 | | Journal (article/letter/editorial) | | Lakehead University, Thunder Bay, Ontario P7B 5E1, Canada a r t i c l e i n f o Article history: Received...xxxx Keywords: Carbonatites Niobium ore deposits Pyrochlore Laterite Supergene ores a b s t r a c t This...worldwide production of Nb, with the primary St. Honoré carbonatite and other sources accounting for only for...deposit is unique with respect to the varieties of pyrochlore present; extent of replacement by other minerals;...petrographically-defined units of carbonatite contain distinct suites of pyrochlore. Bulk rock analysis for Nb |  | | Journal (article/letter/editorial) | | “Coltan,” that caused Ta mines in Australia and Canada to be placed on care and maintenance. More recently...placer deposits and weathered crusts overlying carbonatite and peralkaline complexes account for the majority...majority of Ta production. Several carbonatite-related deposits (e.g. Upper Editorial handling: D. Huston... 3800 Finnerty Road (Ring Road), Victoria, BC, Canada V8P 5C2 G. J. Simandl (*) British Columbia Ministry...Victoria, BC, Canada V8W 9N3 e-mail: george.simandl@gov.bc.ca Fir and Crevier, Canada) are being considered |  | | Report (issue) | | gov/images/periodictable.pdf. Cover. Left, centimeter-size pyrochlore crystals from Uganda. Photograph by Gunnar Ries/CC-BY-SA-3...............................................M24 Mine Waste Characteristics ........................................................................M27 Mine Closure ............................................M4 M4. Photographs showing centimeter-size pyrochlore crystals from Uganda, and a tantalite crystal...subsurface geology of the Saint-Honoré carbonatite complex in southern Quebec, Canada, and a schematic north-south |  | Cordeiro, Pedro Filipe de Oliveira, Brod, José Affonso, Palmieri, Matheus, de Oliveira, Claudinei Gouveia, Barbosa, Elisa Soares Rocha, Santos, Roberto Ventura, Gaspar, José Carlos, Assis, Luis Carlos (2011) The Catalão I niobium deposit, central Brazil: Resources, geology and pyrochlore chemistry. Ore Geology Reviews, 41 (1) 112-121 doi:10.1016/j.oregeorev.2011.06.013 | Journal (article/letter/editorial) | | deposit, central Brazil: Resources, geology and pyrochlore chemistry Pedro Filipe de Oliveira Cordeiro a...July 2011 Keywords: Catalão I Carbonatite Phoscorite Nelsonite Pyrochlore a b s t r a c t The Catalão...Catalão I alkaline–carbonatite–phoscorite complex contains both fresh rock and residual (weatheringrelated)...plug-shaped orebodies named Mine II and East Area, respectively emplaced in carbonatite and phlogopitite. Together...detail, the orebodies consist of dike swarms of pyrochlore-bearing, olivine-free phoscorite-series rocks |  | | Journal (article/letter/editorial) | | niobium, metallogeny of tantalum, tantaloniobates, carbonatite, nepheline syenite, alkali granite, syenite,...exclusively for a broader context. In the Ancient Gneiss Complex, Swaziland (Trumbull, 1993), and in the Barberton...Siilinjärvi carbonatite and Saharjok nepheline–syenite (Zozulya et al., 2007). In the former, pyrochlore is only...(25) Beloziminskoe; (26) Bolshetagninskoe; (27) Saint-Honoré; (28) Elk Creek; (29) Afrikanda; (30) Aley;...Tomtor Mabouni Beloziminskoe Bolshetagninskoe Saint-Honoré Elk Creek Afrikanda Aley Upper Fir Chuktukon |  | Chakhmouradian, Anton R., Reguir, Ekaterina P., Kressall, Ryan D., Crozier, Jeremy, Pisiak, Laura K., Sidhu, Ravinder, Yang, Panseok (2015) Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64. 