| | Journal (article/letter/editorial) | Memorial University of Newfoundland, St. John % Newfoundland A I B 3X5 (Canada) (Received June 6, 1982;...northern margin of the Grenville Province in western Labrador -anatomy of an ancient orogenic front. Precambrian...Precambrian Res., 22: 41--73. In western Labrador, the northern margin of the Grenville Province, k n o w n...gneiss terrain, and against the Churchill Foreland Zone composed of weakly metamorphosed and deformed Aphebian...gave rise to northeast trending structural elements and are interpreted to be part of a single protracted | | | Journal (article/letter/editorial) | biotite and hornblende across the Grenvillian metamorphic gradient in southwestern Labrador R. D. DALLMEYER...Geology, University of Georgia, Athens, Georgia 30602 and TOBY RWERS Department of Earth Sciences, Memorial...University of N~oundIand. St. Johnâs, N~oun~a~, Canada AlB 3X5 (Received March 10, 1982; accepfed in...hornblende and 20 biotite concentrates separated from rocks collected across the gamet and kyanite zones of...metamorphism in southwestern Labrador. Most hornblende spectra fm.m the kyanite zone are slightly discordant | | | Journal (article/letter/editorial) | Earth and Planetary Science Letters, 61 (1982) 85-96 85 Elsevier Scientific Publishing Company, Amsterdam...remetamorphosed Archean basement terrane in southwestern Labrador R.D. Dallmeyer Department of Geology, University...terrane adjacent to the southwestern portion of the Labrador Trough were variably retrograded during a regional...of the gneiss terrane record 't°Ar/39Ar plateau and isochron ages which date times of cooling following...during Grenville metamorphism are petrographically and texturally distinct. A representative of this phase | | | Journal (article/letter/editorial) | for the plutonic and tectonometamorphic evolution of Lake Melville terrane, Labrador and implications for...Sciences, Memorial University, St. Johnâs, Newfoundland, Canada A1B 3X5 Received 25 February 1999; accepted...northeastern margin of the Grenville Province in Canada, crust of Labradorian age (1.71â1.62 Ga) was variably...describe previously unreported field relationships and present ten new UâPb ages from a transect across...zone, occurred during the interval 1617â1610 Ma and was therefore a late Labradorian feature. Approximately | | | Journal (article/letter/editorial) | Mineralogy and Petrology of the Metamorphosed Wabush Iron Formation, Southwestern Labrador1 by CORNELIS...district immediately west and northwest of Labrador City, Labrador, Newfoundland, Canada. The Wabush iron ore...ore district lies between 52° 54' and 53° 06' north 1 Contribution of the Department of Geological Sciences...(Proterozoic) age is part of the Labrador Trough in southwestern Labrador, Canada. It is the regionally metamorphosed...of the central part of the Labrador Trough. The metamorphic grade is kyanite-staurolite zone, as concluded | | | Journal (article/letter/editorial) | Sciences, Memorial University of Newfoundland, St John's, NFLD, A l B 3XS Canada ABSTRACT High-pressure-temperature...order to constrain depths of burial and P-T paths. Mineral assemblages and partial melting relationships in...between 700 and 800°C. However, growth zoning is apparently well preserved in garnets and only narrow...Despite uncertainties regarding mineral assemblages and compositions of matrix minerals at early stages of...pressure and temperature up to a common maximum at pressures between 1300 and 1600MPa, and that thermal | | | Journal (article/letter/editorial) | Regionalmetamorphism of Proterozoic LabradorTrough,Canada ConNnus KUIN Department of Geology, Indianq Uniuersity...GrenvilleFront this productof primarysedimentation and of diagenesis, sameiron-formationexhibitsthe effectsof...granulitefacies.Althoughtheiron-formation wherethe Labrador Trough sequences have becomeinvolvedin the GrenvilleOrogeny...calcite),magnetite,hematite,greenalite,stilpnomelane,and minnesotaite. Amphibolitefaciesiron-formationcontainsabundantFe-Mg...highestmetamoraswellasiron oxidesand Fe-richcarbonates. and Ca-clinoamphiboles, with lesserclinopyroxene. phic | | | Journal (article/letter/editorial) | metamorphic Geol., 2003, 21, 35â48 Metamorphic textures and PâT evolution of high-P granulites from the Lelukuau...Sciences, Memorial University of Newfoundland, St Johnâs NF, A1B3X5, Canada (afin@sparky2.esd.mun.ca) ABSTRACT...ABSTRACT High-pressure (HP) granulites and eclogitized metagabbro are exposed along an orogen-parallel...garnet, Al-Na diopside, and, depending on bulk composition, plagioclase and kyanite. Moreover, the distribution...garnet porphyroblasts nucleated together with kyanite in An-rich cores of plagioclase domains whereas | | | Report (chapter) | Province in eastern Labrador, Canada CHARLES E GOWER Newfoundland Department of Mines and Energy, PO Box...Box 8700, St John's, Newfoundland A1B 4J6, Canada Abstract: Rifting at c. 1.71 Ga