 | | Journal (article/letter/editorial) | | 108, pp. 895–907 AGE OF THE BIRD RIVER SILL, SOUTHEASTERN MANITOBA, CANADA, WITH IMPLICATIONS FOR THE...VARIATION OF LAYERED INTRUSION-HOSTED STRATIFORM CHROMITE MINERALIZATION JAMES S. SCOATES1,† AND R. F. JON...Vancouver, BC V6T-1Z4, Canada 2 2502 Holyrood Drive, Nanaimo, BC V9S-4K9, Canada Abstract The Archean...Archean Bird River sill, a 20-km-long and up to 800-m-thick mafic-ultramafic layered intrusion in the Bird River...River greenstone belt of southeastern Manitoba, Canada, contains significant resources of chromium and |  | | Journal (article/letter/editorial) | | Platinum-Group-Mineral Inclusions in Chromite from the Bird River Sill, Manitoba* W. Talkington**, D. H. Watkinson...Ontario, Canada K1S 5B6 Platinum-group minerals (PGM) have been identified as inclusions in chromite from...from the Bird River Sill, Manitoba. The inclusions are small (< 20 microns) and are commonly euhedral. The...palladium has been detected. Laurite inclusions in chromite from the ultramafic zone record two compositional...inclusions occur as discrete phases in chromite and are part of the chromite precipitation event. Increasing |  | | Journal (article/letter/editorial) | | Laurite and EnclosingChromite from the Bird River Sill, Manitoba DANIEL OHNENSTETTER, Centrede Recherchesur...uppermainchromitite, section225-180E, of the Bird River sill providessignificantevidencethat platinum-group...GeologicSettingof the Bird River Sill Chromitites -)'oøw 9'0øw N.W.T • THE Bird River sill is an Archcan...1981),butprimarytextures arecommonly preserved. The sill is characterizedby a lower ultramaficseries and...maficseries(Scoates, 1983). Platinum-groupmineral inclusionsin chromite have been describedby Talkingtonet al. (1983) |  | | Journal (article/letter/editorial) | | ultramafic rocks of the Bird River Sill, SE Manitoba, Canada P. Theyer Manitoba Energy and Mines, 555-330...555-330 Graham Avenue, Winnipeg, Manitoba, Canada, R3C 4E3 Received: March 2, 1989/Revisedversion: September...the Archean Bird River Sill, a mafic-ultramafic stratiform intrusion in southeastern Manitoba, is divided...crystallization histories. The Bird River Sill in southeastern Manitoba is a differentiated and layered...ultramafic intrusion. Significant concentrations of chromite, in addition to several nickel-copper sulfide |  | | Journal (article/letter/editorial) | | University, Ottawa, Canada Platinum-Group Minerals and Other Solid Inclusions in Chromite of Ophiolitic Complexes:...fluid inclusions occur in disseminated and massive chromite in a variety oflithologies from ophiolitic and...inclusions with chromite suggests that their origin must be considered within a chromite crystallization...and silicate liquid during the precipitation of chromite. The similarity of physical characteristics, modal...others) and other solid and fluid inclusions in chromite are present in ophiolites (e.g., Johan and Lebel |  | | Journal (article/letter/editorial) | | 1986, pp. 1179-1186 Platinum-GroupMinerals in Chromite Seamsof the Stillwater Complex, Montana RAYMOND...base metal sulfide inclusions in an unfractured chromite host. All identified inclusions in unfractured...singleunusualinclusionphase have been identified in the A chromite seam at West Fork and the B seam at Mountain View...phasesthat precipitatedlate andare interstitial to chromite. Introduction Bronzititememberis a thick pile...olivineandchromite,especially towardthe top of this chromite seams occur in the Ultramafic zone and we area |  | | Journal (article/letter/editorial) | | recognizablycumulateores.They are hostedin largeultramaficmafic sill-like complexesin simaticvolcanicsequences,suggestingthat...diverseandof necessitythisbroadoverview 528 CHROMITE DEPOSITSTHROUGH TIME 529 is simplified,sothat...igneouscomplexesdependuponthe regionalstress, Chromite oresare usuallyclassedas either strati- modifiedby...The MashabaComplexes,Table 1). Layeredcomplexes chromite occurrence or idea from the