 | WU, FU-YUAN, MITCHELL, ROGER H., LI, QIU-LI, ZHANG, CHANG, YANG, YUE-HENG (2017) Emplacement age and isotopic composition of the Prairie Lake carbonatite complex, Northwestern Ontario, Canada. Geological Magazine, 154 (2) 217-236 doi:10.1017/s0016756815001120 | Journal (article/letter/editorial) | | composition of the Prairie Lake carbonatite complex, Northwestern Ontario, Canada F U - Y UA N W U â...âĄDepartment of Geology, Lakehead University, Ontario, P7B 5E1, Canada (Received 3 September 2015; accepted...Alkaline rock and carbonatite complexes, including the Prairie Lake complex (NW Ontario), are widely distributed...related to a mantle plume. The Prairie Lake complex is composed of carbonatite, ijolite and potassic nepheline...syenite. Two samples of baddeleyite from the carbonatite yield UâPb ages of 1157.2 ± 2.3 and 1158.2 ± |  | | Journal (article/letter/editorial) | | long rift are exposed only in the Lake Superior region. In the Lake Superior region, the rift cuts across...clastic sedimentary rocks. Beneath the center of Lake Superior the volcanic and sedimentary rocks are...in an arcuate trend from eastern Kansas through Lake Superior to the Grenville front 356 (Fig. 1 )...although rift-related rocks are only exposed in the Lake Superior region (Fig. 2). The rift system contains...center of Lake Superior (Behrendt et al., 1988; Cannon et al., 1989). Where exposed in the Lake Superior |  | | Journal (article/letter/editorial) | | of orbicular ijolites from the Prairie Lake complex, Marathon, Ontario: Textural evidence from rare processes...of orbicular ijolites from the Prairie Lake complex, Marathon, Ontario: Textural evidence from rare processes...of orbicular ijolites from the Prairie Lake complex, Marathon, Ontario: SHANNON E. ZUREVINSKI* and ROGER...Department of Geology, Lakehead University, Thunder Bay, ON, CANADA P7B 5E1 *Corresponding author. Telephone:...ijolite at the 1.1 Ga Prairie Lake Carbonatite Complex (Marathon, Ontario, Canada), and is the only known |  | | Journal (article/letter/editorial) | | volcaniclastic breccia complex, northwestern Ontario, Canada Received: 10 January 2005 / Accepted: 6 June...present include: albite; potassium feldspar; quartz; calcite; apatite; and phenakite. Accessory minerals include:...carbonate vein consists of dolomite-ankerite and calcite with accessory zircon, xenotime, and monazite....Lakehed University, 955 Oliver Road, Thunder Bay, Ontario, CANADA P7B 5E1 E-mail: rmitchel@lakeheadu.ca...+1-807-3467853 minerals, consisting principally of calcite, thorogummite, hollandite and tyuyamanite, formed |  | | Journal (article/letter/editorial) | | pyrochlore-apatitite from The Good Hope Carbonatite, Ontario: A potential Nb deposit Roger H. Mitchell1*...Department of Geology, Lakehead University, Thunder Bay, Ontario, Canada P7B 5E1; 2 The Wahl Prospecting Group...Marathon, Ontario, P0T 2E0 ; 3Plato Gold Corp 1240 Bay Street, Suite 800, Toronto, Ontario, M5R 2A7....The Good Hope carbonatite is located adjacent to the Prairie Lake alkaline rock-carbonatite complex in northwestern...northwestern Ontario. The occurrence is a heterolithic breccia consisting of diverse calcite, dolomite and |  | Chakhmouradian, A. R., Mitchell, R. H., Burns, P. C., Mikhailova, Y., Reguir, E. P. (2008) Marianoite, a new member of the cuspidine group from the Prarie Lake siliconcarbonatite, Ontario. The Canadian Mineralogist, 46 (4) 1023-1032 doi:10.3749/canmin.46.4.1023 | Journal (article/letter/editorial) | | OF THE CUSPIDINE GROUP FROM THE PRAIRIE LAKE SILICOCARBONATITE, ONTARIO Anton R. CHAKHMOURADIAN§ Department...2N2, Canada