 | | 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) | | 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...tourmaline, chlorite, talc and tremolite in other lithologies of the Hemlo deposit. The principal substitution...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...ArcheanHemlogolddepositin Ontario, Canada.Calc-silicate minerals,includingepidote-clinozoisite, tremolite-actinolite...orebody(GoldenGiantmine).Aggregates of variouscombinations of tremolite-actinolite, clinopyroxene,phlogopite,talc, chlorite...fluid within a dilatantregionalplanarstructure(the Hemlo shearzone).A direct association of nativegoldgrainswith |  | | 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 |  | 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) | | vanadian allanite-(Ce) from the Hemlo gold deposit, Ontario, Canada YUANMING PAN AND MICHAEL E. FLEET...Geology, University of Western Ontario, London, Ontario N6A 5B7, Canada Abstract Allanite-(La) (containing...titanite in the main ore zone of the Hemlo gold deposit, Ontario, Canada. Allanite-(Ce) generally occurs as...The high V concentrations in the allanites from Hemlo are readily attributable to an adequate local source...mobility, titanite. Introduction THE Hemlo deposit, Ontario, Canada, is anomalously enriched in vanadium |  | 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 |  | | 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...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) | | atypical komatiite-hosted Turret deposit in the Agnew– Mt. White district, Western Australia F. Voute &...Yilgarn Craton, the Agnew–Mt. White district is the host of many gold deposits. Located in the hinge of...of the regional Lawlers anticline, the Turret gold deposit is structurally controlled by the Table Hill...delineation of the paragenetic sequence associated with gold mineralisation and include (1) a pervasive talc-carbonate...phases in the mineralisation stage suggest that gold may have been scavenged from the hydrothermal fluids |  | | Journal (article/letter/editorial) | | 1007/s00710-006-0128-6 The gold–vanadium–tellurium association at the Tuvatu gold–silver prospect, Fiji:...Cook Summary The Tuvatu gold–telluride prospect is one of several epithermal gold systems along the >250...conditions of formation of the telluride-native gold stage at Tuvatu (250 C, Au ¼ 1 ppb, Te ¼ 1...coexistence of roscoelite and calaverite in epithermal gold systems elsewhere. The presence of magnetite with...Tuvatu deposit. Introduction The intimate spatial relationship between vanadium minerals and gold, particularly |  | 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...exploration for Hemlo-type golddeposits. Argillicalteration in the Highland Valleyporphyry district, BritishColumbia...fieldfor aluminous rocksof the hanging wallof the Hemlo deposit. The geochemistry andregional occurrence of |  | Canet, C., Alfonso, P., Melgarejo, J.-C., Jorge, S. (2003) V-RICH MINERALS IN CONTACT-METAMORPHOSED SILURIAN SEDEX DEPOSITS IN THE POBLET AREA, SOUTHWESTERN CATALONIA, SPAIN. The Canadian Mineralogist, 41 (3) 561-579 doi:10.2113/gscanmin.41.3.561 | Journal (article/letter/editorial) | | Pyrenées, the Iberian Massif and the Montagne Noire district in southern France. Most of the reported occurrences...veins, as at the Atrevida mine, the largest Ba deposit in the southwestern Catalonian Coastal Ranges (Melgarejo...energy-dispersion mode at Carleton University, Ottawa, Canada, and by wavelength-dispersion mode using a CAMECA...accommodate variable amounts of V, as described in Hemlo, Canada (Harris 1989, Pan & Fleet 1992) and in Andros...components are