642-666 doi:10.1016/j.oregeorev.2014.04.020 | Journal (article/letter/editorial) | | com/locate/oregeorev Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy...Manitoba, 125 Dysart Road, Winnipeg, Manitoba R3T 2N2, Canada Department of Earth Sciences, Dalhousie University...1459 Oxford Street, Halifax, Nova Scotia B3H 4R2, Canada Hunter Dickinson Inc., 15th Floor, 1040 W. Georgia...Georgia Street, Vancouver, British Columbia V6E 4H8, Canada d School of Earth and Ocean Sciences, University...Finnerty Road, Victoria, British Columbia V8P 5C2, Canada b c a r t i c l e i n f o Article history: Received |  | Nedosekova, Irina, Vladykin, Nikolay, Udoratina, Oksana, Belyatsky, Boris (2021) Ore and Geochemical Specialization and Substance Sources of the Ural and Timan Carbonatite Complexes (Russia): Insights from Trace Element, Rb–Sr, and Sm–Nd Isotope Data. Minerals, 11 (7) 711 doi:10.3390/min11070711 | Journal (article/letter/editorial) | | and Substance Sources of the Ural and Timan Carbonatite Complexes (Russia): Insights from Trace Element...and Substance Sources of the Ural and Timan Carbonatite Complexes (Russia): Insights from Trace Element...Ilmeno–Vishnevogorsk (IVC), Buldym, and Chetlassky carbonatite complexes are localized in the folded regions...signatures and ore specialization: Nb-deposits of pyrochlore carbonatites are associated with the IVC, while...the Buldym complex and REE-deposits of bastnäsite carbonatites with the Chetlassky complex. A comparative |  | Walter, B.F., Parsapoor, A., Braunger, S., Marks, M.A.W., Wenzel, T., Martin, M., Markl, G. (2018) Pyrochlore as a monitor for magmatic and hydrothermal processes in carbonatites from the Kaiserstuhl volcanic complex (SW Germany) Chemical Geology, 498. 1-16 doi:10.1016/j.chemgeo.2018.08.008 | Journal (article/letter/editorial) | | Accepted Manuscript Pyrochlore as a monitor for magmatic and hydrothermal processes in carbonatites from...from the Kaiserstuhl volcanic complex (SW Germany) B.F. Walter, A. Parsapoor, S. Braunger, M.A.W. Marks...A.W. Marks, T. Wenzel, M. Martin, G. Markl , Pyrochlore as a monitor for magmatic and hydrothermal processes...in carbonatites from the Kaiserstuhl volcanic complex (SW Germany). Chemge (2018), doi:10.1016/j.chemgeo...the journal pertain. ACCEPTED MANUSCRIPT 1 Pyrochlore as a monitor for magmatic and hydrothermal processes |  | | Journal (article/letter/editorial) | | slags produced by the aluminothermic reduction of pyrochlore ROGER H. MITCHELL1,* AND ANTHONY N. MARIANO2...Geology, Lakehead University, Thunder Bay, Ontario Canada P7B 5E1 48 Page Brook Road, Carlisle, Massachusetts...reduction of pyrochlore-group minerals are a function of composition of the pyrochlore feed and the diverse...significant amounts of Nb to the slag. Perovskite-group compounds are present in all of the slags but differ...E Y WO R D S : slag, perovskite, zirconolite, pyrochlore, β-alumina, hibonite, aluminothermic reduction |  | Turlin, François, André-Mayer, Anne-Sylvie, Moukhsil, Abdelali, Vanderhaeghe, Olivier, Gervais, Félix, Solgadi, Fabien, Groulier, Pierre-Arthur, Poujol, Marc (2017) Unusual LREE-rich, peraluminous, monazite- or allanite-bearing pegmatitic granite in the central Grenville Province, Québec. Ore Geology Reviews, 89. 