 | | Journal (article/letter/editorial) | | LCT-SUITE PEGMATITE WITH LATE-STAGE SODIUM ENRICHMENT, BRAZIL LAKE, YARMOUTH COUNTY, NOVA SCOTIA. I. GEOLOGICAL...J. KONTAK§ Nova Scotia Department of Natural Resources, P.O. Box 698, Halifax, Nova Scotia B3J 2T9, Canada...Canada Abstract The Brazil Lake pegmatite, in Yarmouth County, Nova Scotia, enriched in Li, Ta and Rb...conforms to the LCT-suite classification. The pegmatite group, dominated by two subvertical sheets, is...395 Ma for the pegmatite equates to an amagmatic event in this part of southern Nova Scotia, but given its |  | Bradley, Dwight, Shea, Erin, Buchwaldt, Robert, Bowring, Sam, Benowitz, Jeff, O'Sullivan, Paul, McCauley, Andrew (2016) Geochronology and Tectonic Context of Lithium-Cesium-Tantalum Pegmatites In the Appalachians. The Canadian Mineralogist, 54 (4) 945-969 doi:10.3749/canmin.1600035 | Journal (article/letter/editorial) | | 1600035 GEOCHRONOLOGY AND TECTONIC CONTEXT OF LITHIUM-CESIUM-TANTALUM PEGMATITES IN THE APPALACHIANS...100, Houston, Texas 77056-4400, U.S.A. ABSTRACT Lithium-cesium-tantalum (LCT) and niobium-yttrium-fluorine...along the Appalachian orogen from Alabama to Nova Scotia. We report new U-Pb zircon (CA-TIMS), 40Ar/39Ar...From oldest to youngest, these are: (1) Brazil Lake, Nova Scotia, dated at ca. 395 (U-Pb columbite) by...component. Thus a set of zircon ages from an LCT pegmatite must be treated as analogous to detrital zircon |  | | Journal (article/letter/editorial) | | Francis Xavier University, Antigonish, Nova Scotia, B2G 2W5, Canada ROBERT A. MAYANOVIC Department of Physics...Francis Xavier University, Antigonish, Nova Scotia, B2G 2W5, Canada ABSTRACT The local structure of Ta(V)... Keywords: tantalum, complex, aqueous fluid, pegmatite, mineralization, transport. INTRODUCTION Highly...MINERALOGIST Ta-enriched secondary micas in the Tanco pegmatite, Manitoba. Similarly, Kontak & Kyser (2009) suggested...deposition of rare metal oxides in the Brazil Lake pegmatite, Nova Scotia. The transport and deposition of |  | Van Lichtervelde, Marieke, Grégoire, Michel, Linnen, Robert L., Béziat, Didier, Salvi, Stefano (2008) Trace element geochemistry by laser ablation ICP-MS of micas associated with Ta mineralization in the Tanco pegmatite, Manitoba, Canada. Contributions to Mineralogy and Petrology, 155 (6) 791-806 doi:10.1007/s00410-007-0271-z | Journal (article/letter/editorial) | | with Ta mineralization in the Tanco pegmatite, Manitoba, Canada Marieke Van Lichtervelde Æ Michel Grégoire...least small amounts of Ta. Abstract In the Tanco pegmatite, one of the world’s major Ta deposits, tantalum...petrogenesis of its host pegmatite. Micas are common in most of the pegmatite units and are intimately...they are interpreted to reflect Keywords Tanco pegmatite Tantalum Trace elements Ore deposit Micas... University of Waterloo, Waterloo, ON N2L 3G1, Canada D. Béziat S. Salvi CNRS-UMR5563. Laboratoire |  | | Journal (article/letter/editorial) | | major granite-hosted Sn and/or W deposits and lithium–cesium–tantalum (LCT) type pegmatites in the Acadian...processes. Keywords Tin granite . Rare element pegmatite . Tin province . Variscan orogeny . Crustal melting...Cornwall, Armorica, NW Iberia all the way to Nova Scotia (Schuiling 1967; Štemprok 1995; Sinclair et al...mineralizations in the New England states, New Brunswick, Nova Scotia, Newfoundland, and Cornwall are underlain by...formation of Pangea. Those on Newfoundland, Nova Scotia, New Brunswick, and along the Appalachian Mountain |  | | Journal (article/letter/editorial) | | close to the thermal-minimum composiKeywords : pegmatite, granite, rare metals, industrial minerals, gemstones...Whereas common minerals, e.g. those with essential lithium, beryllium, plutonic bodies tend to be mineralogically...to be tites are precisely the opposite. Most pegmatite bodies are confused with rare earth element pegmatites...Other fabrics that qualify as pegmatitic THE PEGMATITE PUZZLE include systematic coarsening in crystal...upon an aqueous fluid, alone for which the term pegmatite (from phgnumi, to make stout or acting in concert |  | | Journal (article/letter/editorial) | | Richmond Street North, London, Ontario N6A 