 | | Report (issue) | | GOVERN YOUR USE OF THIS DOCUMENT Your use of this Ontario Geological Survey document (the “Content”) is governed... copyright is held by the Queen’s Printer for Ontario. It is recommended that reference to the Content... . ; Ontario Geological Survey, ...670-5691 Toll Free: 1-888-415-9845, ext. 5691 (inside Canada, United States) Local: (705) 670-5691 Toll Free:...(inside Canada, United States) Local: (416) 326-2678 Toll Free: 1-800-668-9938 (inside Canada, United |  | | Journal (article/letter/editorial) | | Giant Sudbury Polymetallic Mining Camp, Ontario, Canada D. E. AMES,† Geological Survey of Canada, 601...Ottawa, ON K1A 0E8, Canada A. DAVIDSON, 3259 Margaret Rd., Regina, SK S4V 1B2, Canada AND N. WODICKA ... Geological Survey of Canada, 601 Booth St., Ottawa, ON K1A 0E8, Canada Introduction Geologic Setting...Canada’s most prolific mining camp, the world-class Sudbury structure with total past production and current...preserved impact craters. The new map of the Ni-Cu-PGE Sudbury district (after Ames et al., 2005) is included |  | | Journal (article/letter/editorial) | | Element Deposition, Sudbury Igneous Complex Contact, Onaping-Levack area, Ontario Catharine E. G. F a...Ottawa-Carleton Geoscience Centre, Ottawa, Ontario, Canada With 5 Figures Received September 17, 1991;...element deposition in the Onaping-Levack area of the North Range of the Sudbury Structure. Two significant alteration...are amphibole (actinolite)+ epidote + chlorite + quartz ___albite +__K-feldspar _ calcite adjacent to Cu-rich...Cu-rich veins in the Deep Copper Zone of Strathcona mine and the nearby Barnet property, and amphibole |  | Pentek, A., Molnar, F., Watkinson, D. H., Jones, P. C. (2008) Footwall-type Cu-Ni-PGE Mineralization in the Broken Hammer Area, Wisner Township, North Range, Sudbury Structure. Economic Geology, 103 (5) 1005-1028 doi:10.2113/gsecongeo.103.5.1005 | Journal (article/letter/editorial) | | Mineralization in the Broken Hammer Area, Wisner Township, North Range, Sudbury Structure ATTILA PÉNTEK,† FERENC MOLNÁR...Carleton University, 1125 Colonel By Drive, Ottawa, Canada K1S 5B6 Abstract Footwall-type Cu-Ni-PGE (Platinum-group...are a major focus of recent exploration in the Sudbury mining camp, owing to their higher Cu and precious...orebodies situated along the lower contact of the Sudbury Igneous Complex. The most important footwall-type...footwall-type orebodies occur in the Onaping-Levack area of the North Range, but economic deposits are found along |  | Ripley, E. M., Lightfoot, P. C., Stifter, E. C., Underwood, B., Taranovic, V., Dunlop, M., Donoghue, K. A. (2015) HETEROGENEITY OF S ISOTOPE COMPOSITIONS RECORDED IN THE SUDBURY IGNEOUS COMPLEX, CANADA: SIGNIFICANCE TO FORMATION OF Ni-Cu SULFIDE ORES AND THE HOST ROCKS. Economic Geology, 110 (4) 1125-1135 doi:10.2113/econgeo.110.4.1125 | Journal (article/letter/editorial) | | ISOTOPE COMPOSITIONS RECORDED IN THE SUDBURY IGNEOUS COMPLEX, CANADA: SIGNIFICANCE TO FORMATION OF Ni-Cu...Laurentian University, 925 Ramsey Lake Road, Sudbury, Ontario, Canada P3E 2C6 Abstract Sulfur isotope ratios...mass sequence of norites, quartz gabbros, and granophyres from the Sudbury Igneous Complex have been...sublayer in the lower portion of the main mass of the Sudbury Igneous Complex are characterized by uniform sulfur...values; for example mineralization from Whistle mine varies from 3.1 to 4.3‰, whereas mineralization |  | | Journal (article/letter/editorial) | | NORTH AND SOUTH RANGE Cu-Ni-PGE DEPOSITS, SUDBURY STRUCTURE, ONTARIO CATHARINE