 | | Journal (article/letter/editorial) | | 1995 ) 455-488 The late Archean Hemlo gold deposit, Ontario, Canada: a review and synthesis Yuanming...Saskatoon, Sask. S7N 5E2, Canada Department of Earth Sciences, University of Western Ontario, London, Ont. N6A...5B7, Canada Received 18 March 1994; accepted 30 January 1995 Abstract The Hemlo gold deposit, northwestern...northwestern Ontario, Canada, is situated within the late Archean Hemlo--Heron Bay greenstone belt of the...central axis of the greenstone belt. The Hemlo gold deposit is located within the central metamorphic |  | | 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) | | com/locate/oregeorev The Hemlo gold deposit, Ontario, Canada: principal deposit characteristics and constraints...Geology Section, Ontario Geological Survey, 933 Ramsey Lake Road, Sudbury, Ontario, Canada, P3E 6B5 Received...2002 Abstract The Archean, world-class, Hemlo lode gold deposit has been overprinted by deformation and...accounts for all of the characteristics of the deposit. Most proposed models are inappropriate in terms...ratios. The deposit is spatially associated with: highstrain zones; a restraining bend in the Hemlo greenstone |  | | Journal (article/letter/editorial) | | 1104-1120 Calc-SilicateAlterationin the Hemlo Gold Deposit,Ontario:Mineral Assemblages, P-T-X Constraints...Department of Geology, University of Western Ontario,London,Ontario,CanadaN6A5B7 Abstract A late calc-silicate...alterationcharacterizes the ArcheanHemlogolddepositin Ontario, Canada.Calc-silicate minerals,includingepidote-clinozoisite...fluid within a dilatantregionalplanarstructure(the Hemlo shearzone).A direct association of nativegoldgrainswith...Hemlodeposit. Introduction GeologicSetting The Hemlo gold depositis locatedapproximately MOSTArcheangolddepositsare |  | | Journal (article/letter/editorial) | | geochemistry of vanadian silicates in the Hemlo gold deposit, Ontario, Canada Yuanming Pan and Michael E. Fleet...of Geology,Universityof Western Ontario, London,Ontario N6A 5B7, Canada, Received March 22, 1991/Accepted...present in green mica schist from the Hemlo gold deposit, Ontario, Canada. Vanadium-rich silicate minerals...talc and tremolite in other lithologies of the Hemlo deposit. The principal substitution that incorporates...Vanadium-enriched green mica schist from the Hemlo gold deposit is characterized by uniform Ti/Zr ratios |  | | Journal (article/letter/editorial) | | Metamorphism of Hydrothermal Alteration at the Hemlo Gold Deposit, Ontario MARTIN HEILIGMANN, ANTHONY E. WILLIAMS-JONES...Street, Montreal, Quebec, Canada H3A 2A7 Abstract The Hemlo Au (-Mo) deposit is an example of atypical...north-central Ontario. The ore is shear hosted and consists primarily of disseminated native gold in several...amphibole was present prior to alteration and that gold mineralization occurred at pressure-temperature...primarily to the very high fS2 during alteration and gold mineralization, which caused iron to partition preferentially |  | | Journal (article/letter/editorial) | | Deformation at Hemlo, Ontario, and the Timingof Au-Mo Mineralizationin the GoldenGiant Mine ROGE•J. KUHNS...Golden Giant mine is developedin the ArchcanHemlo gold-molybdenumdeposit hostedwithin the Hemlo-HeronBay...alteration,anda varietyof other minerals. The Hemlo areahasbeen intrudedby quartz-feldsparporphyries(the...garnet,epidote,chlorite,and muscovite.The GoldenGiant mine rocksare stronglyfoliated,andcommonlyexhibitmyloniticandtransposed...metasedimentaryrocks. Mineralized THE Golden Giant mine representsthe central por- rocksare enrichedin Au |  | | Book | | enOLOGIOAT SURVEY OF CANADA. AALFRED R C.SELWYN, C. M. G., LL.D. F.RS., Director GEOLOGICAL SURVEY...17 20 v1 GEOLOGICAL TABLE OF SURVEY OF CANADA. CONTENTS— Continued. OXYGEN saLTs—Continued...ORES—Continued. Gold