 | | 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) | | 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...gradually disappear, biotite becomes Mg rich, ilmenite is replaced by rutile, and pyrrhotite is replaced...amphibole was present prior to alteration and that gold mineralization occurred at pressure-temperature |  | Corfu, F., Muir, T.L. (1989) The Hemlo-Heron Bay greenstone belt and Hemlo AuMo deposit, Superior Province, Ontario, Canada 2. Timing of metamorphism, alteration and Au mineralization from titanite, rutile, and monazite UPb geochronology. Chemical Geology: Isotope Geoscience section, 79 (3). 201-223 doi:10.1016/0168-9622(89)90030-4 | Journal (article/letter/editorial) | | The Hemlo-Heron Bay greenstone belt and Hemlo AU-MO deposit, Superior Province, Ontario, Canada 2. Timing...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)...Muir, T.L., 1989. The Hemlo-Heron Bay greenstone belt and Hemlo Ontario, Canada, 2. Timing of metamorphism...AU-MO deposit, Superior Province, from titanite, rutile, and monazite The Hemlo AU-MO deposit, in the |  | | Journal (article/letter/editorial) | | Deformation at Hemlo, Ontario, and the Timingof Au-Mo Mineralizationin the GoldenGiant Mine ROGE•J. KUHNS...55455-02194 Abstract The Golden Giant mine is developedin the ArchcanHemlo gold-molybdenumdeposit hostedwithin...hostedwithin the Hemlo-HeronBay greenstonebelt in northwesternOntario,Canada.The ore occursin steeplydip...alteration,anda varietyof other minerals. The Hemlo areahasbeen intrudedby quartz-feldsparporphyries(the...garnet,epidote,chlorite,and muscovite.The GoldenGiant mine rocksare stronglyfoliated,andcommonlyexhibitmyloniticandtransposed |  | 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...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...that evolving metamorphic belts contain diverse gold deposit types that may be juxtaposed or overprint each |  | | Report (volume) | | ....... ...... ........... .... .... .. ...... Gold ............................................................................................ Lode Gold Deposits .........................................37 III IV CONTENTS Chemical Sediment-Hosted Gold Deposits .......................................................................... Appendix 2. Deposit Types That May Occur in the International Falls...Map showing mineral resource potential for lode gold deposits. Map showing mineral resource potential |  | | Report (issue) | | Ontario Geological Survey Open File Report 6000 Summary of Field Work and Other Activities 1999 1999...1999 ONTARIO GEOLOGICAL SURVEY Open File Report 6000 Summary of Field Work and Other Activities 1999...Subprovince, northwestern Ontario; in Summary of Field Work and Other Activities 1999, Ontario Geological Survey...Printer for Ontario, 1999 © Queen’s Printer for Ontario, 1999. Open File Reports of the Ontario Geological...at the regional Mines and Minerals office whose district includes the area covered by the report (see below) |  | | Journal (article/letter/editorial) | | and J.M. Franklin Geological Survey of Canada, Ottawa, Canada, KIA OE8 (Received December 17, 1990; accepted...the earth are acknowledged for relatively unique deposit types such as komatiitic nickel deposits and voluminous...formations. Volcanogenic massive sulphide, lode gold and granitoid-associated deposits, as well as Ni-Cu...Dr. K.H. Poulsen, Geological Survey of Canada, Ottawa, Canada, K 1A 0E8. tion only along boundaries...type, more than 100 of vein and disseminated lode gold type, several magmatic nickel deposits, at least |  | | Journal (article/letter/editorial) | | ABSTRACT Poppiite, a new mineral from Gambatesa mine (Val Graveglia, Genova, Northern Italy), is the...occurring in green mica schist from Hemlo gold Deposit (Ontario). According to Pan and Fleet (1992),...octahedral X and Y sites. The mineral occurs in the Mn-mine area of Gambatesa, near the village of Reppia (Val...OPTICAL PROPERTIES Poppiite was collected in the Mn-mine area of Gambatesa, near the village of Reppia (Val...extensive investigation of silicates from Gambatesa mine area (Caprilli 2004), is restricted