voluminous lit- TABLE1...3.9 Thefiord, Canada Podiform 3.0 Skaergaard Stratiformsheet 0.7 Muskox, Canada Stratiform dike |  | | Journal (article/letter/editorial) | | Upper Central Layered Zone of the Fox River Sill, Northeastern Manitoba* R. F. J. SCOATESAND O. R. ECKSTRAND...ECKSTRAND GeologicalSurveyof Canada,601 BoothStreet,Ottawa, CanadaK1A OE8 Abstract Platinum-groupelement abundancesrangingup...certaincyclicunitsof the FoxRiver sill, northeasternManitoba.The sill is a 250-km-long,predominantlyultramaficstratiform...principal occurrence were as laurite inclusions in chromite. Althoughthe chondrite-normalized platinum-group...Fox River sill shouldoccurin thin, highlydifferentiatedcyclicunits. Introduction THE Fox River sill |  | Sotiriou, Paul, Polat, Ali, Frei, Robert, Yang, Xue-Ming, van Vessem, James (2020) Evidence for Neoarchean hydrous arc magmatism, the anorthosite-bearing Mayville Intrusion, western Superior Province, Canada. Lithos, 362. 105482 doi:10.1016/j.lithos.2020.105482 | Journal (article/letter/editorial) | | Mayville Intrusion, western Superior Province, Canada Paul Sotiriou, Ali Polat, Robert Frei, Xue-Ming...Mayville Intrusion, western Superior Province, Canada, LITHOS (2020), https://doi.org/10.1016/j.lithos...Mayville Intrusion, Western Superior oo f Province, Canada pr Paul Sotiriou a, Ali Polata, *, Robert Freib...Environment, University of Windsor, Windsor, ON N9B 3P4, Canada al b rn Geology Section, Department of Geosciences... Denmark Manitoba Geological Survey, 360-1395 Ellice Avenue, Winnipeg, MB R3G 3P2, Canada *Corresponding |  | | Report (issue) | | the tools and materials we need. The staff at Manitoba Energy and Mines is proud of the record Manitobans...formed the mainstay of mining in Manitoba. In Industrial Minerals in Manitoba, we trace the growth of this...materials that form the basis of industrial society. Manitoba Energy and Mines has played an important role...History of Industrial Minerals in Manitoba General Geology of Manitoba Evaluation Techniques Mining and...Industrial Minerals Industry Present Producers in Manitoba Precambrian Rare Elements Dimension Stone Quartzite |  | | Journal (article/letter/editorial) | | ultramafic a and mafic ’ GeologicaJ Survey of Canada, contribution number 43694 * Present address: GANMET...GANMET, 555 Booth St., Ottawa, Ont. KlA OG 1,Canada. 0024-4937/95/$09.50 0 1995 Elsevier Science B.V...analysis of chromian spinel grains from the Bird River Sill, Manitoba, using the Heidelberg, Germany, proton...have been analyzed by proton microprobe at Guelph, Canada, for the purposes of ( 1) documenting the ranges...for the analysis was 249 pm thick. A synthetic chromite standard (FeCr,O,) was used for calibration. Data |  | | Journal (article/letter/editorial) | | THE BIRD RIVER CHROMITE. MANITOBA* J. D. B.trnnmN** Arsrnect Analyses of the Bird River chromite indicate...verified by the presence of exolved hematite in the chromite crystals. Similar hematite inclusions in the higher...do not enter into the chromite molecule. Iwrnooucrrow Large deposits of chromite were discovered during...during 1942in the Lac du Bonnet district of Manitoba about 80 miles northeast of winnipeg. The geology and...summarized here. Stratiform chromite deposits occur in a composite basic sill of early pre-Cambrian age |  | | Report (issue) | | earthscience and mineral-resource agencies of Australia, Canada, the Federal Republic of Germany, the Republic...earthscience and mineral-resource agencies of Australia, Canada, the Federal Republic of Germany, the Republic...Mines and Resources (EMR), Geological Survey of Canada; Ian Goldberg, South African Department of Mineral...tribution of chromite deposits and districts ----------------------------------Chromite resources --...