separated the Mealy Mountains...Mountains terrane from pre-Labradorian Laurentia and resulted in a short-lived (backarc?) basin, followed...arcs and subduction were also short lived, terminating when accretion against the Makkovikian and Eastern...waning granitic magmatism until 1.60 Ga. The Labrador Orogen and older rocks in the Mealy Mountains terrane | | | Report (chapter) | long-duration collisional orogen â insights from the spatial and thermal evolution of its orogenic fronts Toby Rivers...long-duration collisional orogen â insights from the spatial and thermal evolution of its orogenic fronts TOBY RIVERS...Memorial University of Newfoundland, PO Box 4200, St. Johnâs NL, A1B 3X5, Canada (e-mail: trivers@mun.ca)...Grenville Front, and a former front, the Allochthon Boundary Thrust. Structural, metamorphic and geochronologic...geochronologic data for both boundaries and their hanging walls from the length of the Grenville Province are compared | | | Journal (article/letter/editorial) | Precambrian Research 90 (1998) 59â83 Petrology and UâPb geochronology of mafic, high-pressure, metamorphic...Sciences, Memorial University of Newfoundland, St Johnâs, Newfoundland, Canada A1B 3X5 Received 8 September...accepted 8 January 1998 Abstract A suite of mafic and ultramafic rocks from the Tshenukutish domain, eastern...have been the subject of a detailed petrographic and geochemical study combined with UâPb geochronology...eclogite-bearing, Manicouagan Imbricate Zone. The mafic and ultramafic rocks are characteristic of two of the | | | Journal (article/letter/editorial) | Compositions and Eqiulibria in the Metamorphosed Iron Formation of the Gagnon Region, Quebec, Canada by P....petrologists because of their chemical simplicity and responsiveness to changes in external conditions...reactions they display involve hydrous and anhydrous silicates, carbonates, and iron oxides. In cases where equilibrium...without orthopyroxene, grunerite, magnetite, ankerite, and siderite. Five specimens contain assemblage (2),...quartz+clinopyroxene+actinolite+calcite+magnetite+hematite, and two contain assemblage (3), quartz+orthopyroxene | | | Report (volume) | founded in 1807 as the Geological Society of London and is the oldest geological society in the world It...membership of 8000. It has countrywide coverage and approximately 1000 members reside overseas. The...the Societyâs international journals, books and maps, and which acts as the European distributor for publications...American Association of Petroleum Geologists, SEPM and the Geological Society of America. â Fellowship...recognized honours degree in geology or cognate subject and who have at least two yearsâ relevant postgraduate | | | Journal (article/letter/editorial) | textures in high-grade metamorphic rocks Paula Ogilvie and Roger L. Gibson School of Geosciences, University...of arrested reaction and preservation of partial equilibrium in metamorphic and igneous rocks. Compositional...the persistence of chemical potential gradients and incomplete equilibration. Major controls on corona...include prevailing pressure (P ), temperature (T ) and water activity (aH2 O) during formation, reaction...corona layer growth; reactant bulk compositions (X) and the extent of metasomatic exchange with the surrounding | | | Book | Minerals and Rocks 21 Editor in Chief P. J. Wyllie, Pasadena, CA Editors A. El Goresy, Heidelberg W...Ashwal. p. cm. - (Minerals and rocks; 21) Includes bibliographical references and index.ISBN-13: 978-3-642-77442-3... reproduction on microfilm or in any other way, and storage in data banks. Duplication of this publication...Law of September 9, 1965, in its current version, and permission for use must always be obtained from Springer-Verlag...exempt from the relevant protective laws and regulations and therefore free for general use. Typesetting: | | | Report (Issue volume) | GE and Economic Minerals of Canada PART A NUNC COCNOSCO EX PARTE THOMAS J. BATA LIBRARY TRENT UNIVERSITY...ol GEOLOGY AND ECONOMIC MINERALS OF CANADA © Minister of Supply and Services Canada 1976 Available...by mail from Printing and Publishing Supply and Services Canada Ottawa, Canada K1A 0S9 or through your...bookseller Catalogue No. M43-1/1976-1-7 Price: Canada: $8.00 ISBN 0-660-00553-0 Other countries: $9.60..., Altona, Manitoba, Canada Contract No. OKX6-0236 GEOLOGICAL SURVEY OF CANADA ECONOMIC GEOLOGY REPORT | | | Book | in Precambrian Geology 6 IRON-FORMATION: FACTS AND PROBLEMS DEVELOPMENTS IN PRECAMBRIAN GEOLOGY Advisory...Windley Further titles in this series 1 . B.F. WINDLEY and S.M. NAQVI (Editors) Archaean Geochemistry 2. D.R... DEVELOPMENTS IN PRECAMBRIAN GEOLOGY 6 IRON-FORMATION FACTS AND PROBLEMS Edited by A.F. TRENDALL Geological Survey...Survey, Department of Mines, Perth, W.A., Australia and R.C. MORRIS Division of Mineralogy, CSIRO, Wembley...Netherlands Distributors for the United States and Canada. ELSEVIER SCIENCE PUBLISHING INC 52, Vanderbilt | | | Report (volume) | Ancient Orogens and Modern Analogues The Geological Society of London Books Editorial Committee Chief...GIEREÌ (GERMANY ) TOM MC CANN (GERMANY ) DOUG STEAD (CANADA ) RANDELL STEPHENSON (UK) IUGS/GSL publishing...International Union of Geological Sciences and the Geological Society of London and arises from IGCP 453 project entitled...entitled âAncient orogens and modern analoguesâ. GSL is the publisher of choice for books related to...to IUGS activities, and the IUGS receives a royalty for all books published under this agreement. Books | | | Journal (article/letter/editorial) | GI N A L P A P E R CliïŹ S. J. Shaw Mechanisms and rates of quartz dissolution in melts in the CMAS...solvent melts with silica activity from 0.185â0.56 and viscosity from 0.03â4.6 Pa s show that the dissolution...dependent on the degree of superheating, silica activity and the viscosity of the solvent. Dissolution rates increase...with increasing melt temperature and decreasing silica activity and viscosity. Quartz dissolution in...in melts with viscosity <0.59â1.9 Pa s and silica activity <0.47 is controlled by the rate of interface | | | Book | MINING INDUSTRY William Petruk Ottawa, Ontario, Canada 2000 ELSEVl ER Amsterdam - Lausanne - New York...under copyright by Elsevier Science, and the following terms and conditions apply to its use: Photocopying...national copyright laws. Permission of the Publisher and payment of a fee is required for all other photocopying...for advertising or promotional purposes, resale, and all forms ot document delivery. Special rates are...Permissions". In the USA. users may clear permissions and make payments through the Copyright Clearance Center | | | Report (volume) | continent, Greenland, the West Indies and adjacent islands, Hawaii, Guam, and other island possessions but not...listed alphabetically by author, with full title and publication data. There follows a subject index to...index are those used by the individual authors, and their listing here does not imply approval by the...S. Loud, Mildred C. Mead, Virginia S. Neuschel, and Dorothy B. Vitaliano. The "Bibliography of North...1232 (1962), 1233 (1963), 1234 (1964), 1235 (1965), and 1266 (1966). v SERIAL LIST Acad. Nat. Sci. Philadelphia | | | Report (issue) | America Edited by Richard P. Tollo Department of Earth and Environmental Sciences George Washington University...Geological Survey of Canada GSC-QuĂ©bec, 880 Chemin Sainte-Foy QuĂ©bec, QuĂ©bec G1S 2L2 Canada James M. McLelland...thereof, such as abstracts, into computer-readable and/or transmittable form for personal or corporate use...StratigraphicâProterozoic. 2. GeologyâEast (U.S.) 3. GeologyâCanada, Eastern. I. Tollo, Richard P. II. Memoir (Geological...Richard P. Tollo, Louise Corriveau, James McLelland, and Mervin J. Bartholomew 1 Canadian Grenville Province | | CLIFFORD, T. N., BARTON, E. S., RETIEF, E. A., REX, D. C., FANNING, C. M. (1995) A Crustal Progenitor for the Intrusive Anorthosite--Charnockite Kindred of the Cupriferous Koperberg Suite, O'okiep District, Namaqualand, South Africa; New Isotope Data for the Country Rocks and the Intrusives. Journal of Petrology, 36 (1) 231-258 doi:10.1093/petrology/36.1.231 | Journal (article/letter/editorial) | ERIKA S. BARTON2, EDWARD A. RETIEF3, DAVID C. REX4 AND C. MARK FANNING5 'DEPARTMENT OF GEOLOGY, UNIVERSITY...SOUTH AFRICA 'DIVISION OF EARTH, MARINE AND ATMOSPHERIC SCIENCE AND TECHNOLOGY, CSIR, PRETORIA, SOUTH AFRICA...small bodies of the Koperberg Suite, and of 500-550 Ma for the suite and intrusive rocks largely composed...diorite, and leuconorite, norite and melanorite-hypersthenite; 30 An ÂŁjvw value of'â 7, and its volume...volume and composition, suggest mines have been established in the O'okiep District in the a crustal-melt | | | Book | Further t i t l e s in this series 1. B.F. WINDLEY and S.M. NAQVl (Editors) Archaean Geochemistry 2. D.R...Netherlands Distributors for the United States and Canada: ELSEVIER NORTH-HOLLAND INC. 52, Vanderbilt...mid-ocean ridges, oceanic trenches, great faults, and active mountain belts. It is now generally believed...believed that the movements of the continents and of the sea floor are part of large-scale movements of plates...growth of the continental crust, tectonic style, and formation of calc-alkalic igneous rocks. Data exist | | | Report (issue) | âąiectonics rriagmstism and mt-taminerat deposits life and the $nd glaciation and Its companion, GSA Memoir...cat.on o^' ^he Lewis G Weeks Hall [ogical Sciences and to celebrate terr al ct the Departmimt of Geolo-...reserved. All materials subject to this copyright and included in this volume may be photocopied for the...magnetic overprinting and tectonics of the Laurentian Shield . David J. Dunlop and Larry D. Schutts Proterozoic...Proterozoic orogenies and crustal evolution A. J. Baer 1 11 35 . 47 Proterozoic mobile belts compatible |
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