very variable at all scales: district, deposit and individual grain (Fig. 5, Table 1). As |  | | Journal (article/letter/editorial) | | 720-756 Magmatism,Metamorphismand Deformation at Hemlo, Ontario, and the Timingof Au-Mo Mineralizationin the...developedin the ArchcanHemlo gold-molybdenumdeposit hostedwithin the Hemlo-HeronBay greenstonebelt in northwesternOntario...alteration,anda varietyof other minerals. The Hemlo areahasbeen intrudedby quartz-feldsparporphyries(the... K, Sb,As,Hg, T1,Ba,V, tion of the ArcheanHemlo gold-molybdenumde- and B and are depleted in Na, Ca,... and Mn positin northwesternOntario,Canada.The Hemlo (Kuhns,1986). Hg-, As-,andSb-bearingmineralsocdepositcontainsan |  | Uher, P., Kovacik, M., Kubis, M., Shtukenberg, A., Ozdin, D. (2008) Metamorphic vanadian-chromian silicate mineralization in carbon-rich amphibole schists from the Male Karpaty Mountains, Western Carpathians, Slovakia. American Mineralogist, 93 (1) 63-73 doi:10.2138/am.2008.2470 | Journal (article/letter/editorial) | | associated with amphiboles (magnesiohornblende, tremolite, actinolite, and edenite), diopside, and albite...been described in marbles from the Tashegilskoye deposit, Siberia, Russia (Shepel and Karpenko 1969). Vanadian...tomichite in the main ore zone of the Hemlo gold deposit, Ontario, Canada (Pan and Fleet 1991, 1992). The above-mentioned...“uvarovite” when it was discovered in the Rybníček deposit near Pezinok (Čillík et al. 1959). It takes the...skeletal atoll-like shape in association with tremolite (amphibole I) and albite (Fig. 2d). EMPA reveals |  | | Journal (article/letter/editorial) | | greenstone belt, Southwestern Superior Province, Ontario, Canada Paul Sotiriou, Ali Polat, Robert Frei PII:...greenstone belt, Southwestern Superior Province, Ontario, Canada. Lithos (2018), https://doi.org/10.1016/j.lithos...greenstone belt, Southwestern Superior Province, Ontario, Canada 1 PT Paul Sotiriou 1,*, Ali Polat1 and Robert...University of RI Windsor, Windsor, ON N9B 3P4, Canada SC 2 Geology Section, Department of Geosciences...Assemblage of the Shebandowan greenstone belt, Ontario, Canada. Both field and petrographic observations indicate |  | | Report (issue) | | Geological Survey of Canada Miscellaneous Report 48 Ottawa to North Bay and Huntsville, Ontario; Gatineau (Hull)...Natural Resources Canada Ressources naturelles Canada Geological Survey of Canada Miscellaneous Report...MINERALS FOR THE COLLECTOR: Ottawa to North Bay and Huntsville, Ontario; Gatineau (Hull) to Waltham and Témiscaming...Queen in Right of Canada 2007 Catalogue No. M41-8/48E ISBN 0-660-19556-9 Available in Canada from the Geological...Geological Survey of Canada Bookstore (see inside front cover for details) A copy of this publication is |  | Reznitsky, L. Z., Sklyarov, E. V., Suvorova, L. F., Barash, I. G., Karmanov, N. S. (2017) V–Cr–Nb–W-Bearing Rutile in Metamorphic Rocks of the Slyudyanka Complex, Southern Baikal Region. Geology of Ore Deposits, 59 (8) 707-719 doi:10.1134/s1075701517080086 | Journal (article/letter/editorial) | | with variable impurity of calcite and secondary tremolite. Appreciable percentage of the rocks contains...rutile from the rocks at gold deposits, in particular, at the Hemlo deposit, Canada, the V2O3 content reaches...gneiss with V mineralization (schreyerite), Kwale District, Kenya V2O3 Reference 0.07–0.08 1.67–1.79...phlogopite, garnet, tourmaline, chlorite), Hemlo gold district, Canada 1.54–2.04 '' Pan, Fleet, 1991 N.d...(spinel, escolaite, schreyerite), Rampura Pb–Zn deposit, Agucha, India 0.27–0.43 2.23–2.61 Quartzite |  | Basson, I.J., McCall, M.