| Gangopadhyay, Amitava, Sproule, Rebecca A., Walker, Richard J., Lesher, C. Michael (2005) Re-Os systematics of komatiites and komatiitic basalts at Dundonald Beach, Ontario, Canada: Evidence for a complex alteration history and implications of a late-Archean chondritic mantle source. Geochimica et Cosmochimica Acta, 69 (21) 5087-5098 doi:10.1016/j.gca.2005.04.021 | Journal (article/letter/editorial) | and komatiitic basalts at Dundonald Beach, Ontario, Canada: Evidence for a complex alteration history...Sciences, Laurentian University, Sudbury, Ontario P3E 6B5, Canada (Received August 20, 2004; accepted in...the 2.7 Ga Kidd-Munro volcanic assemblage in the Abitibi greenstone belt, Ontario, Canada. The komatiitic...stratigraphically-equivalent komatiites from Munro Township. This suggests that Os was moderately compatible...crystal-liquid fractionation of the magmas parental to the Kidd-Munro komatiitic rocks. Whole-rock samples and chromite | | Sproule, R. A., Lesher, C. M., Houle, M. G., Keays, R. R., Ayer, J. A., Thurston, P. C. (2005) Chalcophile Element Geochemistry and Metallogenesis of Komatiitic Rocks in the Abitibi Greenstone Belt, Canada. Economic Geology, 100 (6) 1169-1190 doi:10.2113/gsecongeo.100.6.1169 | Journal (article/letter/editorial) | Komatiitic Rocks in the Abitibi Greenstone Belt, Canada R. A. SPROULE,ā ,* Mineral Exploration Research...Sciences, Laurentian University, Sudbury, Ontario, Canada P3E 6B5 C. M. LESHER, Mineral Exploration...Sciences, Laurentian University, Sudbury, Ontario, Canada P3E 6B5 M. G. HOULĆ, Mineral Exploration Research...Sciences, Laurentian University, Sudbury, Ontario, Canada P3E 6B5, Ottawa-Carleton Geoscience Centre...Ottawa, Ottawa, Ontario, Canada K1N 6N5, and Precambrian Geoscience Section, Ontario Geological Survey | | | Journal (article/letter/editorial) | that extends west 135 from Thunder Bay to the Ontario-Minnesota border (Fig. 1). It is mostly composed...the Wawa-Abitibi terrane published by 170 the Ontario Geological Survey (Lodge and Chartrand, 2013)....elements were analyzed at the Ontario 193 Geoscience Laboratories (Sudbury, Ontario). Major elements were analyzed...standards at the Ontario Geoscience Laboratories are published by the 198 Ontario Geological Survey... 528 the intermediate-dominated strata (Moss Township, 2716 Ā± 0.9 Ma: Lodge and Chartrand, 2013) 529 | | Sproule, R.A., Lesher, C.M., Ayer, J.A., Thurston, P.C., Herzberg, C.T. (2002) Spatial and temporal variations in the geochemistry of komatiites and komatiitic basalts in the Abitibi greenstone belt. Precambrian Research, 115 (1) 153-186 doi:10.1016/s0301-9268(02)00009-8 | Journal (article/letter/editorial) | Center, Laurentian Uni6ersity, Sudbury, ON, Canada P3E 6B5 b Ontario Geological Sur6ey, Willet Green Miller...Mining and Mineral Research Centre, Sudbury, ON, Canada P3E 6B5 c Department of Geological Sciences, Rutgers...Al-undepleted komatiites, those in the 2718ā 2710 Ma KiddāMunro assemblage are predominantly Al-undepleted...Some of the komatiites in the younger assemblages (KiddāMunro and Tisdale) are enriched in highly incompatible...flow units or individual parts of flow units in the Kidd āMunro and Tisdale assemblages suggests that crustal | | | Journal (article/letter/editorial) | February 2013 Editor: L. Reisberg Keywords: Komatiite Picrite Chrome spinel Melt inclusion Paleoproterozoic Central...higher in titanium than the typical Archean Munro Township-type komatiites. In spite of this moderate enrichment...source characteristics of typical Archean Munro Township-type komatiites (cf. Gangopadhyay and Walker,...Jeesiƶrova komatiites and sample 800-LVP-46 is a picrite from Peuramaa. The bulk rock compositions of the...references therein). Accuracy and Sample/C1 Chondrite Picrite (800-LVP-46) Komatiite (17A-EJH) 10 Komatiite | | | Journal (article/letter/editorial) | 1978; Mottl and GeologicalSurveyof Canada,Ottawa, Ontario, Canada. et