-------------------------------------------------------Chromite production ---------------------------------- |  | | Report (issue) | | DIVISION MRD Educational Series 78/2 Minerals of Manitoba Volume II: Metallic minerals by K.A. Phillips...Ph.D., P. Eng. Winnipeg 1979 1 Minerals of Manitoba Volume II: Metallic Minerals Foreword .........the rocks and minerals of Manitoba. The first, entitled Common Rocks in Manitoba (1975), introduced the...then described in the first volume of Minerals of Manitoba (1978), with details of their occurrences throughout...north as Lynn Lake, and others near the Trans- Canada highway at Falcon Lake. The numerous mine rock-dumps |  | | Journal (article/letter/editorial) | | anorthosite, gabbro, or ultramafic rocks. Some contain chromite layers in either the anorthosite or ultramafic...belts (Windley et al., 1973; Myers, 1985). In Manitoba the low grade greenstone belts that contain anorthosite...Ontario. (b) Anorthosite block at Pipestone Lake, Manitoba (c) Euhedral plagioclase megacrysts in a gabbroic...in banded anorthositic gneiss at Cauchon Lake, Manitoba. Much of the plagioclase is recrystalhzed (white...Quebec (Allard, 1970) Bell River, Quebec (Freeman, 1939) Nelson River, Manitoba (Bell, 1971, 1978; Hubregtse |  | | Journal (article/letter/editorial) | | GeoscienceCentre, Carleton University, Ottawa KIS 5B6, Canada Ansrru,cr Hollingworthite from a deposit rich...Evstigneeva, 1986); Werner Lake, Canada (Rucklidge, 1969); Rathbun Lake, Canada (Rowell and Edgar, 1986);Kambalda...interstitial to chromite in the Bird River Sill, Canada(Cabri and Laflamme, 1988); in chromite from Osthammeren...SEM at the BRGM and at the Geological Survey of Canada,and the X-ray scanningwas performed on the Camebaxmicrobeam...minerals from three stratigraphic layers, Bird River sill, Manitoba. CANMET Report CM88tE, 52 p. Cabri, L |  | | Journal (article/letter/editorial) | | anorthosite, all containing small quantitiesof chromite, were alsosampled. The lower group chromititesoccurwithin...Bronzitite with cpx. I I I I I 7// Disseminated CHROMITE Layer 43 , 33/I 34/3 34/p 34/I 46 NOTE' No...symbols o "50 40/I u-• i- . 46/3 ß ß ß Chromite - bearing silicates Middle Group chromites LG...66Y/ 68/2 Lydenburg 50 ooO 70 80 90 Vol ø/o chromite Mainzoneo• Km Is FIG. 1. Locality map and the...chromititesare mitites in the ultramafic series of the Bird River sill. enriched in platinum-group elements compared |  | | Journal (article/letter/editorial) | | and J.M. Franklin Geological Survey of Canada, Ottawa, Canada, KIA OE8 (Received December 17, 1990; accepted...Dr. K.H. Poulsen, Geological Survey of Canada, Ottawa, Canada, K 1A 0E8. tion only along boundaries...~'/OTI S H :~ BROADBACK RIVER CMISTASSINI ' HOMOCLINE - BERENS ~ * BIRD R ~ V ~ ' ~ ) ~ * , ~+ +...Ti-V -Bad Vermillion Mo-Cu -Beide(man Bay Ni-Cr -Bird R -High Lake 'Lode AU Mo-Cu i @ CENTRAL SUPERIOR-Quetico...SUPERIOR-Quetico, Wabigoon, Winnipeg R., Bird R. VMS-Troul Bay V M S ~ S o u t h Bay T Lo~, ,o Me |  | | Journal (article/letter/editorial) | | correlated with chemical properties of silicates and chromite; (2) the chromitite-forming processes in the Oman...Philippines (Bacuta et al. 1988), Thetford Mines, Canada (Corrivaux & Laflamme 1990), Bulqiza and Tropoja...(Talkington & Lipin 1986), and the Bird River Sill complex, Manitoba (Ohnenstetter et al. 1986). The laurite...(Talkington & Lipin 1986), and Bird River Sill complex, Manitoba, Canada (Ohnenstetter et al. 1986). PGM...stable, being converted to Ferich phases, ferrian chromite or Cr-bearing magnetite (e.g., Ahmed et al. 2001) |  | | Journal (article/letter/editorial) | | slta © Springer-Verlag 1993 Correlation between chromite composition and PGE mineralization in the Critical...Abstract. Detailed mineralogical investigations of chromite in the Lower and Critical Zones in the northwestern...long-range systematic trends in the composition of chromite in the massive layers. These long-range trends...accordance with chromite composition. The relation between silicate geochemistry, chromite composition,...Complex (BC) holding ca. 75% of the world's known chromite reserves (Griffith 1989). The BC is one of the |  | | Journal (article/letter/editorial) | | aluminum.tends to decreasethe chromium content of chromite, but the high magnesium:ferrousiron ratio tends...actual occurrencein natural deposits. Magmatic chromite,magnetite,and ilmenitehaveusuallybeenconsidered...usedto drawthe wholepicturetogether. Chromite.