 | | 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) | | 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 |  | | 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) | | 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) | | 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...present in tourmaline, chlorite, talc and tremolite in other lithologies of the Hemlo deposit. The principal...Vanadium-enriched green mica schist from the Hemlo gold deposit is characterized by uniform Ti/Zr ratios |  | | 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...talc, chlorite, calcite, dolomite,microcline,tourmaline,and quartz are abundantin the diffusewestwardextension(C...fluid within a dilatantregionalplanarstructure(the Hemlo shearzone).A direct association of nativegoldgrainswith |  | | 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 |  | | Journal (article/letter/editorial) | | multi-process genetic hypothesis for greenstonehosted gold lodes R.W. Hutchinson Department of Geology and...multi-process genetic hypothesis for greenstone-hosted gold lodes. In: S.J. Haynes (Editor), Vein-type Ore Deposits...the geology and geochemistry of greenstone-hosted gold lodes have emerged during the worldwide, intensive...reduced conditions of Archean time. They leached gold, silica, carbonate and other components of the ores...This accounts for the widespread low, but anomalous gold content of Algoma type iron-formations and for the |  | | Journal (article/letter/editorial) | | OXIDE MINERALS OF THE GREEN GIANT VANADIUMGRAPHITE DEPOSIT, SOUTHWEST MADAGASCAR VERONICA E. DI CECCO§ AND...History-Mineralogy, Royal Ontario Museum, 100 Queens Park, Toronto, Ontario, M5S 2C6, Canada EDWARD T.C. SPOONER...University of Toronto, 22 Russell Street, Ontario, M5S 3B1, Canada CRAIG SCHERBA NextSource Materials Inc...Wellington Street, West #1001, Toronto, Ontario, M5H 3L5, Canada ABSTRACT Rare vanadium-rich oxide minerals...INTRODUCTION The Green Giant vanadium-graphite deposit is located in southwest Madagascar (Fig. 1), 145 |  | | Journal (article/letter/editorial) | | apatite porphyroblasts from the Hemlo gold deposit, Ontario, Canada YUANMING PAN, MICHAEL E. FLEET AND...Geology University of Western Ontario London, Ontario N6A 5B7, Canada Abstract Oriented inclusions...muscovite schist from the Archaean Hemlo gold deposit, Ontario, Canada. The monazite inclusions are elongated...REE-bearing metamorphic apatite from the Hemlo gold deposit, Ontario, Canada, that occurs as porphyroblasts with...of the diffuse westward extension of the Hemlo gold deposit (Pan and Fleet, 1991a; 1992). The pleochroic |  | | 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 | | Gold Mining87 C.O. BriWwaen editor GIETY oo Digitized by the Internet Archive in 2022 with funding...org/details/goldmining87firsO00Ointe GOLD MINING 87 First International Conference on Gold Mining November 23, 24...24, 25, 1987 Vancouver, British Columbia, Canada C. O. Brawner, Editor Advisory Organizations BC Dept...related to Gold such as geology, mineral processing, placer mining, heap leaching, small mine development...development, etc. This is the first major conference on gold to present an overview from geology to environmental |  | | 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 (volume) | | and Guo Jie 69 Mineralogical mapping in Jiaodong gold province, China Chen Guangyuan, Yang Zhusen and...in the laterite profile at the Igarape Bahia gold deposit, Carajas, Brazil Weisheng Zang, W.S. Fyfe and...rocks and ores of the Golden Giant gold deposit of Hemlo, Ontario, Canada Yuan Chen, W.S. Fyfe and Weisheng...evolution of the minerals in the Jinchuan Cu-Ni Deposit, Gansu Province, China Cao Yawen, Cai Jianhui...of applied mineralogy of ores from Weigang Iron Mine, China Chen Zhaoxi and Xu Zhenhong 219 CISMMI: |  | | 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 |  | | Journal (issue) | | activities we do would not be possible. Professor David Bridgland (twice) and was fully booked well Thank...Griffin Catherine Newman David Swain Stuart Clement Terry Hardaker Paul Hildreth David Thomas Deaths During...following members: John Brandon James Evans David Haylock Nan Wise Please notify us of any members...president@geologistsassociation.org.uk Professor David Bridgland (Chair of Publications and Communications...Professor John Cosgrove Social Media: Dr Rebecca Bell & John Cooper GA Archivist: Dr Jonathan Larwood |  | | Journal (article/letter/editorial) | | spectra, in turn calibrated against either manometry (Bell et al. 1995) or the frequency-dependent molar absorption...hydroxide groups, at levels ranging from trace amounts (Bell and Rossman 1992) up to thousands of ppm H2O (Kohlstedt...amounts of boron, fluorine, and chlorine (Hervig and Bell 2005; Hauri et al. 2006a; Hålenius et al. 2010;...olivine) megacrysts from kimberlites (Hervig and Bell 2005; Guggino et al. 2007; Mosenfelder et al. 2011;...A single exception is sample KBH-1, oriented by Bell et al. (1995). We estimate the accuracy of orientations |  | | Report (volume) | | Victoria 3053, Australia DISTRIBUTORS USA and Canada Blackwell Scientific Publications Inc PO Box 50009...from the Poohbah Lake syenite in north-western Ontario have been dated at around 2.7 Ga (Mitchell 1976)...the Poohbah Lake alkaline complex, northwestern Ontario. Can. J. Earth Sci. 13, 1456-9. SORENSEN,H. (ed...from the Poohbah Lake syenite in north-western Ontario have been dated at around 2.7 Ga (Mitchell 1976)...the Poohbah Lake alkaline complex, northwestern Ontario. Can. J. Earth Sci. 13, 1456-9. SORENSEN,H. (ed |  | | 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 |  | | Journal (issue) | | 20004 Telephone: (202) 737 2355 Telex: 64280 Editor David Davies Editorial staff Sarah Bunney Sally Owen John...DC 20004 Price £22 per year—-excepting USA and Canada (£28 per year) Registered as a newspaper at the................ I enclose £22.00 (£28.00 USA and Canada) (Prices applicable only to orders started before...20004 Telephone: (202) 737 2355 Telex: 64280 Editor David Davies Editorial staff Sarah Bunney Sally Owen John...Washington DC 20004 Price £22 per year—excepting USA and Canada (£28 per year) Registered as a newspaper at the |
|
