 | 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...micropegmatite. 122 CRYPTICVARIATIONAND PETROLOGY OF SUDBURY NICKELIRRUPTIVE 123 The rocksimmediately to the...haveproved The Whitewatergroupoccursinsidethe Sudbury difficult to interpret, and drilling, probably...is the productof local Geology oĆthe Sudbury Area The Sudbury Nickel Irruptive outcropsas an ellipticalring...dikes. Speers(1956, 1957), pointedout that the Sudbury Irruptive lies at the apex of a broad dome some |  | | Journal (article/letter/editorial) | | 6.1415 THE SCADDING GOLD MINE, EAST OF THE SUDBURY IGNEOUS COMPLEX, ONTARIO: AN IOCG-TYPE DEPOSIT? Eva...Russell Street, Toronto, Ontario M5S 3B1, Canada Abstract The Scadding mine is only one of several small...Huronian metasedimentary rocks of the Sudbury â Wanapitei Lake area of Ontario. The locally brecciated, albitized...Na-metasomatism, REE enrichment, Sudbury area, Ontario. Sommaire La mine Scadding est un site minĂ©ralisĂ©...albitisĂ©es dâĂąge huronien de la rĂ©gion de Sudbury â lac Wanapitei en Ontario. Les roches hĂŽtes mĂ©tasĂ©dimentaires |  | | Journal (article/letter/editorial) | | Sackville, New Brunswick EOA 3C0 (Canada) G.A. HARRON DuPont of Canada Exploration Ltd., Suite 102, 1550...Alberni Street, Vancouver, British Columbia V6G 1A5 (Canada) ABSTRACT Mossman, D.J. and Harron, G.A., 1983...distribution of gold in the Huronian Supergroup, Canada -- the case for Witwatersrand-type paleoplacers...known as the Cobalt Emb a y m e n t northeast of Sudbury {Figs. 1 and 2). Some of the Au occurrences are...325 km long Ă 60 km wide from Sault Ste. Marie, Ontario, to Noranda, Quebec. It is a very thick (maximum |  | | Journal (article/letter/editorial) | | Mineralization, and Emplacement of the Foy Offset Dike, Sudbury Impact Structure* M. G. TUCHSCHERER AND J. G. SPRAYâ ...Bailey Drive, Fredericton, New Brunswick E3B 5A3, Canada Abstract The Foy offset dike is the longest of...known radial dikes associated with the 1.85 Ga Sudbury Igneous Complex. The Foy dike extends for at least...Archean and Proterozoic footwall rocks of the Sudbury impact structure. The dike ranges in width from...from 400 m, where it connects to the Sudbury Igneous Complex, to 50 m at its most distal known exposure |  | | Journal (article/letter/editorial) | | COBALT HILL PROSPECT NORTHEAST OF THE SUDBURY IGNEOUS COMPLEX, ONTARIO: A FLUID-INCLUSION AND MINERALOGICAL...of Toronto, 22 Russell Street, Toronto, Ontario M5S 3B1, Canada ABSTRACT Pyrite-rich quartz veins that...Cobalt Hill, Mackelcan Township, Ontario, ca. 20 km northeast of the Sudbury Igneous Complex (SIC), crystallized...by saline hydrothermal fluids that postdate the Sudbury Event. The fluids probably represent heated Canadian...Hill to the SIC, the ubiquitous presence of small Sudbury-type sulfide inclusions in pyrite in the Cobalt |  | | Report (issue) | | GOVERN YOUR USE OF THIS DOCUMENT Your use of this Ontario Geological Survey document (the âContentâ) is governed... copyright is held by the Queenâs 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) | | trace element variation in erupted melts can be greater or smaller than that of their mantle sources, depending...Slater et al., 2001; Maclennan et al., 2003a, 2003b; Laubier et al., 2007; Maclennan, 2008). Owing to the...al., 2001; Laubier et al., 2007; Maclennan et al., 2003a; Maclennan, 2008), and the dynamic constraints...discussions in Slater et al., 2001; Maclennan et al., 2003a; Maclennan, 2008). In the simple melt aggregation...approach source values for degrees of partial melting greater than 2â5%, for both peridotite and pyroxenite melts |  | | Journal (article/letter/editorial) | | system geometries from petrological data with greater confidence, mineralâmelt equilibrium models require...Thordarson et al. 1996; Gurenko and Sobolev 2006; Maclennan 2008a, 2008b; Hartley et al. 2014). Most of these...discrepancies