 | | 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) | | Diffraction Pattern: Hemlo gold deposit, ~35 km east of Marathon, Ontario, Canada. 4.04 (100), 3.92 (80)...39 8.89 100.00 (1) Hemlo gold deposit, ~35 km east of Marathon, Ontario, Canada; average electron microprobe...In a metamorphosed, stratiform, hydrothermal gold deposit in volcano-sedimentary rocks near a shear zone...native gold, calcite. Distribution: From the Hemlo gold deposit, ~35 km east of Marathon, Ontario, Canada...Canada. Name: For the Thunder Bay district, Ontario, where the Hemlo gold deposit is located. Type Material: |  | | 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 |  | | 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 |  | 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 |  | | Report (issue) | | 76 Sb0.06 Si0.02 )Σ=O.84 O13 (OH). (2) Hemlo deposit, Canada; by electron microprobe, average of several...from a hydrothermal gold deposit (Kalgoorlie, Western Australia); in a gold deposit at the contact of felsic...rocks (Hemlo deposit, Canada). Association: Vanadian muscovite, rutile, pyrite, calaverite, calcite, quartz...aktashite, tetrahedrite, vanadian muscovite (Hemlo mine, Canada). Distribution: In Western Australia, from...Perseverance mine. In the Hemlo gold deposit, Thunder Bay district, Ontario, Canada. Name: To honor Stephan |  | 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 |  | | 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...tremolite-actinolite, clinopyroxene,phlogopite,talc, chlorite, calcite, dolomite,microcline,tourmaline,and quartz are...treResources Ltd. property).Mineralequilibria,calcite-dolomitegeothermometry, andfluidinclusion studyindicatethatthe |  | | Report (issue) | | c = 5.148 Z=2 X-ray Powder Pattern: Cobalt, Canada. 2.84 (100), 2.06 (70), 1.965 (70), 1.533 (30)...48 Total 99.92 99.9 100.00 (1) Hudson Bay mine, Cobalt, Canada; in part due to nickeline. (2) St. Andreasberg...Occurrence: Nickeline group. In hydrothermal calcite veins associated with Co–Ni–Ag ores. Association:...pyrrhotite, cubanite, chalcopyrite, sphalerite, galena, calcite. Distribution: In Germany, from St. Andreasberg...Japan. At the Kolar Gold Fields, Karnataka, India. In Canada, from the Cobalt district, near Red Lake; in |  | | 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 |  | | Report (issue) | | 3600(3) Z=3 X-ray Powder Pattern: Gal-Khaya deposit, Russia. 3.10 (10), 1.903 (10), 1.621 (10), 2.69...Aktash deposit, Russia; by electron microprobe, average of two analyses. (2) Gal-Khaya deposit, Russia;...quartz, calcite. Distribution: In Russia, from the Aktash mercury deposit, Kosh-Agach district, Kurai...Mountains [TL]; in the Gal-Khaya deposit, Sakha; at the Lukhumi arsenic deposit, central Caucasus Mountains;...Vorontsovskoye gold deposit, Serov district, Northern Ural Mountains. At the Chauvai Sb-Hg deposit, Fergana |  | | 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 |  | | 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) |  | | Report (issue) | | wakabayashilite, orpiment, realgar, getchellite, calcite, fluorite, quartz (Russia); pyrite, realgar, stibnite...USA). Distribution: From the Gal-Khaya mercury deposit, Sakha, Russia [TL]. In Kyrgyzstan, at Khaydarkan...Khaydarkan [TL] and in the Chauvai Sb–Hg deposit, both in the Fergana Valley, Alai Range. In the USA, in Nevada...large crystals from the Getchell mine, Potosi district, Humboldt Co.; at the Carlin mine, 50 km northwest...mines, Lynn district, Eureka Co.; in the Jerritt Canyon