Roger H. MITCHELL Department of Geology, Lakehead University, 955 Oliver Road, Thunder Bay...Bay, Ontario P7B 5E1, Canada Peter C. BURNS Department of Civil Engineering and Geological Sciences, University...University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada Abstract Marianoite, a new member of the cuspidine...phlogopiteâcalcite silicocarbonatite in the western part of the Mesoproterozoic Prairie Lake intrusive |  | | Journal (article/letter/editorial) | | Slate Islands, northeastern Lake Superior R. P. SAGE Geological Branch, Ontario Ministry of Natural Resources...Resources, Toronto, Ontario, Canada MSS 1B3 ABSTRACT The Precambrian rocks of the Slate Islands exhibit...alkalic magmatism. Alkalic intrusive events north of Lake Superior occurred on the Slate Islands. These alkalic...alkalic intrusions are represented by a carbonatite dike in the southeast corner of the island and a set...covering a surface area of approximately 39 km 2 in the northeast corner of Lake Superior (Fig. 1), were |  | | Journal (article/letter/editorial) | | of Geology, Lakehead University, Thunder Bay, Ontario P7B 5E1, Canada a r t i c l e i n f o Article...production of Nb, with the primary St. HonorĂ© carbonatite and other sources accounting for only for 7 and...individual petrographically-deïŹned units of carbonatite contain distinct suites of pyrochlore. Bulk rock...10 times or more above those of the primary carbonatite. Commonly, pyrochlores in laterites are ïŹne grained...[AraxĂĄ and CatalĂŁo-II (Brazil) and St. HonorĂ© (Canada)]. All produce ferroniobium alloy from pyrochlore |  | | Journal (article/letter/editorial) | | hollandite from the Schryburt Lake carbonatite complex, northwestern Ontario, Canada R. GARTHPLATr Department...Department of Geology, Lakehead University, Thunder Bay, Ontario, Canada P7B 5El Abstract Within a suite of...ultramafic rocks of the Schryburt Lake carbonatite complex of northwestern Ontario, loparite and Ba-Fe hollandite...magnetite, ilmenite, apatite and carbonate (generally calcite) with minor Mg-salite. Thus, they correspond to...been attributed to the periodic introduction of carbonatite-derived fluids enriched in REE, Na and Nb into |  | Liferovich, R. P., Mitchell, R. H., Zozulya, D. R., Shpachenko, A. K. (2006) Paragenesis and composition of banalsite, stronalsite, and their solid solution in nepheline syenite and ultramafic alkaline rocks. The Canadian Mineralogist, 44 (4) 929-942 doi:10.2113/gscanmin.44.4.929 | Journal (article/letter/editorial) | | Lakehead University, 955 Oliver Road, Thunder Bay, Ontario P7B 5E1, Canada Dmitriy R. ZOZULYA and Arkadiy...banalsite, nepheline, syenite, ijolite, alteration, Prairie Lake, Pilansberg, Sakharjok, GremyakhaâVyrmes, Turiy... nĂ©phĂ©line, syĂ©nite, ijolite, altĂ©ration, lac Prairie, Pilansberg, Sakharjok, GremyakhaâVyrmes, Turiy...nepheline syenite and alkaline ultramafic rocks: the Prairie Lake complex of alkaline rocks and carbonatites,... Superior Alkaline Province, northwestern Ontario, Canada, the Pilansberg peralkaline complex, South |  | | Journal (article/letter/editorial) | | U/Pb, Th/Pb as well as Pb/Pb dates from several carbonatite complexes from Europe and North America are presented...Canadian Shield. Other, less well-defined, events in Canada include magmatism at 1770 Ma from Argor, 570 Ma...at 360 Ma from the Canadian Cordillera. One carbonatite from the Ukrainian Shield (Chernigovka) has been...University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada e-mail: arukhlov_ablinova@shaw.ca Present...Building, 4999 - 98 Avenue, Edmonton, Alberta T6B 2X3, Canada of plume magmatism and associated continental |  | | Journal (article/letter/editorial) | | (Iron Hill, Wyoming, USA) and carbonatite (Prairie Lake, Ontario, Canada) showed that the early product...strongest X-ray diffraction lines, measured for the Prairie Lake material, are [dobs in Ă