al., 1979; Mottl, 1983; Reed, 1983)...severalhundredmilliontons in the Iberian pyrite belt; Kidd Creek, Ontario,150+ millionmetric tons)andthe low water...X-ray diffractionat X-RayAssay Labs, Don Mills, Ontario. The first series transition metals,Mo, Ag, Cd...recognizedby Lapierre was sampledfor this Shasta district (Copley Greenstone and Balaklala investigation... arevery Nuclear ActivationServices,Hamilton, Ontario, for similarto typicalisland-arc basaltclinopyroxenes | | Hiebert, R. S., Bekker, A., HoulĆ©, M. G., Wing, B. A., Rouxel, O. J. (2016) Tracing sources of crustal contamination using multiple S and Fe isotopes in the Hart komatiite-associated NiāCuāPGE sulfide deposit, Abitibi greenstone belt, Ontario, Canada. Mineralium Deposita, 51 (7) 919-935 doi:10.1007/s00126-016-0644-1 | Journal (article/letter/editorial) | sulfide deposit, Abitibi greenstone belt, Ontario, Canada R. S. Hiebert 1 & A. Bekker 1,2 & M. G. HoulĆ©... University of Manitoba, Winnipeg, MB R3T 2N2, Canada 2 Department of Earth Sciences, University of...92521, USA 3 Geological Survey of Canada, QuĆ©bec, QC G1K 9A9, Canada 4 Department of Earth and Planetary...GEOTOP, McGill University, MontrĆ©al, QC H3A 0E8, Canada 5 IFREMER, Centre de Brest, UnitĆ© GĆ©osciences...area within the Abitibi greenstone belt in Ontario (Canada). The Hart deposit is composed of two zones | | | Report (chapter) | Geological Survey of Canada, 601 Booth Street, Ottawa, Ontario K1A OE8, Canada (e-mail." WBleeker@NRCan... 1984; Buick et al. 1995; or the Slave craton, Canada; Padgham & Fyson 1992; Bleeker & Davis 1999) are...sequences (e.g. de Wit et al. 1987; Kusky 1990; Kusky & Kidd 1992; Wilks & Harper 1997; Puchtel et al. 1998;...with komatiites and basalts of the 2710-2720 Ma Kidd-Munro assemblage contain rare inherited zircons...1991). (5) Finally, in the same area, the Cot6 Township tonalite intrudes slightly older volcanic rocks | | | Report (chapter) | 3P4, Canada 2 Departmentof Geological Sciences, University of Saskatchewan, SK, S7N 5E2, Canada 3 Departmentof...horizontal tectonics. The Superior Province of Canada was also built by the amalgamation of oceanic and...& Serri 1988); Tasmania (Brown & Jenner 1989) Picrite Isua (Polat & Hofmann 2003); Wawa (Polat Solomon...belts of the Wawa subprovince, Superior Province, Canada (Figs 1 and 2). Specifically, we address the geodynamic...(de Ronde & de Wit 1994); Zimbabwe Craton (Kusky & Kidd 1992) Abitibi (Lacroix & Sawyer 1995); Wawa (Gill | | | Journal (article/letter/editorial) | associated at this time. Key words: Archean, arc picrite, boninite, Yilgarn, Youanmi Terrane 1 1. Introduction...stratigraphic order. Samples collected to the east of the mine occur in the Singleton Formation or represent the...Geological Survey of Western Australia mapping of the district (Zibra, 2015). A group of drill hole samples from...become common since invoked for the Abitibi belt in Canada (Wyman et al., 1999 a,b) and mantle plume - subduction...similar to that shown by the southern Abitibi belt in Canada and demonstrates that the concept of short-lived | | | Journal (article/letter/editorial) | Francis, D., J. Ludden, R. Johnstone and W. Davis, Picrite evidence for more Fe in Archean mantle reservoirs...167 (1999) 197 Kennedy, B.M., see Torgersen, T. Kidd, W.S.F., see Schneider, D.A. Ku, T.-L., see Luo...(1998) 343ā360] Schneider, D.A., M.A. Edwards, W.S.F. Kidd, P.K. Zeitler and C.D. Coath, Early Miocene anatexis | | | Journal (article/letter/editorial) | through olivine tholeiite (20-30% melting) and picrite to komatiite (40~50% melting). Melting in the plagioclase...range from olivine tholeiite through tholeiitic picrite to komatiite for melting in the spinel peridotite...pyroxenes spinel (20-30% melting) to tholeiitic picrite to komatiite (Mgso) at 40-50% melting in equilibrium...clinopyroxene and chrome spinel though tholeiitic picrite Mg77 with residual olivine, orthopyroxene and