E.G. FMmOW,*DAVIDH. WATKINSON...CarletonUniversity,Ottawa-Carleton Geoscience Centre,Ottawa,Ontario,CanadaKiS 5B6 GeologicSettingof the Deposits The...depositshas continued footwall units at the base of the Sudbury Igneous since early this century (Wandke and Hoffman...maficto felsic gneissesand migmatiteswith domiof the Levack Gneiss 1979). A magmaticoriginisnowwell established...fide by hydrothermalfluids with a includethe Strathcona strong crustal signature (Farrow et al., 1992a |  | | Journal (article/letter/editorial) | | heterolithic breccia in the basement of the Sudbury impact structure, Canada A . D e u t s c h , R. L a k o m y...samples originating from Levack Township in the North Range of the Sudbury Structure. The granitic to...metamorphism of the Footwall Breccia by the 1.85 Ga old Sudbury Igneous Complex, which had caused temperatures...whole-rock samples was only partly disturbed by the Sudbury Igneous Complex. The data points scatter around...parameters of the Footwall Breccia matrix near Levack show little variation: c~r = 16.33 to 18.07, c~qd |  | McCormick, K. A., Fedorowich, J. S., McDonald, A. M., James, R. S. (2002) A Textural, Mineralogical, and Statistical Study of the Footwall Breccia within the Strathcona Embayment of the Sudbury Structure. Economic Geology, 97 (1) 125-143 doi:10.2113/gsecongeo.97.1.125 | Journal (article/letter/editorial) | | the Footwall Breccia within the Strathcona Embayment of the Sudbury Structure KELLI A. MCCORMICK,†,*...Laurentian University, 933 Ramsey Lake Rd, Sudbury, Ontario, Canada P3E 6B5 JOHN S. FEDOROWICH, Falconbridge...Falconbridge Ltd., P.O. Box 40, Falconbridge, Ontario, Canada P0M 1S0 ANDREW M. MCDONALD, AND RICHARD S. JAMES...Laurentian University, 933 Ramsey Lake Rd, Sudbury, Ontario, Canada P3E 6B5 Abstract The footwall breccia...the main Ni-Cu-(PGE) ore-hosting units of the Sudbury camp. This polymict, matrix-supported, contact-metamorphosed |  | Kerr, M., Hanley, J., Morrison, G., Everest, J., Bray, C. (2015) Preliminary Evaluation of Trace Hydrocarbon Speciation and Abundance as an Exploration Tool for Footwall-Style Sulfide Ores Associated with the Sudbury Igneous Complex, Ontario, Canada. Economic Geology, 110 (2) 531-556 doi:10.2113/econgeo.110.2.531 | Journal (article/letter/editorial) | | Sulfide Ores Associated with the Sudbury Igneous Complex, Ontario, Canada* Mitchell Kerr,1,† Jacob Hanley... Nova Scotia, Canada 2 TMAC 3 KGHM 4 Department Resources, Toronto, Ontario, Canada International...Ltd., Sudbury, Ontario, Canada of Earth Science, University of Toronto, Toronto, Ontario, Canada Abstract...the North Range footwall of the Sudbury Igneous Complex, Ontario, Canada. The deposits have been modified...hydrothermal events and are hosted mainly within Sudbury breccia, a contact metamorphosed and hydrothermally |  | Hanley, J. J., Mungall, J. E., Bray, C. J., Gorton, M. P. (2004) THE ORIGIN OF BULK AND WATER-SOLUBLE Cl AND Br ENRICHMENTS IN ORE-HOSTING SUDBURY BRECCIA IN THE FRASER COPPER ZONE, STRATHCONA EMBAYMENT, SUDBURY, ONTARIO, CANADA. The Canadian Mineralogist, 42 (6) 1777-1798 doi:10.2113/gscanmin.42.6.1777 | Journal (article/letter/editorial) | | ORE-HOSTING SUDBURY BRECCIA IN THE FRASER COPPER ZONE, STRATHCONA EMBAYMENT, SUDBURY, ONTARIO, CANADA JACOB...Toronto, Ontario M5S 3B1, Canada ABSTRACT The transition from barren Sudbury Breccia to Sudbury Breccia...footwall Cu–Ni–PGE sulfide ore at the Fraser mine, Ontario, is accompanied by an increase in the concentration...35–40%) and ~80% of the Br (on average, 25–35%) in Sudbury Breccia matrix