ores: Goldabearing Quartzampapg ends ileus Steet ceived ssmam sits)s Gold-bearing rocks...vol hee ke hex yee oe ihe date at von Gold and silver ores : Gold and silver ores from the province of... TABLE METALS oe AND OF THEIR SURVEY OF CANADA. CONTENTS—Continued. ORES—Continued. . Tron |  | Groves, D. I., Goldfarb, R. J., Robert, F., Hart, C. J. R. (2003) Gold Deposits in Metamorphic Belts: Overview of Current Understanding,Outstanding Problems, Future Research, and Exploration Significance. Economic Geology, 98 (1) 1-29 doi:10.2113/gsecongeo.98.1.1 | Journal (article/letter/editorial) | | Economic Geology Vol. 98, 2003, pp. 1–29 Gold Deposits in Metamorphic Belts: Overview of Current Understanding... Future Research, and Exploration Significance DAVID I. GROVES,† Centre for Global Metallogeny, Department...Denver, CO 80225-0046 FRANÇOIS ROBERT, Barrick Gold of Australia Ltd., 10th Floor, 2 Mill St., Perth...Geology Program, Box 2703 (K-10) Whitehorse, Yukon, Canada Y1A 2C6 and Centre for Global Metallogeny, Department...collision has added to, or thickened, continental crust. Gold-rich deposits can be formed at all stages of orogen |  | | Book | | THE MINING INDUSTRY William Petruk Ottawa, Ontario, Canada 2000 ELSEVl ER Amsterdam - Lausanne - New...and to CANMET, Department of Natural Resources Canada in 1995. pilot plant tests on a wide variety...Prof G. Barbery, Laval University, Quebec City, Canada, Dr. R. Lastra, CANMET, myself and many others...metal (copper, zinc and lead) volcanogenic ores, gold ores, porphyry copper ores, iron ores, and industrial...were: R.E. Healy, Minoretek, Winnipeg, Manitoba, Canada, Dr. K. Kojonen, Geological Survey of Finland, |  | | Book | | he has integrated experience in tectonics, ore deposit geology and mineral exploration. It is this wealth...8 The East Kemptville Sn Greisen, Nova Scotia, Canada . 4.3.9 The Brandberg West Greisen Vein Systems.... . . . . . . . . . . . . 4.4 Intrusion-Related Gold, Polymetallic and Uraniferous Vein Systems and Breccia...Scheelite Dome, an Intrusion-Related Au Deposit, Yukon, Canada . . . . . . . . . . . . . . . . . . . ...Complexes. . . . . . . . . . . . 4.6 Iron Oxide-Copper-Gold-Rare Earth Elements-Uranium Mineral Systems . . |  | | Book | | incurred in the machinery and the working of the mine. Sixthly, his learning must comprise Architecture...emerged in 1982 consists of eight sections: General Mine Design Considerations, Stopes Requiring Minimum...Financial Considerations, Foundations for Design, and Mine Ventilation. It has been nearly 20 years since the...acknowledged. includes revised sections on general mine design, mining methods, and foundations for design...Preface ix SECTION 1 SECTION 2 SECTION 3 GENERAL MINE DESIGN CONSIDERATIONS 1 CHAPTER 1 Underground Mining |  | | Book | | Nucleogenesis. Chalk River Report, AELC (Atomic Energy Canada), CRL-41. Colgate S. A. and White R. H. (1966)...(1957) Chalk River Report CRL-41, Atomic Energy Canada. Pubs. Astron. Soc. Pacific 69, 201–222. Cameron...tungsten, rhenium, osmium, iridium, platinum, and gold were all taken from the paper by Jochum (1996) and...from massive stars. (reproduced by permission of David Malin Images and the Anglo-Australian Observatory)...confined to the region within 0.1 AU of the star (Bell and Lin, 1994). The evolution of midplane temperatures |  | | Report (issue) | | 222 4 Limestone 177 173.59 12/69 16G7 David Bell Rowe Bros. 1963 265 210 Limestone 182 ... Pliocene Series Sever (1966a, p. 5) described a deposit of gravel and coarse sand up to 90 ft (27 m) thick...isolated patches of gravel, none were noted. This deposit does not contrast sharply enough with the underlying...pipes. Sulfate Oxidation of sulfides, gypsum. anhydrite, industrial waste Combines with calcium to form |
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