(I) hkl]: ~3.29 (100)...leaching leads to replacement of kassite by anatase + calcite, which are also commonly observed as direct products...technique to identify submicroscopic anataseâ calcite intergrowths that can be easily mistaken for kassite... 360â1395 Ellice Avenue, Winnipeg, MB R3G 3P2, Canada e-mail: tania.martins@gov.mb.ca A. R. Chakhmouradian |  | Ăimen, Okay, Kuebler, Corinne, Simonetti, Stefanie S., Corcoran, Loretta, Mitchell, Roger, Simonetti, Antonio (2019) Combined boron, radiogenic (Nd, Pb, Sr), stable (C, O) isotopic and geochemical investigations of carbonatites from the Blue River Region, British Columbia (Canada): Implications for mantle sources and recycling of crustal carbon. Chemical Geology, 529. 119240 doi:10.1016/j.chemgeo.2019.07.015 | Journal (article/letter/editorial) | | carbonatites from the Blue River Region, British Columbia (Canada): Implications for mantle sources and recycling...carbonatites from the Blue River Region, British Columbia (Canada): Implications for mantle sources and recycling...Carbonatites From the Blue River Region, British Columbia (Canada): Implications for Mantle Sources and Recycling...University, 955 Oliver Road, Thunder Bay, Ontario P7B D MA 5E1, Canada PT E Corresponding Author:...carbonatites from the Blue River Region, British Columbia (Canada). These sill-like occurrences were intruded into |  | | Journal (article/letter/editorial) | | Sciences, Carleton University, Ottawa, Ontario, Kl S 5B6, Canada 4Department of Chemistry, Tokyo Metropolitan...Tapira) and Canada (Borden, Oka, and Prairie Lake) as well as one syenite (Poohbah Lake, Canada). Mineral...phases used were apatite, forsterite, diopside, calcite, monticellite, and perovskite. Large amount of...most samples. An apatite sample from the Prairie Lake carbonatite showed a 136Xe/13°Xe ratio of about 1400...heating studies of an apatite from the Jacupiranga carbonatite indicate that the high temperature fractions |  | Wu, Fu-Yuan, Yang, Yue-Heng, Mitchell, Roger H., Bellatreccia, Fabio, Li, Qiu-Li, Zhao, Zi-Fu (2010) In situ UâPb and NdâHfâ(Sr) isotopic investigations of zirconolite and calzirtite. Chemical Geology, 277 (1) 178-195 doi:10.1016/j.chemgeo.2010.08.007 | Journal (article/letter/editorial) | | Department of Geology, Lakehead University, Ontario, Canada, P7B 5E1 c Dipartimento di Scienze Geologiche...isotopes Zirconolite Calzirtite In situ analysis Carbonatite a b s t r a c t Although the calcium- and titanium-bearing...occurring at Phalaborwa (South Africa), Prairie Lake (Canada), Afrikanda and Kovdor (Kola, Russia), Guli...Calzirtite (Ca2Zr5Ti2O16) is a common mineral in carbonatite and associated pyroxenite and phoscorite (van...(c) Phalaborwa zirconolite Phala-ZrkC; (d) Priarie Lake calzirtite NW-1; (e) Afrikanda calzirtite Afrk-1 |  | | Journal (article/letter/editorial) | | Daniel S. Barker Calculated silica activities in carbonatite liquids Received: 21 April 2000 / Accepted:...11 July 2001 Ă Springer-Verlag 2001 Abstract Carbonatite magmas precipitate silicates, in addition to...assemblages provide tests of alternative sources (carbonatite magma, coeval silicate magma, or older rock)...carbonatites, because the silica activity in carbonatite magmas is too low to stabilize these minerals...activity coeÂcients for a silica component in carbonatite