 | | Report (issue) | | GOVERN YOUR USE OF THIS DOCUMENT Your use of this Ontario Geological Survey document (the âContentâ) is governed... copyright is held by the Queenâs Printer for Ontario. It is recommended that reference to the Content... . ; Ontario Geological Survey, ...670-5691 Toll Free: 1-888-415-9845, ext. 5691 (inside Canada, United States) Local: (705) 670-5691 Toll Free:...(inside Canada, United States) Local: (416) 326-2678 Toll Free: 1-800-668-9938 (inside Canada, United |  | | Journal (article/letter/editorial) | | PROVINCE, CANADA EION M. CAMERONâs2 and KEIKO HATTORI2~3 âGeological Survey of Canada, Ottawa, Ont...Ont. KlA OE8 (Canada) âDerry Laboratory for Sedimentary Geochemistry and Ore Deposits, Ottawa, Ont. KIN...KIN 6N5 (Canada) 3Department of Geology, University of Ottawa, Ottawa, Ont. KIN 6N5 (Canada) (Accepted...isotopically fractionated sulphides in Superior Province, Canada. In: N. Clauer and S. Chaudhuri (Editors), Isotopes...30%0 associated with iron formation near Wawa, Ontario. This has caused some workers to propose an alternative |  | | Report (issue) | | Energy, Mines and Resources Canada E:nergie, Mines et Ressourees Canada Canada THE ENERGY OF OUR RESOURCES...POWER OF OUR IDEAS COVER Left: Amethyst - Thunder Bay, Ontario. Specimen measures 4.5 cm across the base...no. 17206. GSC 204971-1 Geological Survey of Canada Miscellaneous Report 49 ROCKS AND MINERALS FOR... © Minister of Supply and Services Canada 1991 Available in Canada through authorized bookstore agents...bookstores or by mail from Canada Communication Group - Publishing Ottawa, Canada KIA OS9 and from. Geological |  | | Journal (article/letter/editorial) | | University of Toronto, 22 Russell St., Toronto, Ontario, Canada M5S 3B1 Abstract High field strength element...Nicolas (Mexico), and Bathurst (New Brunswick, Canada) plot within the active continental margin field...deposits of the Superior province, Canada (Kidd Creek, Kamiskotia, Geco, Winston Lake, Mattabi, Lyon Lake...Lake, Noranda, Selbaie, and South Bay) plot in the within-plate volcanic zone field. The discriminant diagrams...Kidd Creek, Noranda, Geco, Winston Lake, Mattabi, Lyon Lake, Kamiskotia, South Bay and Selbaieâall from |  | | Report (issue) | | GEOLOGICAL ASSOCIATION PRECAMBRIAN ee OF CANADA SULPHIDE SPECIAL PAPER 25 DEPOSITS H.S. Robinson...Department of Geology, University of Western Ontario, Losdon, Ontario N6A 5B7 C.D. Spence, Rio-Canex Inc.,...Franklin, Geological Survey of Canada, 601 Booth Street, KIA 0E8 Ontario International Standard Book...the Geological Association of Canada. Geological Association of Canada Department of Earth Sciences University...Waterloo Waterloo, Ontario Canada N2L 3G1 Printed by: Johanns Graphics, Waterloo, Ontario AnNnnnnualtceea |  | | Journal (article/letter/editorial) | | SuperiorProvince,Ontario EVA ZALESKI Continental Geoscience Division,Geological Surveyof Canada,Ottawa,Ontario,CanadaKiA...synvolcanic alteration(Schandl the Winston Lake Zn-Cu mine near Schreiber(Schandlet et al., 1991; Davis et...metasedimentary-migmatitic Queticosubprovince (Fig. The Geco mine, which dosed in November 1995, was the 1). Despiteits...wasundertaken by Pye (1957)for the Ontario Historical nomenclature--the "mine series" Department of Mines.He...sector geologists whohaveadopted thehistorical "mine rocksalongtheinnerandoutermargins of thefoldedsupra- |  | | Journal (issue) | | Rocks and Minerals of Ontario -- H f ONTARIO DEPARTMENT OF MINES AND NORTHERN AFFAIRS Honourable...and Minerals of Ontario By D. F. HEWITT Chief, Industrial Mineral Section Ontario Department of Mines...Early Precambrian pillow lavas; Munekun Lake, District of Kenora. (Courtesy L. D. Ayres). Lower right:... (Courtesy The International Nickel Company of Canada, Limited). Centre left: Eurypterus lacustris, an...about 400 m.y. ago; Welland