 | | 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) | | Press Ltd. 1985. Rinted in U.S.A. The Hemlo gold deposit, Ontario: A geochemical and isotopic study and...EION M.CAMERoN*.t *Geological Survey of Canada, Ottawa, Ontario Kl A OE8 **Department of Geology, University...University of Ottawa, Ottawa. Ontario KIN 6N5 tDerry Laboratory for Sedimentary Geochemistry and Ore Deposits...1985) Abstract-The Hemlo deposit, near Marathon, Ontario, is one of the largest gold deposits in North...other occurrences have since been found west of Hemlo. The mineralization is substantially enriched in |  | | 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 |  | | 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 |  | | 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 Reviews 10 (1995) 31-50 Two phase syntectonic gold mineralization and barite remobilization within...main ore body of the Golden Giant mine, Hemlo, Ontario, Canada Katsuyoshi Michibayashi 1,. Department...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 |  | | 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) | | PROVINCE, CANADA EION M. CAMERON’s2 and KEIKO HATTORI2~3 ‘Geological Survey of Canada, Ottawa, Ont...Ont. KlA OE8 (Canada) ‘Derry Laboratory for Sedimentary Geochemistry and Ore Deposits, Ottawa, Ont. KIN...KIN 6N5 (Canada) 3Department of Geology, University of Ottawa, Ottawa, Ont. KIN 6N5 (Canada) (Accepted...isotopically fractionated sulphides in Superior Province, Canada. In: N. Clauer and S. Chaudhuri (Editors), Isotopes...30%0 associated with iron formation near Wawa, Ontario. This has caused some workers to propose an alternative |  | | Report (issue) | | 014(3) α = 89.06(1)◦ X-ray Powder Pattern: Hemlo deposit, Canada. 2.924 (100), 2.722 (90), 2.665 (90), 2...3 27.0 12.7 12.0 5.7 Total 97.7 (1) Hemlo deposit, Canada; by electron microprobe, Fe2+ :Fe3+ and...(OH). Occurrence: In a hydrothermal gold deposit. Association: Quartz, barian microcline, pyrite, molybdenite...the Hemlo gold deposit, in the Page-Williams mine, three km east of Hemlo, Thunder Bay district, Ontario...Ontario, Canada. Name: For the Hemlo deposit, Ontario, Canada, where it occurs. Type Material: The Natural |  | | Journal (article/letter/editorial) | | Geologic History of the Hemlo Archean Gold Deposit, Superior Province, Canada: A U-Pb Geochronological...Earth Sciences Dept., Royal Ontario Museum, 100 Queen’s Park, Toronto, ON, Canada M5S 2C6 AND SHOUFA LIN...Waterloo, ON, Canada N2L 3G1 Abstract The Hemlo deposit is one of Canada’s largest gold camps. Gold is both...Archean lode deposits. Field evidence suggests that gold was emplaced within mechanical and chemical traps...out on zircons from rocks associated with the deposit, in order to determine the precise chronology of |  | 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) | | 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) | | to 70 µm; may rim or intergrow with aurostibite, gold, and antimony. Physical Properties: Hardness = 3–3...76 12.58 Total 99.7 100.71 100.00 (1) Hemlo deposit, Canada; by electron microprobe, average of analyses...Tl0.92 Ag1.99 Au2.93 Sb9.87 S10.29 . (2) Viges deposit, France; by electron microprobe, average of twelve...hydrothermal mineral in a complex gold deposits. Association: Aurostibite, gold, antimony, chalcostibite, parapierrotite...zinkenite, pyrite, quartz (Hemlo deposit, Canada); gold, aurostibite (Viges deposit, France). Distribution: |  | | 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...Amli (op. cit.) also noted elongated prismatic quartz and plagioclase inclusions parallel to the c-axis...REE-bearing metamorphic apatite from the Hemlo gold deposit, Ontario, Canada, that occurs as porphyroblasts with |  | | 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...metavolcanic and metasedimentary rocks (Hemlo deposit, Canada). Association: Vanadian muscovite, rutile...pyrite, calaverite, calcite, quartz (Kalgoorlie, Western Australia); quartz, microcline, barite, pyrite...aktashite, tetrahedrite, vanadian muscovite (Hemlo mine, Canada). Distribution: In Western Australia, from |  | | Journal (article/letter/editorial) | | The Hemlo-Heron Bay greenstone belt and Hemlo AU-MO deposit, Superior Province, Ontario, Canada 1. Sequence...MUIR Ontario Geological Survey, cjo Department of Geology, Royal Ontario Museum, Toronto, Ontario Geological...Geological Stiruey, Toronto, Ont. M7A 1 W4 (Canada) Ont. M5S 2C6 (Canada) (Received December 5,1988; revised...The Hemlo-Heron Bay greenstone belt and Hemlo AU-MO deposit, Superior Province, Ontario, Canada, 1. Sequence...Geol. (Isot. Geosci. Sect.), 79: 183-200. The Hemlo-Heron Bay greenstone belt in the Wawa Subprovince of |  | | 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) | | 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...several mineralized zones near the contact between quartz-feldspar porphyry and metasedimentary rocks. Metsasedimentary...characterized by a central zone of granoblastic microcline-quartz-(barite-muscovite-biotite-pyrite) rocks, surrounded |  | | Report (issue) | | X-ray Powder Pattern: Giant Yellowknife mine, Canada. 1.999 (100), 3.32 (50), 0.865 (50), 2.97 (40)...44.72 55.28 Total 100.0 100.00 (1) Hillgrove deposit, Australia; by electron microprobe, average of... Pyrite group. Occurrence: In hydrothermal gold-quartz veins, in portions deficient in sulfur and containing...containing other antimony minerals. Association: Gold, freibergite, stibnite, jamesonite, chalcostibite...sphalerite, galena, tetrahedrite. Distribution: In Canada, from the Giant Yellowknife mine, Yellowknife, |  | | 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 |  | 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...chlorite, calcite, dolomite,microcline,tourmaline,and quartz are abundantin the diffusewestwardextension(C zone...fluid within a dilatantregionalplanarstructure(the Hemlo shearzone).A direct association of nativegoldgrainswith |  | | Report (issue) | | orange-brown when granular, with internal reflections from gold to red-orange. Streak: Bright yellow. Luster: Vitreous...29(1)◦ X-ray Powder Pattern: Mount Washington, Canada. 5.14 (100), 5.56 (91), 3.75 (78), 2.795 (71),...29.97 Total 99.78 100.00 (1) Mount Washington, Canada; by electron microprobe, average of two analyses...alteration product of realgar in stibnite-bearing quartz veins, the alteration typically a result of exposure...Distribution: In Canada, in British Columbia, from Mount Washington, Comox district, on Vancouver Island |  | | Journal (article/letter/editorial) | | of Toronto, 22 Russell Street, Toronto, Ontario M5S 3B1, Canada YUANMING PAN§ Department of Geological...Saskatchewan, Saskatoon, Saskatchewan S7N 5E2, Canada § E-mail addresses: granth@geology.utoronto.ca...2004 GAC–MAC annual meeting in St. Catharines, Ontario, in honor of Professor Michael E.L. Fleet, who...Department of Earth Sciences, University of Western Ontario. Trying to think of a title for the symposium was...Fleet is one of the leading Earth Scientists in Canada today, and his expertise spans an unusually wide |
|