liquids are 1, so that small mole fractions |  | | Report (issue) | | Ontario Geological Survey Open File Report 6000 Summary of Field Work and Other Activities 1999 1999...1999 ONTARIO GEOLOGICAL SURVEY Open File Report 6000 Summary of Field Work and Other Activities 1999...Marshall Lake volcano on the northern margin of eastern Wabigoon Subprovince, northwestern Ontario; in Summary...Summary of Field Work and Other Activities 1999, Ontario Geological Survey, Open File Report 6000, p.23-1...Printer for Ontario, 1999 © Queenâs Printer for Ontario, 1999. Open File Reports of the Ontario Geological |  | | Report (issue) | | Main PAGE Asarco Inc. Geological map of Buchans area, Newfoundland. s.n., 1983?] M(130)2 B852a [Newfoundland...530 B264m Berg, Richard B. Guidebook of the Helena area, west-central Montana. [Butte] : Montana Bureau...Mineral resources of the North Pole Ridge Study Area, Gilliam and Sherman Counties, Oregon. Spokane,...canal, Pahvent Valley, Millard County, Utah. Salt Lake City, Utah : Utah Division of Water Rights, 1987...(U.S.). Aeromagnetic map of the Creede Mining District, southwestern Colorado. [Reston, Va.] : U.S. Geological |  | Zhang, Shitao, Chen, Huayong, Shu, Qihai, Zhang, Yu, Chu, Gaobin, Cheng, Jiamin, Tian, Jing (2019) Unveiling growth histories of multi-generational garnet in a single skarn deposit via newly-developed LA-ICP-MS U Pb dating of grandite. Gondwana Research, 73. 65-76 doi:10.1016/j.gr.2019.04.003 | Journal (article/letter/editorial) | | spatially related intrusive rocks in the mining area, the ore-forming age and genesis of the deposit...et al., 2011; Zhou et al., 2015). The Edong ore district located in the western of the MLYRB is well endowed...extensively distributed in the Edong ore district with a total PT outcrop area of ~700 km2 (ESM 1 Fig.1; Li et...long. 114°55âČ42âł E) is located in the Edong ore district, MLYRB with proven metal D reserves of 86.3...2017). The exposed strata in the Tonglvshan mining area are the Lower Triassic Daye Formation mainly consisting |  | Tappe, Sebastian, Brand, Natalie B., Stracke, Andreas, van Acken, David, Liu, Chuan-Zhou, Strauss, Harald, Wu, Fu-Yuan, Luguet, Ambre, Mitchell, Roger H. (2017) Plates or plumes in the origin of kimberlites: U/Pb perovskite and Sr-Nd-Hf-Os-C-O isotope constraints from the Superior craton (Canada) Chemical Geology, 455. 57-83 doi:10.1016/j.chemgeo.2016.08.019 | Journal (article/letter/editorial) | | Sr-Nd-HfOs-C-O isotope constraints from the Superior craton (Canada) Sebastian Tappe, Natalie B. Brand, Andreas Stracke...Sr-Nd-Hf-Os-C-O isotope constraints from the Superior craton (Canada), Chemical Geology (2016), doi: 10.1016/j.chemgeo...SR-ND-HF-OS-C-O ISOTOPE CONSTRAINTS FROM THE SUPERIOR CRATON (CANADA) PT Sebastian Tappe a *, Natalie B. Brand a,...Lakehead University, 955 Oliver Road, Thunder Bay, Ontario P7B 5E1, Canada * AC Corresponding author (S...Neoproterozoic kimberlite, ultramafic lamprophyre, and carbonatite magmatic activity was widespread across the Canadian-Greenland |  | Doroshkevich, Anna G., Veksler, Ilya V., Klemd, Reiner, Khromova, Elena A., Izbrodin, Ivan A. (2017) Trace-element composition of minerals and rocks in the Belaya Zima carbonatite complex (Russia): Implications for the mechanisms of magma evolution and carbonatite formation. Lithos, 284. 