County. (Courtesy Shell Canada Ltd.). right: left: â â â Centre right: Archaeocrinus |  | | Journal (article/letter/editorial) | | HighlyMetamorphosed Volcanogenie Massive SulfideDeposits: Geco,Canada,andPalmeir6polis, Brazil SYLVIAM. AKâąuJO*, STEVEND...University of Toronto, 22 Russell Street,Toronto, Ontario,CanadaM5S3B1 ANDFREDJ. LONGSTAFFE Department of...University of Western Ontario,Biological andGeological Building, London, Ontario,CanadaN6A5B7 Abstract...Abstract ThelargeGeco,Canada, andsmallPalmeir6polis, Brazil,Precambrian metamorphosed volcanogenie massivesulfide...Palmeir6polis facilitated isotopic reequilibration. At Geco,the muchlargeralteration zonewasaneffectively closed |  | | Journal (article/letter/editorial) | | Department of Geology, Royal Ontario Museum, 100 Queen's Park, Toronto, Ontario, Canada M5S 2C6 Received November...Kidd Creek, Geco and Winston Lake massive sulfide deposits, in the Superior Province of Ontario, shows that...years after volcanism. Monazite from Kidd Creek mine is 2659 __ 3 Ma old, in agreement with spatially...schist at Geco mine gives a similar age of 2661 _+ ! Ma. However, monazite from a sericite schist, which...which hosts the ore at Geco mine, is 2675 _+ 2 Ma old. Abraded large monazite grains from three units |  | | Journal (article/letter/editorial) | | Volcanogenic Massive Sulfide Occurrence, Marathon, Ontario, Canada* MARC RINNE1,â ,** AND PETE HOLLINGS1 1 Department...Lakehead University, 955 Oliver Road, Thunder Bay, Ontario P7B 5E1, Canada Abstract The Big Lake volcanogenic...from the Big Lake VMS occurrence near Marathon, Ontario (Fig. 1). The data are used to describe the conditions...province, Canada (Fig. 1A). The study area is approximately 30 km southeast of Marathon, Ontario, with access...access from Umbata Falls Rd. south of Trans Canada Highway 17 (Fig. 2). The Wawa subprovince is a volcano-plutonic |  | | Journal (article/letter/editorial) | | University of Toronto, 22 Russell Street, Toronto, Ontario, Canada M5S 3B1 Abstract Hydrothermal monazite is...upper amphibolite-grade rocks (Winston Lake and Geco VMS deposits), whereas the others are from lower...in the alteration halos of the Winston Lake and Geco VMS deposits in the Abitibi subprovince is the same...et al., 1994), the hydrothermal monazite in the sericite and chlorite alteration halos of the Kidd Creek...analyzed from a granite dike in the ore zone at the Geco mine and compared to hydrothermal monazite from the |  | | Journal (article/letter/editorial) | | 1985. Rinted in U.S.A. The Hemlo gold deposit, Ontario: A geochemical and isotopic study and K.mKo HATTORI**...EION M.CAMERoN*.t *Geological Survey of Canada, Ottawa, Ontario Kl A OE8 **Department of Geology, University...University of Ottawa, Ottawa. Ontario KIN 6N5 tDerry Laboratory for Sedimentary Geochemistry and Ore Deposits...1985) Abstract-The Hemlo deposit, near Marathon, Ontario, is one of the largest gold deposits in North America...INTRODUCTION THE HEMLO GOLD DEPOSIT near Marathon, Ontario was discovered in 198 1, although there is a long |  | | Journal (article/letter/editorial) | | Clay-Chlorite Precursor: Evidencefrom the Geco Mine, Manitouwadge,Ontario R. L. STANTON Delâąartmentof Geologyand...hasbeen observedin drill core from the Geco mine, Manitouwadge,Ontario. Detailed electronmicroprobeanalysisshowsthe...it is suggestedhere that, at least in the caseof Geco, it representsan earlier formedsubstance fromwh...mineralogyof the stratiform Gecodepositat Manitouwadge, Ontario,hasrevealed a creamyyellowto palepinknear-isotropic...establishment fides. to the cordierite associated with the Geco sul- of thisprincipleandin indicatingthe natureof |  | | Journal (article/letter/editorial) | | David L. Huston & Jorge M. R. S. Relvas & J. Bruce Gemmell & Susan Drieberg Received: 24 April 2010 / Accepted:...Lisboa, Portugal e-mail: jrelvas@fc.ul.pt J. B. Gemmell ARC Centre for Excellence in Ore Deposits, University...are only available in the Paleoarchean Panorama district where coeval seawater-dominated and magmaticâhydrothermal...appear to have been physically separated. This district, which is characterised by chloritic and sericitic...importance of magmaticâhydrothermal fluids in adulariaâ sericite (low sulphidation) epithermal veins became controversial |  | | Journal (article/letter/editorial) | | Kaolinitic Precursor: Evidence from the Geco Mine, Manitouwadge,Ontario R. L. STANTON Departmentof Geology...someof the gneisses of the Gecoorebody,Manitouwadge,Ontario. Theseare a colorlessto pale brown translucentmaterial...observed in drill core from the Geco mine, Manitouwadge, Ontario. The Geco Deposit The Gecoorebody,situatedin...situatedin the Manitouwadge area of Ontario just north of Lake Superior(Fig. 1) is now recognizedas a major...metavolcanicrockslocatednear the SILLIMANITE DERIVATION, GECO MINE, ONTARIO boundarybetween the Quetico and Abitibi-Wawa |  | | Journal (article/letter/editorial) | | the Manitouwadge MiningCamp,Superior Province, Canada: A PotentialExploration Tool? EVA S. SCHANDL, MICHAEL...University of Toronto, 22 Russell Street,Toronto, Ontario,CanadaM5S3B1 AND HARDOLPH A. WASTENEYS Department... RoyalOntarioMuseum, 100 Queen's Park,Toronto,Ontario,CanadaM5S3C6 Abstract Traceandrareearthelement(REE)...units:maficvolcanic rocks,acidvolcanic tuffs,anddacites. The Geco,Willroy,Willecho,andBigNamaCreekCu-Zn-Agdeposits...wasobserved in the fblsicvolcanic rocksaroundthe Geco, Willroy,andWillechodeposits. Thepositive correlation |  | | Journal (article/letter/editorial) | | 000. Milne,V.G., 1974,Mapledoram-Gemmell, ThunderBay'district;Ontario Divisionof Mines,Map 2280,scale1:12...Ontario:Preliminary results: Cannitouwadge, Ontario,Canada: Precambrian Research, v. 74,p. 73-89. adaGeological...Geology oftheManitomvadge greenstone belt,Ontario: Canada ouwadge greenstone belt andthe Wawa-Quetico...scale1:25,000. Superior province, northwestern Ontario: Canada Geological Survey CurĂ1995,Depositional setting...andageconstraints greenstone belt,northwestern Ontario: Canada Geological Survey Current of MinesAnnualReport66 |  | | Journal (article/letter/editorial) | | Example from the GecoMine, ManitouwadgeDistrict, Ontario, Canada ERICH U. PETERSEN Departmentof Geologyand...massive sulfidedeposits arethe majorsource of tin in Canada(e.g.,KiddCreekandSullivan;Mulligan, 1975). Tin... Gecovolcanogenic massive sulfidedeposit.The Geco mine is well suitedfor a studyof massivesulfide-related...abundances in various rock typesassociated with the Geco massivesulfide ores and reported that cassiteriteis...occurrenceand origin of tin in the Geco deposit. GeologicSetting Regionaland district geology The Manitouwadgeminingdistrict |  | Beaudoin, G., Mercier-Langevin, P., Dube, B., Taylor, B. E. (2014) Low-Temperature Alteration at the World-Class LaRonde Penna Archean Au-Rich Volcanogenic Massive Sulfide Deposit, Abitibi Subprovince, Quebec, Canada: Evidence from Whole-Rock Oxygen Isotopes. Economic Geology, 109 (1) 167-182 doi:10.2113/econgeo.109.1.167 | Journal (article/letter/editorial) | | Massive Sulfide Deposit, Abitibi Subprovince, Quebec, Canada: Evidence from Whole-Rock Oxygen Isotopes* Georges...QuĂ©bec, QC, Canada G1V 0A6 2 Geological Survey of Canada, 490 de la Couronne, QuĂ©bec, QC, Canada G1K 9A9...9A9 3 Geological Survey of Canada, 601 Booth Street, Ottawa, ON, Canada K1A 0E8 Abstract The oxygen isotope...from that of the other VMS deposits of their host district, and a number of them are hosted by transitional...Georges.Beaudoin@ggl.ulaval.ca *Geological Survey of Canada contribution 20110346. 