to a few crystals |  | | Journal (article/letter/editorial) | | granite-related hydrothermal systems at the Big Bell gold deposit, Western Australia Andreas G. Mueller 1 & Neal...Berlin Heidelberg 2017 Abstract The Big Bell deposit (75 t gold) is located in a narrow spur of the Meekatharra...granodiorite-tonalite batholith (2740–2700 Ma), followed by gold mineralization at Editorial handling: B. Lehmann...Amphibolite xenoliths in granite northwest of the deposit record the lowest temperature (628 ± 50 °C), suggesting...Big Bell . Gold . Thermometry . Zircon . U-Pbage Introduction The Big Bell gold deposit is located at |  | | Journal (article/letter/editorial) | | BuRgtows Ontario AND E. T. C. SPOONER Departmentof Geology,Universityof Toronto,Toronto,Ontario,CanadaMSS1A1...Mink Lake sodicgranodioritestockin northwestern Ontario (Fig. 1) occurs through an aplite-carbonate alteration-quartz...containscheelite(J. Hennessy,pers. commun., 1983). The Hollinger mine, for example,produced47,478.1 metric tons of ore...ton/day operationfrom the tailingsdumpsof the Kolar gold field in southern India (MiningJournal,16 September...vein mineralization include the Kirkland Lake district Lake intrusion and its contained MoS• mineralization |  | | 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...of rocks and ores of the Golden Giant gold deposit of Hemlo, Ontario, Canada Yuan Chen, W.S. Fyfe and...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 | | current and, almost certain, future emphasis on gold within the exploration community, I have paid particular...the geological settings and generative models of gold deposits of all kinds. There doubtless will be much...also all too easy to posit plate tectonic-ore deposit relationships in ancient geologic terranes. What...may emerge. My interest in plate tectonic-metal deposit relationships was initially motivated by a desire...introduced to the wide variety of distinctive metal deposit types. Somewhat later it was fostered by the desire |  | | Journal (article/letter/editorial) | | inclusion characteristics of the greenstone-hosted gold deposit of Hutti, Eastern Dharwar Craton, India Received:...Springer-Verlag 2002 Abstract Gold mineralization of the Hutti mine, southern India, is situated in...amphibolites, are characteristic features of the deposit. The general pattern of symmetrical alteration...were responsible for gold-rich laminated quartz vein formation in the Hutti deposit. These fluids constituted...the alteration assemblages and the characteristic gold–sulfide association, both in the altered wall rock |  | | Journal (article/letter/editorial) | | High-grade metamorphic processes which influence Archaean gold deposits, with particular reference to Big Bell...desulphidation have occurred in the Big Bell gold deposit. Decarbonation may also have occurred, to account...present data, but difficult to test. The Big Bell deposit consists of auriferous sulphide-bearing ('lode')...around the deposit, and its occurrence may have been essential to the preservation of the deposit. Melting...fluids and no means of removing appreciable gold. Minor gold loss may have accompanied desulphidation. |  | | Book | | performance record (1986-1990) without equal in the gold industry ® Record revenue, earnings and cash flow...flow achieved in each of the last five years. ® Gold production rose 220% to 596,000 ounces in 1990. The...and over 1.1 million ounces annually by 1992. @ Gold reserves increased nine-fold to 20.4 million ounces...five-year period. @ Higher production and a unique gold hedging program should ensure future growth. C20...Published in the United States and Canada by St James Press, 233 East Ontario Street, Chicago 60611, Illinois |  | | Book | | Gold Metallogeny and Exploration Edited by R.P. FOSTER Senior Lecturer in Economic Geology Department...the high and continuing demand for gold has prompted a global gold rush on a scale never before seen,...heady days of Ballarat, California and the Yukon. Gold is being sought on every continent and, with very...genetic modelling for the many different types of gold deposits now recognized. This