627-667 doi:10.1016/j.oregeorev.2017.04.019 | Journal (article/letter/editorial) | | pegmatitic granite in the central Grenville Province, Québec François Turlin, Anne-Sylvie André-Mayer, Abdelali...pegmatitic granite in the central Grenville Province, Québec, Ore Geology Reviews (2017), doi: http://dx.doi...pegmatitic granite in the central Grenville Province, Québec 3 François 4 Vanderhaeghec, Félix Gervaisd...connaissance géoscientifique du Québec, 5700, 4e Avenue Ouest, Québec (Québec), G1H 6R1 9 c Turlina,*...l’Énergie et des Ressources naturelles, Direction du Bureau de la Géosciences Environnement Toulouse |  | | Journal (article/letter/editorial) | | Manitoba, 125 Dysart Road, Winnipeg, Manitoba, Canada R3T 2N2 Received 14 July 2004; received in revised...comparison with the primitive mantle, the average carbonatite has significantly higher Nb/Ta and Zr/Hf ratios...Zr oxide minerals (in particular, perovskite, pyrochlore, ilmenite, baddeleyite and zirconolite) and zircon...cate-rich rocks of carbonatitic affinity) are complex oxide minerals belonging to the perovskite and...viable concentrations of Nb (e.g., Niobec pyrochlore deposit in Canada: Gendron et al., 1984) and Zr (e |  | | Book | | University of Manitoba, Winnipeg Manitoba R3T 2N2 Canada Prof. Dr. FRANCIS SAUPE Centre de Recherehes Petrographiques.... . . . . 3 27 Pyrochlore Group Minerals from the Qaqarssuk Carbonatite Complex. C. Knudsen ( with...(Y), Nb, and Ta Enrichment in Pegmatitesand Carbonatite-Alkalic Rock Complexes. P. Möller (with 18 Figures)...International Mineralogical Association (IMA). A group name, bastnaesite, for instance, is proposed for...element to the group name: bastnaesite-(La), bastnaesite-(Y) etc. Table 1 gives these group names with the |  | | Report (issue) | | Survey has produced this volume to describe a select group of mineral commodities currently critical to our...antimony in China; niobium in Brazil; and platinum-group elements in South Africa and Russia), thus increasing...same commodities. Rare-earth elements and platinum-group elements particularly are broadly viewed as critical...lithium (Li), manganese (Mn), niobium (Nb), platinum-group elements (PGE), rare-earth elements (REE), rhenium...........................M1 Chapter N. Platinum-Group Elements By Michael L. Zientek, Patricia J. Loferski |  | | Show/Event (guide) | | Eye Candy Clockwise from top left: Silver, ZCA #3 mine, Balmat, NY; Fluor-dravite, road cut near Gouvemeur...Gouvemeur, NY; Quartz (Japan-Law twin), Ellenville Lead mine, Ellenville, NY; Quartz, Bower Powers farm, Pierrepont...from Cobalt. Upon graduation, he worked across Canada in the explosives and mining industries. Later... sulphosalts, and native elements, either from Canada or anywhere! David Joyce has had a mineral business...Connecticut is famous for crystals of a samarskite group mineral collected in the 1930s, some of which were |  | | Report (issue) | | FRONTISPIECE: Historic pump at the Wodgina tantalum–tin mine. Brought from Port Hedland by camel train about............................................. 17 Complex types ...........................................International tantalum resources — exploration and mining Canada, Alaska, and Greenland ..................................................................... 63 Canada ........................................................ 63 Bernic Lake tantalum–lithium–caesium mine ............................................... |  | | Report (volume) | | Baross CO2 outgassing (volcanism) ) ctio ing du ub (C ing ass elting ated m carbon Cs Deep...See Figure 5 in Chapter 4 by Hazen et al. Carbonatite lava flow from an eruption of Oldoinyo Lengai.................................19 The aragonite group...........................................................................................301 Carbonatite mineral deposits............................................................305 GENESIS OF CARBONATITE MAGMAS...................................... |
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