--The associationof chromite with ultrabasic rocks is well estab-...SouthernRhodesia(25), Briggs Creek, Oregon (2), and Quebec,Canada(30). Howeverthe closespatialrelationship betweenore...van der Walt (32). The chromitefrom the Bird River sill, Manitoba, consistentlycarries from 36-40% Cr•O• |  | Prichard, Hazel M., Barnes, Sarah-Jane, Fisher, Peter C., Pagé, Philippi, Zientek, Michael L. (2017) Laurite and Associated PGM In the Stillwater Chromitites: Implications For Processes of Formation, and Comparisons With Laurite In the Bushveld and Ophiolitic Chromitites. The Canadian Mineralogist, 55 (1) 121-144 doi:10.3749/canmin.1600006 | Journal (article/letter/editorial) | | Québec à Chicoutimi, Chicoutimi, Québec G7H 2B1, Canada PETER C. FISHER* School of Earth and Ocean Sciences...Québec à Chicoutimi, Chicoutimi, Québec G7H 2B1, Canada MICHAEL L. ZIENTEK¶ United States Geological Survey...in the composition and shape of PGM in the nine chromite layers (A to K) in the Stillwater Complex, Montana...chromitites is laurite, predominantly enclosed in chromite grains. In a few cases the laurite is accompanied...[CuPtRh(6Ir)S] and Pt-Pd-sulfides. Interstitial to the chromite grains the PGM assemblage is quite different, |  | Zaccarini, F., Pushkarev, E. V., Fershtater, G. B., Garuti, G. (2004) COMPOSITION AND MINERALOGY OF PGE-RICH CHROMITITES IN THE NURALI LHERZOLITE GABBRO COMPLEX, SOUTHERN URALS, RUSSIA. The Canadian Mineralogist, 42 (2) 545-562 doi:10.2113/gscanmin.42.2.545 | Journal (article/letter/editorial) | | olivine, Mn-bearing olivine, albite, microcline, chromite and ilmenite, whereas we used metallic Ni, V,...Fe detected in the analyses of PGM included in chromite are ascribed to spurious fluorescence from direct...thin layers of rodingite a few meters below the chromite horizon may possibly mark the first appearance...chromian spinel is variably altered to ferrian chromite along grain boundaries and cracks. As a result...chalcopyrite generally occur as inclusions in chromite, and may form composite inclusions with PGM, whereas |  | Mukherjee, Ria, Mondal, Sisir K., Frei, Robert, Rosing, Minik T., Waight, Tod E., Zhong, Hong, Kumar, G.R. Ravindra (2012) The 3.1Ga Nuggihalli chromite deposits, Western Dharwar craton (India): Geochemical and isotopic constraints on mantle sources, crustal evolution and implications for supercontinent formation and ore mineralization. Lithos, 155. 392-409 doi:10.1016/j.lithos.2012.10.001 | Journal (article/letter/editorial) | | elsevier.com/locate/lithos The 3.1 Ga Nuggihalli chromite deposits, Western Dharwar craton (India): Geochemical...2012 Available online 12 October 2012 Keywords: Chromite Komatiite Magmatic fractionation Supercontinent...metasedimentary rocks belonging to the Sargur Group. Sill-like ultramafic–mafic plutonic bodies are present...element data, along with the layered nature of the sill-like ultramafic–mafic rocks indicate that the plutonic...equivalents host important metal deposits like chromite, Ni-sulfide and minor PGE mineralization. The uneven |  | | Journal (article/letter/editorial) | | Ontario, and Bird River North, Pipestone Lake (PHINNEY et al., 1983) and Cauchon Lake, Manitoba (PHINNEY...plagioclase-megacryst-bearing, basaltic flow, dike, and sill compositions provide evidence for major element...limb of the Bird River sill near Donner Lake, Manitoba ( PHINNEY et al., 1988). The entire sill at this location...BRN-2B no contacts are exposed, some areas of the sill contain no megacrysts, and the grain size is somewhat...coarser, nonmegacrystic, more ophitic segment of the sill. Preparation of Sample Sample material was ground |
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Chrome Claim, Bird River Sill, Manitoba, Canada