are water-soluble at room temperature...leaching powdered samples of the matrix of the Sudbury Breccia exhibit variable Ca:Na and Cl:Br ratios |  | Walker, R.J., Morgan, J.W., Naldrett, A.J., Li, C., Fassett, J.D. (1991) Re-Os isotope systematics of Ni-Cu sulfide ores, Sudbury Igneous Complex, Ontario: evidence for a major crustal component. Earth and Planetary Science Letters, 105 (4) 416-429 doi:10.1016/0012-821x(91)90182-h | Journal (article/letter/editorial) | | systematics of Ni-Cu sulfide ores, Sudbury Igneous Complex, Ontario" evidence for a major crustal component...University of Toronto, Toronto, Ont. M5S 1A 1, Canada d National Institute of Standard~ and Technolo~IF...ABSTRACT Sudbury Igneous Complex sublayer ores from the Levack West, Falconbridge and Strathcona mines were...Os/ 186 Os~5o ranging from 4.64 at Levack West to 7.55 at Strathcona. These heterogeneities require that...N i - C u ores of the S u d b u r y district, Ontario, are associated with the 1850 + 1 Ma [1] S u d |  | | Journal (article/letter/editorial) | | study of the Footwall Breccia of the Sudbury impact structure, Canada R. LAKOMY Institut fiir Planetologie...Footwall Breccia layer in the North Range of the Sudbury impact structure is up to 150 m thick. It has been...layer has been thermally annealed by the overlying Sudbury Igneous Complex, which is interpreted as a coherent...the Levack gneiss complex, which forms the local country rock to the breccia layer in the Levack area...ago. The available observations suggest that the Sudbury structure represents the remnant of a multi-ring |  | Dickin, A.P, Richardson, J.M, Crocket, J.H, McNutt, R.H, Peredery, W.V (1992) Osmium isotope evidence for a crustal origin of platinum group elements in the Sudbury nickel ore, Ontario, Canada. Geochimica et Cosmochimica Acta, 56 (9) 3531-3537 doi:10.1016/0016-7037(92)90396-z | Journal (article/letter/editorial) | | of platinum group elements in the Sudbury nickel ore, Ontario, Canada A. P. DICKIN, ’ J. M. RICHARDSON...Hamilton, Ontario L8S 4M 1, Canada 21NC0 Exploration and Technical Services, Copper Cliff, Ontario POM lN0...lN0, Canada (Received June 21, 1991; accepted in revisedform June 9, 1992) Abstract-Sulphide ores from...International Nickel Company’s (INCO) Creighton Mine, Sudbury, were analysed for osmium isotope ratios by...ratios at 1.85 Ga (the emplacement age of the Sudbury complex) cluster around 0.60. The occurrence of |  | Marshall, Dan, Watkinson, David, Farrow, Catharine, Molnár, Ferenc, Fouillac, Anne-Marie (1999) Multiple fluid generations in the Sudbury igneous complex: fluid inclusion, Ar, O, H, Rb and Sr evidence. Chemical Geology, 154 (1) 1-19 doi:10.1016/s0009-2541(98)00122-3 | Journal (article/letter/editorial) | | Ž1999. 1–19 Multiple fluid generations in the Sudbury igneous complex: fluid inclusion, Ar, O, H, Rb...Carleton UniÕersity, Ottawa ON, Canada K1S 5B6 b INCO, Copper Cliff, ON, Canada c Earth Sciences EotÕos ¨ ¨...Abstract The elliptically zoned Sudbury Structure in northern Ontario is host to world-class nickel–copper–PGE...