 | 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 ∗...‡Department 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 U–Pb ages of 1157.2 ± 2.3 and 1158.2 ± |  | | 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 |  | 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...occurs in phlogopite–calcite silicocarbonatite in the western part of the Mesoproterozoic Prairie Lake intrusive |  | | 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 |  | | 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. Honoré carbonatite and other sources accounting for only for 7 and...individual petrographically-defined 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 fine grained...[Araxá and Catalão-II (Brazil) and St. Honoré (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...have variable modal proportions of Mg-olivine, phlogopite, magnetite, ilmenite, apatite and carbonate (generally...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, Gremyakha–Vyrmes, Turiy... néphéline, syénite, ijolite, altération, lac Prairie, Pilansberg, Sakharjok, Gremyakha–Vyrmes, 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 |  | Drenth, Benjamin J., Souders, A. Kate, Schulz, Klaus J., Feinberg, Joshua M., Anderson, Raymond R., Chandler, Val.W., Cannon, William F., Clark, Ryan J. (2020) Evidence for a concealed Midcontinent Rift-related northeast Iowa intrusive complex. Precambrian Research, 347. 105845pp. doi:10.1016/j.precamres.2020.105845 | Journal (article/letter/editorial) | | aeromagnetic and gravity anomalies over a ~16,000 km2 area of 32 northeast Iowa and southeast Minnesota have...including the MRS-related Coldwell Complex of Ontario. The largest of the zoned intrusions are 48 ~40...Midcontinent Rift System (MRS) are exposed in the Lake 62 Superior region, where they host several different...detail for several decades. However, away from the Lake Superior 65 region, the MRS is covered by Paleozoic...penetrations of Proterozoic rocks in the region. The area of the 4 86 NEIIC is covered by 200-700 m of |  | | 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 Å (I) hkl]: ~3.29 (100)... 360‑1395 Ellice Avenue, Winnipeg, MB R3G 3P2, Canada e-mail: tania.martins@gov.mb.ca A. R. Chakhmouradian...Manitoba, 125 Dysart Road, Winnipeg, MB R3T 2N2, Canada e-mail: chakhmou@cc.umanitoba.ca L. Medici Istituto...USA), calcite carbonatites from Prairie Lake (northwestern Ontario, Canada) and Kontozero (Kola Peninsula |  | Çimen, 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) | | Daniel S. Barker Calculated silica activities in carbonatite liquids Received: 21 April 2000 / Accepted:...11 July 2001 Ó 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 coecients for a silica component in carbonatite liquids are 1, so that small mole fractions |  | Wu, Fu-Yuan, Yang, Yue-Heng, Mitchell, Roger H., Bellatreccia, Fabio, Li, Qiu-Li, Zhao, Zi-Fu (2010) In situ U–Pb and Nd–Hf–(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) | | 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...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...retain the original noble gas signature of the carbonatite source. The 4°Ar/36Ar ratios for the high temperature |  | 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 |  | | 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 © Queen’s Printer for Ontario, 1999. Open File Reports of the Ontario 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) | | dioritic stock and 40 Ar-39Ar plateau ages of phlogopite at Tonglvshan (142 ~ 140 Ma). The precision grandite...(Xie et al., 2011; Li Ar-39Ar geochronology of phlogopite and hornblende (Cheng et CE al., 2013; Li et...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 |  | Vrublevskii, V.V., Bukharova, O.V., Nebera, T.S., Sveshnikova, V.L. (2019) Composition and origin of rare-metal (Nb–Ta, 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...high-temperature phases (ferrodolomite, calcite, phlogopite, sodic amphibole of the eckermannite – magnesio-arfvedsonite...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 |  | 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 |  | 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 |  | | 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 |  | | Book | | pegmatite dyke at the Himalaya mine in the Mesa Grande district, California. From a crystal 19 mm 3, 764 independent...Italy, Penzhofer (1979) Bytownite, An 76, Crystal Bay, Minn., Wainwright (1969) Labradorite, An 69, Roneval...quenched from 1638 K, Kroll (1978) Labradorite, An 66, Lake Co., 0 Oregon, Tagai et al. (1980) z 0 Al content...neutron scattering length z Labradorite, An 66, Lake Co., 0 Oregon, Wenk and Kroll (1984) z Labradorite...identified from Table 3.1 50 Order-Disorder The Lake County labradorite with a, b, c and e diffractions |
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