0361-0128/14/4184/167-16 |  | | Journal (article/letter/editorial) | | Ottawa, Ontario KlP 5S9, Canada 2Geological Survey of Canada, 60 1 Booth St., Ottawa, Ontario K I A 0E8...0E8, Canada âRaven Beck Environmental Ltd., 265 Carling Ave., Ottawa, Ontario KIS 2E1, Canada (Received...review of existing hydrogeological information at mine sites on the shield. The boron isotope results are...are the first analyses reported for deep mine waters from the shield. The locations of these mines are...samples were collected from mine seeps and flowing underground boreholes by mine personnel as part of a questionnaire |  | | Report (volume) | | quadrangle in northern Minnesota and southern Ontario has been studied in cooperation with the Minnesota...international border separating Minnesota and Ontario and lies within the southern part of the Archean...greenschistfacies metamorphism; the Vermilion district is located within this subprovince, southeast...at an elevation of 150m above the surface. In Ontario, data were taken from northsouth surveys flown...elevation of about 300m by the Geological Survey of Canada. In the southwestern part of the area, data were |  | | Journal (article/letter/editorial) | | (Stillwdl and Edwards 1956), the Coeur D'Alene district, Idaho (Sorensen 1951), the H o m e (Price 1934;...Normetal (Brown 1948) mines, Quebec, and the Zawar mine (Mookherjee 1964b), India. Members of the so-called...strata-bound massive sulphide orebodies in many mines in Ontario and N. W. Quebec. Pre-ore age of such intrusives...particularly emphasized, have been reported from the Magma mine, Arizona (Peterson 1962; Sell 1960; Short 1943)...Diabase-massive sulphide age relationship at the t-Iorne mine, Noranda, P. Q., is longstanding and well-known |  | | Journal (article/letter/editorial) | | volcanogenic massive sulphide camp: Manitouwadge, Ontario, Canada Yuanming Pan a, M i c h a e l E. Fleet b ... Sask. STN OWO, Canada bDepartment of Earth Sciences, University of Western Ontario, London, Ont. N6A...N6A 5BZ Canada Received 12 April 1994; revised version accepted 20 February 1995 Abstract Cordierite-orthoamphibole...massive sulphide (VMS) deposits at Manitouwadge, Ontario. Trace-element characteristics, particularly those...Archaean terranes. The Manitouwadge mining camp, Ontario, Canada represents one of the classic localities of |  | | Journal (article/letter/editorial) | | Universityof Toronto,22 RussellStreet,Toronto,Ontario, CanadaM5S 3B1 Introduction ___ 8 Ma (Smithet...1990). The abundanceof monazite and xenotime in sericite-biotite alterationzonearoundtheKiddCreek, the...at Kidd Creek is accomWinston Lake, Mattabi, and Geco massivesulfidedepaniedby significantREE enrichmentin...1984)is evident and in the biotite alteration zone at Geco has been fromtheextremeREEenrichment (upto 2,000times...abovealterationandthe,REEremobilsulfide deposits,chlorite and sericite alterationis ization at Winston Lake was not contemporaneous |  | Corfu, F., Muir, T.L. (1989) The Hemlo-Heron Bay greenstone belt and Hemlo AuîžMo deposit, Superior Province, Ontario, Canada 2. Timing of metamorphism, alteration and Au mineralization from titanite, rutile, and monazite UîžPb geochronology. Chemical Geology: Isotope Geoscience section, 79 (3). 201-223 doi:10.1016/0168-9622(89)90030-4 | Journal (article/letter/editorial) | | Hemlo-Heron Bay greenstone belt and Hemlo AU-MO deposit, Superior Province, Ontario, Canada 2. Timing of...U-Pb geochronology F. CORFU Ontario Geological Survey, c/o Department Ontario Geological (Received December...revised Ontario Museum, Toronto, Ont. M7A 1 W4 (Canada) and accepted May Ont. M5S 2C6 (Canada) 3,1989)...T.L., 1989. The Hemlo-Heron Bay greenstone belt and Hemlo Ontario, Canada, 2. Timing of metamorphism,...consists dominantly of microclinized rocks and pyrite-sericite ? biotite schists with disseminated Au, molybdenite |
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