Žincluding Ni–Cu sulphide. interactions in the Sudbury Structure that range from early remobilization...inclusions hosted along healed-fracture planes in quartz that offset ore minerals, that was trapped between |  | Naldrett, A. J., Bray, J. G., Gasparrini, E. L., Podolsky, T., Rucklidge, J. D. (1970) Cryptic variation and the petrology of the Sudbury nickel irruptive. Economic Geology, 65 (2) 122-155 doi:10.2113/gsecongeo.65.2.122 | Journal (article/letter/editorial) | | T. PODOLSKY, ANDJ. C. RUCKLIDGE Abstract The Sudbury Irruptive outcrops as an oval ring and has been...7% augitc and 25% of a micrographicintergrowthof quartz, plagioclaseand K-feldsparare overlain by about...augitc, 5% biotite and primary hornblendeand 8% quartz. The augitc: hyperstheneratio and the proportionof...noritc (the "quartz-richnoritc") acrosswhich (towards the lower contactof the Irruptive) the quartz plus m...hyperstheneincreases from 0.31 at the inner contactof the quartz-richnoritc to 0.41 at the outer (footwall) contactof |  | | Journal (article/letter/editorial) | | MINERALIZATION IN THE FOOTWALL OF THE SUDBURY IGNEOUS COMPLEX, ONTARIO, CANADA JACOB J. HANLEY† Department of...University, 923 Robie Street, Halifax, Nova Scotia, Canada B3H 3C3 AND COLIN J. BRAY Department of Geology...University of Toronto, 22 Russell Street, Toronto, Ontario, Canada M5S 3B1 Abstract Alteration veins containing...along the northern margin of the Sudbury Igneous Complex, Ontario, Canada. Crosscutting relations and structural...measurements show that the veins postdate the Sudbury impact event but predate the emplacement of footwall-style |  | | Journal (article/letter/editorial) | | THE SUDBURY BRECCIA HOSTING FOOTWALL Cu–Ni–PGE MINERALIZATION AT THE FRASER MINE, SUDBURY, ONTARIO, CANADA...of Toronto, 22 Russell Street, Toronto, Ontario M5S 3B1, Canada ABSTRACT An assemblage of hydrous, Cl-bearing...hosted by the Sudbury Breccia at the Fraser Copper zone, Fraser mine, Onaping–Levack area, Ontario. The pyroxene...hornblende hornfels contact-metamorphic aureole of the Sudbury Igneous Complex (SIC) contains less than 15 modal...hornfels facies is present in the matrix of the Sudbury Breccia; it contains 25 to 80% actinolite + chamosite |  | | Journal (article/letter/editorial) | | Structure: Implications for Ni-Cu-PGE Exploration at Sudbury* M. BOAST AND J. G. SPRAY† Planetary and Space...Bailey Drive, Fredericton, New Brunswick E3B 5A3, Canada Abstract A ~2.0-km-wide metamorphic aureole has...margin of the 2.5-km-thick Sudbury Igneous Complex of the 1.85 Ga Sudbury impact structure. The aureole...previously undetected thrust faults between the Sudbury Igneous Complex and the Archean footwall. We demonstrate...compression. Overthrusting of the footwall by the Sudbury Igneous Complex may conceal sublayer, footwall |  | Hanley, Jacob, Ames, Doreen, Barnes, Jaime, Sharp, Zachary, Guillong, Marcel (2011) Interaction of magmatic fluids and silicate melt residues with saline groundwater in the footwall of the Sudbury Igneous Complex, Ontario, Canada: New evidence from bulk rock geochemistry, fluid inclusions and stable isotopes. Chemical Geology, 281 (1) 1-25 doi:10.1016/j.chemgeo.2010.11.009 | Journal (article/letter/editorial) | | groundwater in the footwall of the Sudbury Igneous Complex, Ontario, Canada: New evidence from bulk rock geochemistry...Scotia, Canada Geological Survey of Canada, Natural Resources Canada, Ottawa, Ontario, Canada c Department...northern margin of the 1.85 Ga Sudbury Igneous Complex (SIC), Canada, a volumetrically minor rock type...comprises veins, dikes and irregular bodies of a quartz–alkali feldspar–plagioclase intergrowth that are...melt (silicate, H2O-rich) inclusions hosted in quartz from the FWGP have bulk and trace element compositions |  | | Journal (article/letter/editorial) | | Fe-Ni-Cu Sulfide Deposits on the North Range of the Sudbury Igneous Complex A. E. BESWICK† Mineral Exploration...Earth Sciences, Laurentian University, Sudbury, Ontario, Canada P3E 2C6 Abstract Analytical data sets...from the McCreedy