between different barometric techniques are greater than quoted model uncertainties as a result of...to as macrocrysts hereafter (c.f. Thomson and Maclennan 2013). After being washed in distilled water and...requirement for matrix corrections (Winpenny and Maclennan 2011). The following isotopes were measured for |  | | Journal (issue) | | Rocks and Minerals of Ontario -- H f ONTARIO DEPARTMENT OF MINES AND NORTHERN AFFAIRS Honourable...and Minerals of Ontario By D. F. HEWITT Chief, Industrial Mineral Section Ontario Department of Mines... (Courtesy The International Nickel Company of Canada, Limited). Centre left: Eurypterus lacustris, an...about 400 m.y. ago; Welland County. (Courtesy Shell Canada Ltd.). right: left: â â â Centre right: Archaeocrinus...are common in Paleozoic limestones throughout Ontario. A large crinoid reef extended along presentday |  | | Journal (article/letter/editorial) | | et al., 1974; Naqvi et al., 1978; Taylor and MacLennan, 1981; Gibbs et al., 1986; Wronkiewicz and Condie...material characterize pelites. A few grains of zircon, rutile and opaques are observed in a few samples with...fragments are unusually not observed; tourmaline, rutile, zircon and opaques are the common heavy minerals...ratios, the pelites are quite variable but there is greater variability in the ratios involving Sr, Th, U and...respectively) but not with P2O5. Also, there is greater increase in HREE (e.g. 105% in Yb) from the lowest |  | | Journal (article/letter/editorial) | | 1998; Saal et al., 2005; Jackson and Hart, 2006; Maclennan, 2008b; Paul et al., 2011; Sobolev et al., 2011)...isotopic heterogeneity in the melt inclusions is greater than in the erupted basalts (see references above...Sours-Page et al., 1999; Slater et al., 2001; Maclennan et al., 2003a,b; Stracke et al., 2003b; Ito and...Laubier et al., 2007; Maclennan, 2008a,b; Stracke and Bourdon, 2009; Shorttle and Maclennan, 2011; Waters et...2003; Maclennan, 2008b; Rubin et al., 2009; Stracke and Bourdon, 2009; Shorttle and Maclennan, 2011; |  | | Journal (article/letter/editorial) | | the crust exposed in the source areas (Taylor & MacLennan, 1988). Metagraywackes of the granulite facies...Pyrolusite Cabonates Other minerals Apatite Pyrite Rutile Elemental carbon (C) Coarse-grained graywacke...compiled in Pettijohn et al. (1976), and Taylor and MacLennan (1988). 4-8) Average continental margins, and...1985); 10-11) trends (based on data of Taylor and MacLennan, 1988): 10) graywackes of Precambrian greenstone...Kola Peninsula, and in the Pontiac Formation of Canada. With wider variations in chemical composition |  | | Report (issue) | | B.Freeman 7 ame B25 CLE) veed Ferguson, Ontario float, Be. Stewart A. occurrences of placer...placer gold, and Be9 wihth Ferguson, Ontario float, Stewart A. occurrences placer gold, of and...February, 1975). II Ontario Geological Survey Mineral Deposits Circular 17 ONTARIO OCCURRENCES OF FLOAT...Ferguson and E.B.Freeman 1978 Reprinted by , Ontario Ministry of Northern Development and Mines Sean...Printed in Canada Reprinted with corrections 1982 Reprinted 1988 Publications of the Ontario Geological |  | Pilles, E. A., Osinski, G. R., Grieve, R. A. F., Smith, D. A., Bailey, J. M. (2017) Chemical variations and genetic relationships between the Hess and Foy offset dikes at the Sudbury impact structure. Meteoritics & Planetary Science, 52 (12) 2647-2671 doi:10.1111/maps.12986 | Journal (article/letter/editorial) | | relationships between the Hess and Foy offset dikes at the Sudbury impact structure E. A. PILLES 1* , G. R. OSINSKI...Exploration, University of Western Ontario, London, Ontario N6A 5B7, Canada 2 Department of Physics and Astronomy...Astronomy, University of Western Ontario, London, Ontario N6A 5B7, Canada 3 Wallbridge Mining Company Limited...Limited, 129 Fielding Road, Sudbury, Ontario P3Y 1L7, Canada * Corresponding