chrome...Picrih 20 , / / / / ' / / Tholeiit'ic Picrite LU" 15 U~ / Z /,' ,. / / // / / / /' | | | Report (chapter) | terms ofophiolite analogues (e.g. Cann 1974; Dewey & Kidd 1977; Pallister & Hopson 1981), seismic refraction...MORs and concluded that (primitive) high-density picrite and (evolved) ironenriched magmas are probably...at 21~ essentially confirming the Sleep/Dewey & Kidd model for this segment of the EPR axis (Lewis 1979)...thermal and seismic models (Sleep 1975, 1978; Dewey & Kidd 1977). rate discriminants (e.g. Bass 1971; Nisbet...magma in open MOR systems. Periodic infusions of picrite melt into two- or three-phase cotectic liquids | | | Book | reasons for the approach taken Mineral deposit or mine? A genetic model as the basis for exploration The...Territory, Australia and Northern Saskatchewan, Canada Sandstone-hosted uranium deposits of the western...many geologists who have given their time during mine visits and responded to our queries. We have benefited...Decline Doline A downward inclined tunnel into a mine or potential ore body. A funnel-shaped depression...shaft excavated upwards for connecting levels in a mine or ore body. Ripping The removal of overburden | | | Journal (article/letter/editorial) | Science Place, UniĆersity of Saskatchewan, Saskatoon, Canada S7N 5E2 Received 3 February 1998; accepted 29 June...T., Nesbitt, R.W., 1982. Geochemistry of Munro Township basalts. In: Arndt, N.T., Nisbet, E.G. ŽEds.....the Woods greenstone belt, Superior Province, Ontario. Precam. Res. 81, 155ā178. Bach, W., Erzinger...Archean Crust in the western Abitibi subprovince, Canada. Can. J. Earth Sci. 28, 58ā76. Bickle, M.J., Nisbet...Sutcliffe, H.R., Stott, G.M. ŽEds.., Geology of Ontario. Ontario Geological Survey, Special Vol. 4Ž1.: 303ā381 | | | Book | ............... . 83 The Fresnillo Ag-Pb-Zn District, Zacatecas, Mexico .............................Deposits of the BathurstNewcastle District, New Brunswick, Canada Discussion of Tectonic Environments...in Greenstone Belts 170 The Kidd Creek Massive Sulfide Deposit, Ontario ...............................Gold Mine, South Dakota .. 4.5.3 Pre-Metamorphic Stratiform Gold Ores: The Hemlo Deposit, Ontario ......Post-Metamorphic Quartz-Rich Vein Ores: The Sigma Mine, Quebec ................ . 4.5.5 Discussion and | | | Journal (article/letter/editorial) | sequence. (The andesite is quartz normative and picrite slightly nepheline normative). The second feature... I I I 60 70 80 CA / CA+NA I 90 PRIMARY PICRiTE mml ARRAY :50 ANSO ~v~ -- SoRET I00 Fig...of the magma chamber, stratification of fresh picrite magma below evolved MORB magma, lateral zonation...Greenbaum (1974), Cann (1972), Sleep (1975), Dewey and Kidd (1977), and Huppert and Sparks (1980). The primary...thought to be entering this plumbing system is picrite or olivine-rich basalt (O'Hara 1968 ; Green et | | | Journal (article/letter/editorial) | Terre, UniversiteĢ du QueĢbec, Chicoutimi, G7H2B1, Canada J. S. Marsh Department of Geology, Rhodes University...primitive Tafelberg picrite (200 bar to 4 kbar, QFM-1) and a Ventersdorp picrite (6 kbar, QFM-2) were...fractional crystallization (Fig. 2a). For the Tafelberg picrite, the modelling indicates olivine fractionation...Basalt Basalt Basalt Basalt Basalt Basalt Basalt Picrite Basaltic Basaltic Basaltic Basaltic Basaltic Basaltic...Lesotho BE Formation, S. Lesotho Tuli basalts Tuli picrite Etendeka:Horingbaai Etendeka:Tafelberg a MgO SiO2 | | | Report (chapter) | terrane is in the Belingwe belt of Zimbabwe (Kusky & Kidd 1992). The tectonic setting of many komatiite suites...Magma mixing in komatiitic lavas from Munro Township, Ontario. In: KRONER, A. (ed.), Archaean Geochemistry...Superior Province of the Canadian Shield. Geoscience Canada, 13, 5-14. CAqTELL, A.C. & TAYLOR, R.N. 1990. Archaean...Marie Dyke Swarms. Geological --, Association of Canada Special Paper, 34. HARPER, C.L. & JACOBSEN, S.B...Rocks. Unwin