 | | 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 (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:... Pye). Upper Back Cover Upper Upper Gold in quartz, Leitch Gold Mines; Beardmore. (Courtesy E. G.... (Courtesy The International Nickel Company of Canada, Limited). Centre left: Eurypterus lacustris, an |  | | Journal (article/letter/editorial) | | from Canada Downloaded by [Florida International University] at 19:52 23 August 2013 C anada is home...from emerald to sapphire, Canada has it all. Yet, for most of its history, Canada has been regarded as a...in Canada (fig. 1). Some gem localities, such as those for amethyst from Nova Scotia and Ontario, have...sapphire in Nunavut, emerald in the Yukon and Ontario, and peridot, topaz, and aquamarine in British...BRADLEY S. WILSON PO Box 352 Kingston, Ontario K7L 4W2 Canada brad@alpinegems.ca 96*2: 405,9(3: |  | | 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) | | 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 |  | | 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) | | SuperiorProvince,Ontario EVA ZALESKI Continental Geoscience Division,Geological Surveyof Canada,Ottawa,Ontario,CanadaKiA...gneissand,in the Gecominearea,by sillimanite-museovite-quartz schistsurrounding the mainorebody; (2) massive...Thesecond alteration unit,sillimanite-museovite-quartz schist, occurs in doseproximity to massive sulfidedeposits...lessambiguity. The basemetal 1982).Sillimanite-museovite-quartz hasalsobeenvariously interpretedas metasedideposits...synvolcanic alteration(Schandl the Winston Lake Zn-Cu mine near Schreiber(Schandlet et al., 1991; Davis et |  | | 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) | | University of Toronto, 22 Russell Street, Toronto, Ontario, Canada M5S 3B1 Abstract Hydrothermal monazite is...or included in primary minerals, most notably in quartz, feldspars, and igneous biotite, hydrothermal monazite...silicates, in secondary albite, and in secondary quartz or amphibole. Some monazite grains are euhedral...(Fig. 1c), particularly in secondary albite and quartz. Some grains are oblate and flat (Fig. 1e), most...when included in colorless secondary minerals (quartz or albite) and light tan or nil when included in |  | | 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 |  | | Journal (article/letter/editorial) | | They are never found in the main gneiss. 9. The quartzâgahnite rock may cut the garnetite and garnet quartzite...quartzite, a rock consisting almost entirely of quartz and garnet. We call these rocks associated with...lowest-T melts are the multiphase inclusions in quartz from Lengenbach, Switzerland, which are enriched...chalcopyrite â sphalerite at the margin of dikes in the Geco mine (Mookherjee & Dutta 1970) suggests that there...Ag-dominant sulfosalts are described from the Pinnacles mine at Broken Hill, Australia (McQueen 1984), which |  | | 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) | | 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 |  | | Journal (article/letter/editorial) | | Sciences, University of Saskatchewan, Saskatoon, Canada SK S7N 5E2 Abstract Platinum group elements (PGE)...the Cu-Zn-Au-Ag deposits of Manitouwadge, Ontario, Canada; and the Cu-Zn-Co deposits of Outokumpu, Finland)...1997), one sample from the Geco Cu-Zn-Ag deposit of Manitouwadge, Ontario, Canada (Pan and Fleet, 1995; Zaleski...from the Cu-Zn-Ag deposits of Manitouwadge, Ontario, Canada; and 5 from the Cu-Zn-Co deposits of Outokumpu...little deformed kuroko deposits of the Hokuroku district (~140 Mt ore at 1.5% Cu, 3% Zn, and 1% Pb) are |  | | 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...Cordierite-orthoamphibole gneiss, amphibolites, quartz-biotite schist and calc-silicate rocks occur in spatial...massive sulphide (VMS) deposits at Manitouwadge, Ontario. Trace-element characteristics, particularly those |  | | 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) | | 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...old rutile. Monazite from a biotite schist at Geco mine gives a similar age of 2661 _+ ! Ma. However,...from a sericite schist, which hosts the ore at Geco mine, is 2675 _+ 2 Ma old. Abraded large monazite grains |  | Lodge, Robert W.D., Gibson, Harold L., Stott, Greg M., Hudak, George J., Jirsa, Mark A., Hamilton, Mike A. (2013) New UâPb geochronology from Timiskaming-type assemblages in the Shebandowan and Vermilion greenstone belts, Wawa subprovince, Superior Craton: Implications for the Neoarchean development of the southwestern Superior Province. Precambrian Research, 235. 264-277 doi:10.1016/j.precamres.2013.06.011 | Journal (article/letter/editorial) | | Sciences, Laurentian University, Sudbury, Ontario, Canada P3E 2C6 Ontario Geological Survey (Retired), Stott...Geoconsulting Ltd., 92 Crater Crescent, Sudbury, Ontario, Canada P3E 5Y6 c Precambrian Research Center, Natural...Sciences, University of Toronto, Toronto, Ontario, Canada M5S 3B1 b a r t i c l e i n f o Article...mineralization, especially in the Kirkland Lake area of Ontario. These mainly locally derived sedimentary assemblages...(Winston Lake/Geco Mines; Davis et al., 1994) and magmatic NiâCu deposits (Shebandowan Mine; Morton, 1982) |  | | 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...brown to black clots associated with sillimanitein quartz-dominatedmatrices,and massiveto felted brown material...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 |  | | Journal (article/letter/editorial) | | IncipientMeltingof SulfidesAlonga Dike Contact,Geco Mine, Manitouwadge,Ontario ASOKEMOOKHERJEEAND N. K. DUTTA Abstract...diabasedike {rom the massive sulfide wall at the Geco mine, display the {oilowing unusual {eatures: (i) extremely...1967), at the Horne and the Normetal mines Noranda District (Brown 1948), and at Zawar mines India (Mookherjee...Fellowshipat the University of Western Ontario, London, Canada. Subsequentlaboratorystudieswere madeby... K. D.). GeologicalSetting The Geco ore body in Manitouwadge,Ontario, is situated within Precambrian |  | | 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) | | 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 (issue) | | New York Articles Amethyst from the Thunder Bay region, Ontario .......................................AMETHYSTINE QUARTZ group 4 x 5 cm, collected in 1978 by Donald Elliott at the Diamond Willow mine near Thunder...Thunder Bay, Ontario. Photo by Harold and Erica Van Pelt, Los Angeles. England: Roger S. Harker 2 Wellsic...Leicestershire LE7 7Qb Canada: Mrs. J. W. Peat 36 Deepwood Crescent Don Mills, Ontario M3C 1N8 South Africa:...Rubellite Tourmaline on Albite from the Itatiaia mine, Minas Gerais, Brazil. The Rubellite crystal measures |  | | 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) | | 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...1995; Yang and Scott 1996; Relvas et al. 2001; Gemmell et al. 2004). Like the controversy over adulariaâ |
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