91-108 doi:10.1016/j.lithos.2017.04.003 | Journal (article/letter/editorial) | | composition of minerals and rocks in the Belaya Zima carbonatite complex (Russia): Implications for the mechanisms...mechanisms of magma evolution and carbonatite formation Anna G. Doroshkevich, Ilya V. Veksler, Reiner Klemd...composition of minerals and rocks in the Belaya Zima carbonatite complex (Russia): Implications for the mechanisms...mechanisms of magma evolution and carbonatite formation, LITHOS (2017), doi:10.1016/j.lithos.2017.04.003 ...composition of minerals and rocks in the Belaya Zima carbonatite complex (Russia): T implications for the mechanisms |  | Vrublevskii, V.V., Bukharova, O.V., Nebera, T.S., Sveshnikova, V.L. (2019) Composition and origin of rare-metal (NbâTa, REE) and sulfide mineralization in magnesiocarbonatites from the Yenisei Ridge, Central Siberia. Ore Geology Reviews, 111. 102949 doi:10.1016/j.oregeorev.2019.102949 | Journal (article/letter/editorial) | | Abstract The Penchenga Neoproterozoic linear fenite-carbonatite complex in the Yenisei Ridge consists of several...primary high-temperature phases (ferrodolomite, calcite, phlogopite, sodic amphibole of the eckermannite...208Pb/206Pb) suggest a mantle PREMA + EM 2 source of carbonatite magma and mineralization (including Nb and REE)...Neoproterozoic Penchenga fenite-carbonatite complex in the Southern Trans-Angara area of the Yenisei Ridge which...experimental data (Lee and Wyllie, 1998, 2000), mantle carbonatite magma of this type can originate and emplace |  | Duan, Zhuang, Gleeson, Sarah A., Gao, Wen-Sheng, Wang, Fang-Yue, Li, Chun-Jia, Li, Jian-Wei (2020) Garnet U-Pb dating of the Yinan Au-Cu skarn deposit, Luxi District, North China Craton: Implications for district-wide coeval Au-Cu and Fe skarn mineralization. Ore Geology Reviews, 118. 103310 doi:10.1016/j.oregeorev.2020.103310 | Journal (article/letter/editorial) | | Au-Cu skarn deposit, Luxi District, North China Craton: implications for district-wide coeval Au-Cu and Fe...Au-Cu skarn deposit, Luxi District, North China Craton: implications for district-wide coeval Au-Cu and Fe...Au-Cu skarn deposit, Luxi District, North China Craton: implications for district-wide coeval Au-Cu and Fe...potentially provide robust constraints on the ages of carbonatite, alkaline magmatism and skarn ore formation....garnet from the Yinan Au-Cu skarn deposit in Luxi District, eastern North China Craton, to place tight constraints |  | Chen, Maohong, Bagas, Leon, Liao, Xin, Zhang, Zhiqiang, Li, Qiuli (2019) Hydrothermal apatite SIMS Th Pb dating: Constraints on the timing of low-temperature hydrothermal Au deposits in Nibao, SW China. Lithos, 324. 418-428 doi:10.1016/j.lithos.2018.11.018 | Journal (article/letter/editorial) | | for one crystal in each sample. A rectangular area was identified around each crystal using ...analyses were performed along traverses across the area covered. The instrument was run with an ACCEPTED...were acquired by rastering a EP T 40 ïŽ 40 ïm2 area. The images show the relative abundances of elements...The spot size was ellipsoidal and ~20 ïŽ 30 ”m in area. A previously reported ThâPb dating protocol was...SbâAu deposit, and Su et al. (2009) reported SmâNd calcite isochron ages of 136 ï± 3 and 134 ï± 3 Ma for the |  | | Book | | South Africa 189 3.4.2. The Mackenzie dyke swarm, Canada 190 3.4.3. Parami-Etendeka dykes 192 3.5 Intracontinental...troctolite-anorthosite complexes 8.4.1. Voisey's Bay Ni-Cu-Co 8.5 Komatiite-related magmatic ore deposits...from the 3 Ga Lumby 1ake greenstone be1t, Ontario, Canada. Geo1ogy, 26: 719-722. PARTONE CHAPTERONE...in part, to thermal diffusion and to the surface area of the parcel in question. In other words, the Rayleigh's...S wave velocities at the CMB, within a dome-like area of about 250 km wide and 40 km high. This dome-like |
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