West mine and other orebodies along the North Range of the Sudbury Igneous Complex have...The compositions of ores from the McCreedy West mine display a strongly bimodal distribution. A Cu-poor...deposits examined within the Levack embayment on the North Range of the Sudbury Igneous Complex collectively |  | | Journal (article/letter/editorial) | | com/locate/precamres The formation of the Sudbury breccia in the North Range of the Sudbury impact structure Bruno Lafrance...University, Ramsey Lake Road, Sudbury, ON P3E 2C6, Canada Geological Survey of Canada, 601 Booth Street, Ottawa...Ottawa, ON K1A 0E8, Canada a r t i c l e i n f o Article history: Received 18 October 2007 Received in...June 2008 Accepted 6 June 2008 Keywords: Sudbury breccia Sudbury impact structure Cataclasite Trace element...85 Ga Sudbury impact structure, massive bodies of Sudbury breccia cut across the Archean Levack gneiss |  | | Journal (article/letter/editorial) | | Ni–Cu–Platinum Group Element sulfide mineralization in the Sudbury Impact Melt Sheet R. R. Keays1 and P. C. Lightfoot2...Research Centre, Laurentian University, Sudbury, ON, Canada, and VIEPS, School of Geosciences, Monash...Australia 2 Inco Exploration, Copper Cliff, ON, Canada Received May 23, 2003; revised version accepted...Ni–Cu–Platinum Group Element (PGE) sulfide deposits of the Sudbury Structure have provided a major portion of the...studies seeking to explain the formation of the Sudbury Structure have now converged on a genetic model |  | | Journal (article/letter/editorial) | | Sciences, University of Western Ontario, London, Ontario N6A 5B7, Canada (Received May 5, 1995; accepted...compositions of magmatic sulfide ores from Sudbury, Canada, and the Insizwa complex, Transkei, were inconsistent...with data for magmatic sulfides from the Alexo mine, Ontario (Barnes and Naldrett, 1986) and Lunnon shoot...komatiite-hosted deposits and the main ore at the Strathcona mine is not a false value. It is the S content of...e y ' s (1962) estimate for the composition of Sudbury ore and within the range o f 38 to 40 wt% S for |  | | Journal (article/letter/editorial) | | evidence for distinct crustal sources of North Sudbury Igneous Complex and South Range ores, A. P. DICKIN...Geology, McMaster University, Hamilton, ON L8S 4M 1, Canada (Received June 29, 1995; accepted in revised...nine mines on the North and South Ranges of the Sudbury Igneous Complex (SIC). These data are compared...isotope signatures of country rocks and shock-melted Sudbury Breccias around the complex. Both ore and feldspar...correspondence between lead signatures of the SIC and Sudbury Breccia on each side of the complex. The evidence |  | Morgan, John W., Walker, Richard J., Horan, Mary F., Beary, Ellyn S., Naldrett, Anthony J. (2002) 190Pt-186Os and 187Re-187Os systematics of the Sudbury Igneous Complex, Ontario. Geochimica et Cosmochimica Acta, 66 (2) 273-290 doi:10.1016/s0016-7037(01)00768-2 | Journal (article/letter/editorial) | | 187 Re–187Os systematics of the Sudbury Igneous Complex, Ontario JOHN W. MORGAN,1,2,* RICHARD J. WALKER...Geology, University of Toronto, Toronto, Ontario M5S 3B1, Canada 2 (Received April 4, 2000; accepted in...Falconbridge, McCreedy West, and Strathcona mines at Sudbury, Ontario. At McCreedy West and Falconbridge...Ma for the Sudbury Igneous Complex (SIC). For Hangingwall and Deep Zone ores at Strathcona, the age of...from those at McCreedy West and Falconbridge. Strathcona Deep Copper Zone ores have highly radiogenic |
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