mine, Independence Mountains district, Elko Co. |  | | Journal (article/letter/editorial) | | Geology, University of Western Ontario, London, Ontario N6A 5B7, Canada (Received December 10, 199 I;...allanite, monazite, and bastntisite), rutile, quartz, calcite, apatite, and chlorite along grain fractures and...association with titanite in the Hemlo gold deposit, Ontario, Canada, and postulated that the unusual...references therein), near the Atomic Energy of Canada Limited ( AECL) Underground Research Laboratory...Laboratory, about IO km north of Pinawa, Manitoba, Canada (J. J. Cramer, 1991, pet-s. commun.). Samples 3-7 (Table |  | | Journal (article/letter/editorial) | | December 2014 GOLD IN THE CANADIAN SHIELD DAVID K. JOYCE Box 95551 Newmarket, Ontario Canada L3Y 8J8 dkjoyce@bellnet...dkjoyce@bellnet.ca Figure 1. Hollinger mine, Timmins, Ontario. This mine was often confused with the famous Dome...underlying the central and northern portion of Canada. For the most part, the Shield is a geologically...that has helped shape the character and economy of Canada for the past approximately 150 years. It has only...1823, 313 million troy ounces of gold have been recovered in Canada, much of it from the Canadian Shield |  | | Journal (article/letter/editorial) | | volcaniclastic breccia complex, northwestern Ontario, Canada Received: 10 January 2005 / Accepted: 6 June...present include: albite; potassium feldspar; quartz; calcite; apatite; and phenakite. Accessory minerals include:...carbonate vein consists of dolomite-ankerite and calcite with accessory zircon, xenotime, and monazite....Lakehed University, 955 Oliver Road, Thunder Bay, Ontario, CANADA P7B 5E1 E-mail: rmitchel@lakeheadu.ca...+1-807-3467853 minerals, consisting principally of calcite, thorogummite, hollandite and tyuyamanite, formed |  | Harris, Donald C., Roberts, Andrew C., Criddle, Alan J. (1989) Vaughanite, TlHgSb4S7, a new mineral from Hemlo, Ontario, Canada. Mineralogical Magazine, 53 (369) 79-83 doi:10.1180/minmag.1989.053.369.08 | Journal (article/letter/editorial) | | from Hemlo, Ontario, Canada1 DONALD C. HARRIS AND ANDREW C. ROBERTS Geological Survey of Canada, 601...601 Booth Street, Ottawa, Ontario, Canada K1A 0E8 AND ALAN J. CRIDDLE Department of Mineralogy, British...the Golden Giant orebody of the Hemlo gold deposit, Hemlo, Ontario, Canada. It was found in two polished...vaughanite, pfi/ik6nenite, new mineral, Hemlo gold deposit, Ontario, Canada, reflectance data, X-ray data, electron...thallium-bearing mineral from the Hemlo gold deposit, Hemlo, Ontario, Canada. The mineral is named for Professor |  | | Report (issue) | | = 8 X-ray Powder Pattern: Hemlo gold deposit, near Marathon, Ontario, Canada. 3.56 (100), 3.37 (75), 3...74 20.48 10.78 100.00 (1) Hemlo gold deposit, near Marathon, Ontario, Canada; average electron microprobe...hydrothermal gold deposit along a shear zone. Association: Aurostibite, stibarsen, native gold, calcite. Distribution:...museum sample from the Hemlo gold deposit, 35 km east of Marathon, Ontario, Canada. Name: Honors Cristian...Biagioniite, Tl2SbS2, from the Hemlo gold deposit, Marathon, Ontario, Canada: occurrence and crystal structure |  | | Journal (article/letter/editorial) | | on granulites from the Quetico Subprovince, Ontario, Canada Yuanming Pan a,*, Michael E. Fleet b, Larry...S7N 5E2, Canada b Department of Earth Sciences, University of Western Ontario, London, Ontario N6A 5B7...5B7, Canada c Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, Alberta T6G...T6G 2E3, Canada