author. E-mail: epilles@uwo...aroundâand extending radially outward fromâthe Sudbury Igneous Complex (SIC), which represents an ~3 km |  | | Journal (article/letter/editorial) | | biotite. Accessory minerals are pyrite, tourmaline, rutile and zircon. The abundance of chloritoid and pyrophyllite...Witwatersrand sequence that is routinely accessible in mine workings or exploration drill holes. Texturally...Booysens shale adjacent to Kimberley Reef, 3912. Crown Mine, Central Rand, e Detrital biotite in fine-grained...minerals include chlorite, muscovite, tourmaline and rutile, with negligible biotite, or 312 G.N. Phillips...optically in a number of thin sections from the ERPM mine (Fig. 1), and confirmed by electron microprobe analysis |  | | Journal (article/letter/editorial) | | thermometry Eleanor S. Jennings, Sally A. Gibson, John Maclennan PII: S0009-2541(19)30394-8 DOI: https://doi...article as: E.S. Jennings, S.A. Gibson and J. Maclennan, Hot primary melts and mantle source for the ParanĂĄ-Etendeka...temperatures in CFB settings can be a few hundred degrees greater than those estimated for MORB, and the results...crystallisation temperatures in CFB settings can be much greater than those in MORB, it has also highlighted a ...Al-Kα1 on corundum; Cr-Kα1 on pure metal; Ti-Kα1 on rutile. The PAP correction was used to convert k-ratios |  | | Journal (article/letter/editorial) | | the correlation of strongly foliated areas with greater degrees of inferred alteration. The transitions...interpreted to be diamictites, in the west of ERPM gold mine (D. Martin, personal communication, 1986). Mature...metasediments (e.g. Consolidated Modderfontein gold mine); minor pyrophyllite occurs near the margins of...Winkelhaak; surface sampling from Consolidated Main Reef mine and exploration drill holes from the West Rand and...present throughout, with widespread tourmaline, rutile and pyrite, minor paragonite, and rare zircon. |  | | Journal (article/letter/editorial) | | volcanogenic massive sulphide camp: Manitouwadge, Ontario, Canada Yuanming Pan a, M i c h a e l E. Fleet b ... Sask. STN OWO, Canada bDepartment of Earth Sciences, University of Western Ontario, London, Ont. N6A...N6A 5BZ Canada Received 12 April 1994; revised version accepted 20 February 1995 Abstract Cordierite-orthoamphibole...massive sulphide (VMS) deposits at Manitouwadge, Ontario. Trace-element characteristics, particularly those...Archaean terranes. The Manitouwadge mining camp, Ontario, Canada represents one of the classic localities of |  | | Report (issue) | | COLLECTOR Ann P. Sabina Sudbury to Winnipeg I.I Energy, Mines and Resources Canada E:nergie, Mines et...et Ressourees Canada Canada THE ENERGY OF OUR RESOURCES THE POWER OF OUR IDEAS COVER Left: Amethyst...Amethyst - Thunder Bay, Ontario. Specimen measures 4.5 cm across the base. National Mineral Collection specimen... Geological Survey of Canada Miscellaneous Report 49 ROCKS AND MINERALS FOR THE COLLECTOR Sudbury to Winnipeg... © Minister of Supply and Services Canada 1991 Available in Canada through authorized bookstore agents |  | de Wit, Maarten, Furnes, Harald, MacLennan, Scott, DoucourĂ©, Moctar, Schoene, Blair, Weckmann, Ute, Martinez, Uma, Bowring, Sam (2018) Paleoarchean bedrock lithologies across the Makhonjwa Mountains of South Africa and Swaziland linked to geochemical, magnetic and tectonic data reveal early plate tectonic genes flanking subduction margins. Geoscience Frontiers, 9 (3) 603-665 doi:10.1016/j.gsf.2017.10.005 | Journal (article/letter/editorial) | | margins Maarten de Wit a, *, Harald Furnes b, Scott MacLennan a, c, Moctar DoucourĂ© a, d, Blair Schoene c, Ute...elsewhere (de Wit, 1983; Jackson and Robertson, 1983; MacLennan, 2012). Similar subvertical schist belts ïŹank...titanite in a rodingite dike in the SLUG (S.A. MacLennan, unpublished data). The maïŹc-ultramaïŹc rocks N...Wit et al., 