 | | 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) | | Setting of the Hemlo Gold Deposit, Ontario, Canada SHOUFA LIN†,* Geological Survey of Canada, 601 Booth Street...Street, Ottawa, ON K1A 0E8, Canada Abstract Results of detailed surface and underground mapping and...compilation of data from the three gold mines in the Hemlo area, Ontario, are presented. In particular, the...the area are elucidated. The genesis of the gold deposit is discussed in context of these results. Four...deformation is the strongest and the geometry of the Hemlo camp is dominated by macroscopic (camp-scale) “S”-shaped |  | | 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) | | 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...association with microcline-mica-pyrite alteration,anda varietyof other minerals. The Hemlo areahasbeen intrudedby...garnet,epidote,chlorite,and muscovite.The GoldenGiant mine rocksare stronglyfoliated,andcommonlyexhibitmyloniticandtransposed |  | | Journal (article/letter/editorial) | | syntectonic gold mineralization and barite remobilization within the main ore body of the Golden Giant mine...mine, Hemlo, Ontario, Canada Katsuyoshi Michibayashi 1,. Department of Geology, James Cook University, Townsville...analysis of the central part of the Hemlo gold deposit in the Hemlo--HeronBay greenstone belt has revealed...influenced the orebody and controlled the localization of gold mineralization. Development of D3 dextral shearing...feldspathic orebody, such that this deposit appears to be controlled by the Hemlo Shear Zone. However, the orebody |  | 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) | | 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...phlogopite,talc, chlorite, calcite, dolomite,microcline,tourmaline,and quartz are abundantin the dif...fluid within a dilatantregionalplanarstructure(the Hemlo shearzone).A direct association of nativegoldgrainswith |  | | 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...characterized by a central zone of granoblastic microcline-quartz-(barite-muscovite-biotite-pyrite) rocks...amphibole was present prior to alteration and that gold mineralization occurred at pressure-temperature |  | | 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) | | MINERALIZATION IN THE AT HEMLO, GOLDEN MICHAEL GIANT ONTARIO, AND THE TIMING MINE--A DISCUSSION E. FLEET...EarthSciences, University of WesternOntario,London,Ontario,CanadaN6A 5B7 AND YUANMING PAN Department of...welcomethe detaileddescription of the Golden Giantmine,Hemlo,Ontario,Canadagivenby Kuhnset al. (1994),but...the ore deposit),a zoneof highestmetamorphic gradeand maximumductile deformation in the Hemlo-Heron Baygreenstone...contrast, Kuhnset al. (1994)haveconcluded thatpri- deposit (Burket al.,1986;PanandFleet,1993)andtheWhite marymineralization |  | | 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...a muscovite schist from the Highway zone of the Golden Sceptre Resources Limited property, which is part |  | | Journal (article/letter/editorial) | | in the late Archean Hemlo-Heron Bay greenstone belt, Superior Province, Ontario: implications for provenance...Geology, University of Western Ontario, London, Ont. N6A 5B7, Canada b Department of Geology, McMaster...McMaster University, Hamilton, Ont. L8S 4MI, Canada (Received May 30, 1990; revised and accepted January 24...in the late Archean Hemlo-Heron Bay greenstone belt, Superior Province, Ontario: implications for provenance...Arcbean Hemlo-Heron Bay greenstone belt of the Superior Province near the Hemlo gold deposit, Ontario, consists |  | Pan, Yuanming, Fleet, Michael E., Stone, William E. (1991) Skarn mineralization (Cr, Fe, Au) in an Archean greenstone belt, White River Property, Hemlo area, Ontario. Economic Geology, 86 (8) 1626-1645 doi:10.2113/gsecongeo.86.8.1626 | Journal (article/letter/editorial) | | Archean GreenstoneBelt, White River Property, Hemlo Area, Ontario YUANMING PAN, MICHAEL E. FLEET, Department...eology, Universityof WesternOntario, London, Ontario, Canada N6A 5B7 AND WILLIAM E. STONE Departmentof...Departmentof Geology,McMasterUniversity,Hamilton,Ontario, CanadaL8S 4M1 Abstract Three prominentmineralizedcal...ArcheanHemlo-HeronBaygreenstone belt of the Superiorprovince,Ontario,Canada.The Cr- andFe-richskarnswere metasomatically...introducedduringthe late calc-silicatealteration. Gold mineralizationis