Hyman, London, 208-231. KusKY, T.M. & KIDD, W.S.F. 1992. Remnants of an Archean oceanic plateau | | | Journal (article/letter/editorial) | to come. We are dealinghere not with a new iron mine or two but with a wholenew iron rangethat alre...Wegenast (1954) Groupof the NorthwestTerritories,Canada(7, p. 1959, and Figs. 1 and 2, Plate 9). Such forms...through the assistanceof the Research Council of Ontario. Dr. J. E. Hawley, Director of the Miller Laboratories...silicaindicatesthat it is an unusuallybasictype, approachinga picrite in composition. TABLE 4 ANALYSES OF ASHROCK (1)...other members. QUEEN'SUNIVERSITY, KINGSTON,ONT., CANADA, Sept. 22, 1954 BIBLIOGRAPHY 1. Bartley, M. W | | | Journal (article/letter/editorial) | (northwest Scotland). The lower discontinuity separates picrite from overlying picrodolerite and the recently discovered...discovered upper discontinuity separates picrite from underlying crinanite. The sill is thus divided...is slightly transgressive with respect to the picrite. The discontinuities are interpreted as the contacts... In Walker's (1930) account of the 'crinanite-picrite sill of Garbh Eilean and Eilean an Tighe' (i.e...(Gibb & Henderson, 1984)), he considered that the picrite at the bottom of the sill passed gradually upwards | | | Journal (article/letter/editorial) | Geological Survey of Canada, Natural Resources Canada, Ottawa, Ontario, Canada K1A 0E8; email: rernst@nrcan...notably in the Kam Group of the Slave Province, Canada, and perhaps in the Bababudan Group of Dharwar...and in the Abitibi Belt of the Superior Province, Canada, there are sufficient data to correlate between...of the Minto Inlier, Victoria Island, northern Canada (Rainbird & Ernst 2001). Note the progressive offlap... radiating dyke swarm focussing near Montreal, Canada (Kumarapeli 1993). (E) Kimberlite age progression | | Manikyamba, C., Kerrich, R., Khanna, T.C., Keshav Krishna, A., Satyanarayanan, M. (2008) Geochemical systematics of komatiiteātholeiite and adakitic-arc basalt associations: The role of a mantle plume and convergent margin in formation of the Sandur Superterrane, Dharwar craton, India. Lithos, 106 (1) 155-172 doi:10.1016/j.lithos.2008.07.003 | Journal (article/letter/editorial) | Sciences, University of Saskatchewan, Saskatoon, Canada S7N 5E2 a r t i c l e i n f o Article history:...present in the ā¼2.7 Ga Abitibi greenstone belt, Canada and are interpreted as the products of melting...interlayered with arc volcanics in the Canadian Tisdale and Kidd Creek volcanic sequences, Abitibi Subprovinces (Fan...speciļ¬cally of the 2.7 Ga Abitibi greenstone belt, Canada erupted as intraoceanic plateaus, whereas the Sultanpura...2001), and Pyke's Hill, Abitibi greenstone belt, Canada (Fan and Kerrich, 1997). Fields for Aldepleted | | | Report (issue) | 351and 358. LAND'S END 246.WEST GOWER 16 1 6 0 8 DISTRICT... . . . 26 2 6 247.SWANSEA ' 1 6 1 6 2 6 352...n . 1915 the work in the London and South-East district was suspended and a series of Special Reports...Trowbridge,H.G.S.BombardierRoyal FieldA rtil]ery Kidd, J. i s , ā¢ 0ā¢Corporal... RoyalEngineers ... ā¢ I...band may have a separate designation. I n no, district are all the shales present in workable development...recovered from mine-drainage and dump-drainage waters, especially at the Levant Mine, St. Just, and the | | | Report (volume) | 351and 358. LAND'S END 246.WEST GOWER 16 1 6 0 8 DISTRICT... . . . 26 2 6 247.SWANSEA ' 1 6 1 6 2 6 352...n . 1915 the work in the London and South-East district was suspended and a series of Special Reports...Trowbridge,H.G.S.BombardierRoyal FieldA rtil]ery Kidd, J. i s , ā¢ 0ā¢Corporal... RoyalEngineers ... ā¢ I...band may have a separate designation. I n no, district are all the shales present in workable development...recovered from mine-drainage and dump-drainage waters, especially at the Levant Mine, St. Just, and the |
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