proliferation of data...aspects of gold metallogeny and exploration, ranging from the chemical distribution of gold in the Earth's |  | | Book | | Copyright © in Canada, 1957 by D. M. LeBourdais P.RINTPlD AND BOUND 1.N CANADA T. H. Best Printing...and this book therefore begins with the Cariboo gold rush in the middle of the last century. The geographical...because that aspect of mining is most typical of Canada as a pioneer country. No other form of economic...mining as an industry, but to a great extent each mine is actually a world in itself. While the problems...searched for mines, of the long waits that have faced mine-finders while money was being raised to bring their |  | | Book (edition) | | gangue mineral may be considered as waste in one deposit and as ore mineral in another (e.g., hedenbergite)...particular sample derives from the stockwork of such a deposit, it will normally contain amorphous silica/opal...in modern hydrothermal equivalents (e.g., JADE deposit, Okinawa Trough, Japan). Thus, metasomatic/metamorphic...mineral inventory available elsewhere. Further deposit descriptions originated from: binn.strahlen.org...Average Hardness Soft minerals, such as galena or gold, are very difficult to polish without any scratches; |  | | Journal (volume) | | geochemistry of the metakomatüte-hosted Pahtavaara gold deposit in Sodankylä, northern Finland, with emphasis...GEOCHEMISTRY OF THE METAKOMATIITEHOSTED P AHT A VAARA GOLD DEPOSIT IN SODANKYLÄ, NORTHERN FINLAND, WITH EMPHASIS...geochemistry of the metakomatiite-hosted Pahtavaara gold deposit in Sodankylä, northern Finland , with emphasis...appendix . The early Proterozoic Pahtavaara gold deposit is situated in the eastern part of the Central...Sattasvaara komatiites . In the biotite schists gold is closely associated with magnetite and tale-carbonate |  | | Book | | Library of Canada Cataloguing in Publication Data Main entry under title: Mineral Deposits of Canada: A Synthesis...Synthesis of Major Deposit-types, District Metallogeny, the Evolution of Geological Provinces, and Exploration...Exploration Methods Geological Association of Canada, Mineral Deposits Division, Special Publication No...1. Ore deposits--Canada. 2. Metallogeny--Canada. 3. Physiographic provinces--Canada. 4. Mines and niineral...niineral resources--Canada. 5. Prospecting--Canada. I. Goodfellow, Wayne D. (Wayne David), 1949Il. Geological |  | | Book (edition) | | (Switzerland). Daniel Atcncio (Brazil). Malcolm Back (Canada), Henry L. Barwood (USA). Dmitriy Belakovskiy (Russia)...Burke (Netherlands), L.J. Cabri (Canada). Anton R. Chakhmouradian (Canada), Pierre-Jacques Chiappero (France)...Ercit (Canada). Alexander Falster (USA). Jeffrey de Fourestier (Canada). Robert Gault (Canada), Joel...Joel D. Grice (Canada). L.A. Groat (Canada). Alessandro Guastoni (Italy), William A. Henderson. Jr. (USA)...(USA). D.D. Hogarth (Canada). J.L. Jam bor (Canada), Anthony R. Kampf (USA). Pave! M. Kartashov (Russia) |  | | Journal (volume) | | ofFinland Bulletin 388 Geochemical alteration of gold occurrences in the late Archean Hattu schist belt...Finland, Bulletin 388 GEOCHEMICAL AL TERA TI ON OF GOLD OCCURRENCES IN THE LATE ARCHEAN HATTU SCHIST BELT... Rasilainen, Kalevi. 1996. Geochem ical alteration of gold occurrences in the late Archean Hattu schist belt...figures , 13 tables and 5 appendices. Numerous lode gold occurrences have been found adjacent to shear zones...Archean lode go ld depo sits in Au strali a and Canada, they genera ll y display so mewhat weaker relative |  | | Book | | PREFACE xiii CHAPTER 1. INTRODUCTION 1.1. Mineral Deposit versus Orebody 1.2. Styles of Mineralization and...Mineralization 4.10. A Comprehensive Example: The Cree de District, Colorado, USA 4.11. Summary 4.12. Recommended...697 CHAPTER 16. GOLD DEPOSITS 16.1. Introduction 16.2. Distribution 16.3. Types of Gold Deposits 16.4.... Examples 16.5. Origin of Hydrothermal Gold Deposits 16.6. Metallogenesis 16.7. Summary 16.8. Recommended...form of earthy hematite) or valuable (e.g., native gold and gemstones) materials they contained at places |
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