, Kroll (1978) Labradorite, An 66, Lake Co., 0 Oregon, Tagai et al. (1980) z 0 Al content...neutron scattering length z Labradorite, An 66, Lake Co., 0 Oregon, Wenk and Kroll (1984) z Labradorite...identified from Table 3.1 50 Order-Disorder The Lake County labradorite with a, b, c and e diffractions...and is not affected by radiation damage (Heuer and Nord 1976, Heuer et al. 1976, Muller and Wenk 1973)....an ellipsoidal cross-section. Finally, Heuer and Nord (1976) pointed out that it would be hard to explain |  | | Book | | Mat 6.10.4 Comparison of Guerrero Negro and Solar Lake Mat Communities 6.10.5 Characteristics of Stromatolites...Geology, University of Montreal, Quebec, H3C 3J7, Canada ELISA D'AMELIO Planetary Biology Branch, National...Geoscience Center, University of Ottawa, KIN 6N5, Canada MALCOLM R. WALTER M. R. Walter Pty. Ltd., P.O....Spain; southern Ontario, arctic, and north-central Canada; and in Michigan, Minnesota, Idaho, Montana, and...previous plus 31 new contributors) 8 (Australia, Canada, Denmark, Germany, South Africa, Sweden, USA, USSR) |
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