1987a, and recently re-assessed by; MacLennan, 2012). These sequences were originally deïŹned...geochemistry of major elements and deep underground mine geology, BĂŒttner (1984) suggested that the Msauli |  | | Journal (article/letter/editorial) | | Kelemen et al., 1997; Lissenberg et al., 2004; Maclennan et al., 2005; VanTongeren et al., 2008, 2015;...of the initial temperatures become signiïŹcantly greater due to errors in Mg bulk closure temperatures (cf...others including amphibole, garnet, mica, ilmenite, rutile, and spinel) coexisting with plagioclase, clinopyroxene...radius, a larger clinopyroxene size induces a greater effective cooling rate and hence also increases...the plagioclase-rich end-member are signiïŹcantly greater than those in the clinopyroxene-rich endmember |  | de Almeida, Delia del Pilar M., Zerfass, Henrique, Basei, Miguel A., Petry, Karla, Gomes, Cristiane Heredia (2002) The Acampamento Velho Formation, a Lower Cambrian Bimodal Volcanic Package: Geochemical and Stratigraphic Studies from the Cerro Do Bugio, Perau and Serra De Santa BĂĄrbara (Caçapava Do Sul, Rio Grande Do Sul, RS - Brazil) Gondwana Research, 5 (3) 721-733 doi:10.1016/s1342-937x(05)70640-7 | Journal (article/letter/editorial) | | undertaken a t the Activation Laboratories at Ancaster, Canada. As all of the rocks display marked hydrothermal...analysed at the Activation Laboratory, Ancaster (Canada), using the argon plasma spectrometry - ICP technique...due to the fractionation of apatite, titanite and rutile (Almeida et al., 2000). Additionally, all samples...Fig. 5. (a) Chondrite Normalized (Taylor and MacLennan, 1985) REE diagram for the Upper Felsic Association...Fig. 4 (a) Chondrite Normalized (Taylor and MacLennan, 1985) REE diagram for the Lower Mafic Association |  | | Journal (article/letter/editorial) | | plateauâarc collisions such as found in Ecuador, the Greater Antilles, and Jamaica clearly approximates that...thicker oceanic crust, and the correspondingly greater amounts of eclogitization associated with it, favours...developed stable roots, which results in a far greater size problem than for any uniformitarian contender...at a wide range of depths within the ediïŹce (Maclennan et al., 2001; Lyons et al., 2007; Greene et al...Birch-Uchi - Felsic Dixie 18 Dacites South Bay Mine F3 Dixie 18 Icelandites Horseshoe Lake F3 Dixie | | | Report (issue) | | ANDD OOTHE HEAVY Ma ZZ 229 Al Ferguson, Ontario float, ZZ Stewart A. occurrences placer 229...229 gold, of and Al Ferguson, Ontario float, Stewart A. occurrences of placer gold, and NATURAL...February, 1975). ine Ontario Geological Survey Mineral Deposits Circular 17 ONTARIO OCCURRENCES OF FLOAT...Ferguson and E.B. Freeman 1978 Reprinted (57) Ontario by Ministry of Northern Development and Mines...0-7743-5522-0 Printed in Canada Reprinted with corrections Reprinted 1988 of the Ontario Geological Publications |  | Schmitt, Axel K., Perfit, Michael R., Rubin, Kenneth H., Stockli, Daniel F., Smith, Matthew C., Cotsonika, Laurie A., Zellmer, Georg F., Ridley, W. Ian, Lovera, Oscar M. (2011) Rapid cooling rates at an active mid-ocean ridge from zircon thermochronology. Earth and Planetary Science Letters, 302 (3) 349-358 doi:10.1016/j.epsl.2010.12.022 | Journal (article/letter/editorial) | | incorporating conductive and convective heat transport (Maclennan et al., 2005; Morton and Sleep, 1985) indicate...conductive cooling (âconductiveâ, green, dotted) from Maclennan et al. (2004) plotted for comparison suggest that...centers have been modeled in several studies (e.g., Maclennan et al., 2004, 2005; Morton and Sleep, 1985), with...(Boudier et al., 1996; Kelemen et al., 1997; Maclennan et al., 2005; VanTongeren et al., 2008). Unfortunately...revised calibrations for the Ti-in-zircon and Zr-in-rutile thermometers. Contrib. Mineralog. Petrol. 154, |
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