Received 18 July 1997; accepted 22 April 1998 Abstract U–Pb geochronological data have...Superior Province, north of Manitouwadge, Ontario, Canada. This granulite zone represents the culmination |  | Hazen, R. M., Golden, J., Downs, R. T., Hystad, G., Grew, E. S., Azzolini, D., Sverjensky, D. A. (2012) Mercury (Hg) mineral evolution: A mineralogical record of supercontinent assembly, changing ocean geochemistry, and the emerging terrestrial biosphere. American Mineralogist, 97 (7) 1013-1042 doi:10.2138/am.2012.3922 | Journal (article/letter/editorial) | | (Rytuba 2005). The world’s largest Hg deposit, the Almadén district of central Spain, is representative...reworking of the mercury-hosting rocks of the Almadén district (primary mineralization 427–380 Ma) led to at...well as in amalgams with copper, lead, silver, and gold (e.g., Chen et al. 1985). Mercury mineral age and...west-central California. This important mining district, including the New Almadén mine in Santa Clara... and at Serra Pelada (Serra Leste) Au-(Pd-Pt) deposit, Pará, Brazil (Bindi 2010). However, we have not |  | | Journal (article/letter/editorial) | | DOI 10.1007/s00126-013-0466-3 ARTICLE Multistage gold mineralization at the Lapa mine, Abitibi Subprovince:...Springer-Verlag Berlin Heidelberg 2013 Abstract The Lapa gold deposit contains reserves of 2.4 Mt at 6.5 g/t Au and...Subprovince from the Pontiac Subprovince to the south. Gold mineralization is predominantly hosted in highly... and native gold disseminated in biotite- and carbonate-altered wall rocks. Native gold, which is also...also present in quartz ± dolomite–calcite veinlets, is locally associated with Sb-bearing minerals, especially |  | | Journal (article/letter/editorial) | | EconomicGeology Vol. 82, 1987, pp. 1177-1191 Archean Gold Mineralization and Oxidized Hydrothermal Fluids*...Fluids* EION M. CAMERON Geological Surveyof Canada,Ottawa,Ontario,CanadaKiA OE8and Derry Laboratory,Ottawa-Carleton...Ottawa-Carleton Geoscience Centre, Ottawa, Ontario, Canada, KiN 6N5 AND I(EIKO HATrORI Departmentof Geology...Laboratory,Ottawa-CarletonGeoscience Centre, Ottawa, Ontario, Canaada KiN 6N5 Abstract Sulfateminerals,hematite...Macassa, Lake Shore,andRosswhichare all in Ontario,Canada,andKalgoorliein Australia.Examples of lesserdepositsare |  | | Journal (article/letter/editorial) | | alkaline basalts, and gabbros, Wawa Subprovince, Canada: Implications for petrogenetic and geodynamic processes...Environmental Sciences, University of Windsor, Windsor, ON, Canada N9B 3P4 a r t i c l e i n f o Article history:...monzonites. Within the Wawa subprovince the Schreiber–Hemlo greenstone belt is dominated by plume-derived oceanic...presented for volcanic rocks from the Schreiber–Hemlo, Winston Lake, and Manitouwadge greenstone belts...for subduction-derived gabbros from the Schreiber–Hemlo greenstone belt. The geochemical diversity of the |  | | Journal (article/letter/editorial) | | the postdepositional the WitwatersrandBasalreef gold placer--a discussion: ECOmetamorphosed aluminous...VEIN DEPOSITS IN THE ABITIBI GREENSTONE BELT, CANADA:4øAr/39Ar EVIDENCEFOR A 70- TO 100-M.Y.-TIMEGAP...They endorsedthe conceptthat the introductionof gold was dated by variousisotopicsystemsat 2630 to 2579...accretion ofsubprovinces (tectonostratigraphic terranes) gold-mineralizing respanning2720 to 2670 Ma, marking...crosscutting dikes(e.g.,Corfuand "early gold"versus"late gold" models.The present Andrews, 1987). In marked |
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