-J., Andrew, J., Daweti, E. (2018) Structural controls on mineralisation at the Namib Lead and Zinc Mine, Damara Belt, Namibia. Ore Geology Reviews, 95. 931-944 doi:10.1016/j.oregeorev.2018.03.028 | Journal (article/letter/editorial) | | Mountains Area, Swakopmund District, Erongo Region (Figure 1). The deposit was discovered in the 1930’s...exist in the “along-strike” deposits of the Navachab Gold and the Rössing Uranium mines. The elucidation...dismembered quartz-feldspar-biotite (±actinolite-tremolite) pegmatite, with graphic quartz-feldspar intergrowths...Joumbira Pb-Cu-Zn deposit (Diehl, 1990; Hahne, 2001), an analogue of the Namib Pb-Zn Deposit, is cited as...the Namib Pb-Zn Mine and the Joumbira Pb-Cu-Zn deposit in the category of rifting- and spreading-related |  | | Journal (article/letter/editorial) | | facies metamorphism at the Montauban Zn–Pb–Au–Ag deposit Andrew G. Tomkins Received: 29 September 2006...at the middle amphibolite facies Montauban deposit in Canada. As at many other deposits, ductile deformation...through this process allowed re-mobilisation of gold into the wall rock, where it was deposited in response...whereby large volumes of fluids from outside the deposit may dissolve and re-precipitate metals, and cause...University of Calgary, Calgary, Alberta T2N 1N4, Canada A. G. Tomkins (*) School of Geosciences, Monash |  | | 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...Arizona (USA) 50 X JQ' Manicouagan Structure, Canada 212 X 106 Popigai crater, Russia Tambora volcano |  | Zhang, Xueshu, Pirajno, Franco, Qin, Dexian, Fan, Zhuguo, Liu, Guanliang, Nian, Hong (2006) Baimazhai, Yunnan Province, China: A Hydrothermally Modified Magmatic Nickel-Copper-PGE Sulfide Deposit. International Geology Review, 48 (8) 725-741 doi:10.2747/0020-6814.48.8.725 | Journal (article/letter/editorial) | | Hydrothermally Modified Magmatic Nickel-Copper-PGE Sulfide Deposit a b c c Xueshu Zhang , Franco Pirajno , Dexian...Hydrothermally Modified Magmatic Nickel-Copper-PGE Sulfide Deposit, International Geology Review, 48:8, 725-741, DOI:...Hydrothermally Modified Magmatic Nickel-Copper-PGE Sulfide Deposit XUESHU ZHANG, Kunming University of Science and...Baimazhai Ni-Cu-PGE (platinum-group-elements) sulfide deposit, southeast Yunnan Province, is hosted in mafic-ultramafic...typical orthomagmatic sulfide ores of the Baimazhai deposit locally exhibit peculiar textural features, and |  | | Journal (article/letter/editorial) | | metamorphic minerals, e.g., titanite, antigorite, and tremolite, are characterized by induction surfaces of concerted...as intergrowths with titanite in aggregates of tremolite–actinolite, calcite, and dolomite. Allanite crystals...picroilmenite) are frequent. The morphology of actinolite– tremolite pseudomorphs surrounding serpentinite pseudomorphs...composed of serpentine, as a rule, alumina-free tremolite–actinolite (f = 8–21), calcite and other carbonates...The composition of calcite in intergrowths with tremolite is Ca0.97–0.99Mg0–0.02Fe0.01Mn0–0.01. Phlogopite |  | | Journal (article/letter/editorial) | | 190.40 ~ y 1.694. Named for the Aravaipa mining district in which the mine is located. Arupite. V. F. Buchwald...blue rosettes on a uraninite matrix in the Cu-Co deposit of East Kamoto, southern Shaba, Zaire. Ideal formula...beige-coloured mineral from the Bayan Obo Fe Nb--rare-earth deposit, Inner Mongolia, China. Formula Ba3(Nd,Ce)2(CO3)5F2...northern Kazakhstan, USSR. 1deal compothe Kombat deposit. sition Bi2Te4Oal. Monoclinic, space group P21...vitreous to silky lustre material associated with tremolite, norbergite in a small brucite marble body in |
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