spatiallyrelated to the REE-en |  | Fleet, Michael E., Seller, Michael H. (1997) Rare earth elements, protoliths, and alteration at the Hemlo gold deposit, Ontario, Canada, and comparison with argillic and sericitic alteration in the Highland Valley porphyry district, British Columbia, Canada. Economic Geology, 92 (5) 551-568 doi:10.2113/gsecongeo.92.5.551 | Journal (article/letter/editorial) | | Protoliths, andAlterationat the HemloGoldDeposit, Ontario,Canada,andComparison withArgillicandSericiticAlteration...HighlandValleyPorphyryDistrict,BritishColumbia,Canada MICHAELE. FLEET, • MICHAELH. SELLER,* Departmentof...Sciences, Universityof •VesternOntario,London,Ontario,CanadaN6A 5B7 AND YUANMING PAN Department of...wasessentially passive to thepervasive andcharacteristic microcline alteration at thedeposit. However, using A12Oa...exploration for Hemlo-type golddeposits. Argillicalteration in the Highland Valleyporphyry district, BritishColumbia |  | | Journal (article/letter/editorial) | | HYDROTHERMAL POTASSIUM FELDSPAR AT THE HALLE GOLD MINE, SOUTH CAROLINA L. S. HARDY* Departmentof Geology...begangold productionin the 1820sfollowingthe discoveryof gold in the creek drainingthe property. Productioncontinued...productionprior to World War II is estimatedat 275,000 oz. Gold productionresumedfrom surface workingsin 1985. ...occurrenceof the hydrothermalK feldsparat the Haile mine. Background In 1974, the Cyprus Mines Corporationand...Cyprusin-houselaboratory.The AASanalyses for The Haile mine is one of a small number of dissemMo were performed |  | | Journal (article/letter/editorial) | | plutonism associated with the Hemlo greenstone belt, Superior Province, Canada G.P. Beakhouse a,∗ , D.W....a Ontario Geological Survey, 933 Ramsey Lake Road, Sudbury, Ont., Canada P3E 6B5 b Royal Ontario Museum...Museum, 100 Queens Park Road, Toronto, Ont., Canada M5S 2C6 Received 7 April 2004; accepted 17 January...January 2005 Abstract Plutonic rocks from the Hemlo area in the southern Superior Province span a period from...the nature of intermediate to felsic plutonism at Hemlo and its relationship to regional deformation and |  | | Journal (article/letter/editorial) | | Geology Vol. 99, pp. 1063–1084 The Hemlo Gold Deposit, Ontario: An Example of Melting and Mobilization...Geophysics, University of Calgary, Calgary, Alberta, Canada T2N 1N4 DAVID R. M. PATTISON, Department of Geology...Calgary, Calgary, Alberta, Canada T2N 1N4 AND EVA ZALESKI Geological Survey of Canada, 3303 – 33rd St. NW... Alberta, Canada T2L 2A7 Abstract The timing of mineralization at the Hemlo gold deposit has long been...mineralization. The results have implications for mine exploitation and exploration strategies. We show |  | | 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...Au, 1700 g/t As, 330 g/t W) and the muscovite-microcline gneiss (3–5 g/t Au, 580 g/t Sb, 620 g/t W) of...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 |  | | 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: |  | | 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 |  | | 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) | | Jnvrnon CANMET, 555 Booth Street,Ottarila, Ontario KIA 0G1, Canada Dlvrn A. V,lNxo Department of Geology...Collection at the Geological Survey of Canada, Ottawa, Ontario. J.L.J. D.C. Harris, A.C. Roberts,J.H.G...TlAgrAurSb,oS,o,a new goldbearing mineral from Hemlo, Ontario, Canada. MinDonharrisite* eral. Mag., 52, 691-697...mineral speciesfrom Leogang,SalzburgProvince, tive gold, and native antimony in composite grains up Austria... 2.220 (30,131,420,421),and holes at the Hemlo gold deposit, northeastern shore of 2.071(30,It5,224) |  | | 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 |  | | Journal (article/letter/editorial) | | Province, Canada FERNANDO CORFU,1 AND DENVER STONE,2 Jack Satterly Laboratory, Royal Ontario Museum,...Queen’s Park, Toronto, Ontario M5S 2C6, Canada Precambrian Geoscience Section, Ontario Geological Survey,... 933 Ramsey Lake Road, Sudbury, Ontario P3E 6B5, Canada 2 (Received January 26, 1997; accepted in revised...northern domains of the Berens River area, whereas the gold-mineralized Red Lake area in the south underwent...between the Red Lake and other gold camps of the Superior Province such as Hemlo and Val d’Or where hydrothermal |
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