5B7, Canada Department of Geological Sciences, University of...Building, 125 Dysart Road, Winnipeg, Manitoba R3T 2N2, Canada 2 Abstract Niobium and tantalum, rare metals...technologies, are concentrated among others in lithium-cesium-tantalum (LCT) pegmatites and rare metal...Nb-Ta mineralization has also been proposed for pegmatite-hosted deposits such as Tanco, Greenbushes, and...fluid-melt interactions in rare metal granites and pegmatite deposits may be more widespread than previously |  | | Journal (article/letter/editorial) | | detrital zircon grains, and passive margins. Lithium-cesium-tantalum (LCT) pegmatites have a similar...2638, 1800, 962, 529, 485, 371, 309, and 274 Ma. Lithium and Ta resources in LCT pegmatites are concentrated...ca. 1000 Ma. Keywords: granitic pegmatite, LCT pegmatite, NYF pegmatite, secular trends, supercontinent...the two main families of rareelement pegmatites (lithium-cesium-tantalum, or LCT, and niobium-yttrium-fluorine...et al. 1979, Tkachev 2011). Our tabulation of pegmatite ages builds on that of Tkachev (2011), but we |  | Anderson, M. O., Lentz, D. R., McFarlane, C. R. M., Falck, H. (2013) A geological, geochemical and textural study of an LCT pegmatite: implications for the magmatic versus metasomatic origin of Nb-Ta mineralization in the Moose II pegmatite, Northwest Territories, Canada. Journal of GEOsciences, 58 (4) 299-320 | Journal (article/letter/editorial) | | geological, geochemical and textural study of a LCT pegmatite: implications for the magmatic versus metasomatic...mineralization in the Moose II pegmatite, Northwest Territories, Canada Melissa O. ANDERSON1*, David R...Bailey Drive, Fredericton, New Brunswick, E3B 5A3, Canada; anderson.geology@gmail.com Northwest Territories...Avenue, Yellowknife, Northwest Territories, X1A 2R3, Canada Corresponding author The internal zonation and...characterized in the Moose II pegmatite, Northwest Territories, Canada, to distinguish primary magmatic |  | Zhu, Zeying, Wang, Rucheng, Marignac, Christian, Cuney, Michel, Mercadier, Julien, Che, Xudong, Lespinasse, Marc-Yves (2018) A new style of rare metal granite with Nb-rich mica: The Early Cretaceous Huangshan rare-metal granite suite, northeast Jiangxi Province, southeast China. American Mineralogist, 103 (10) 1530-1544 doi:10.2138/am-2018-6511 | Journal (article/letter/editorial) | | Yichun granite, China, Li et al. 2015; Tanco pegmatite, Canada, Van Lichtervelde et al. 2008; Cínovec granite...Johan et al. 2012; Brazil Lake pegmatite, Nova Scotia, Kontak 2006; Karibib pegmatite, * E-mail: rcwang@nju...region, China, Zhu et al. 2006; Cap de Creus pegmatite field, Spain, Alfonso et al. 2003; Gatuba area...Zhu et al. 2015). The Huangshan granite/aplite/pegmatite suite (southeast Jiangxi Province, southern China)...location in a). (Color online.) banded aplo-pegmatite bodies. Columbite is present in the finegrained |  | | Journal (article/letter/editorial) | | statistical analysis applied to rare-element LCT-type pegmatite fields: an original approach to constrain faults–...author The emplacement of LCT-type (Lithium–Cesium–Tantalum) pegmatite fields and their relationships with...quantify both i) the spatial distribution of the pegmatite occurrences, including their grouping/ scattering...NNE trending faults family; with 50 % of the pegmatite occurrences located less than 500 m away from...out a lack of spatial link between each of the pegmatite subtypes and several potential granitic sources |  | | Journal (article/letter/editorial) | | crandallite series) in terrestrial sandstones, Nova Scotia, Canada—Georgia Pe-Piper and Lila M. Dolansky 1233...dating of the Musquodoboit batholith, southern Nova Scotia: evidence for a protracted magmatic-hydrothermal...40Ar/39Ar muscovite dating of the Brazil Lake pegmatite, Nova Scotia: A possible shear-zone related origin...origin for an LCT-type pegmatite—Daniel J. Kontak, Robert A. Creaser, Larry M. Heaman, and Douglas A....concentrations in the bedrock of southwestern Nova Scotia: A reconnaissance study—Krista D. Page and J |  | Melleton, J., Gloaguen, E., Frei, D., Novak, M., Breiter, K. (2012) HOW ARE THE EMPLACEMENT OF RARE-ELEMENT PEGMATITES, REGIONAL METAMORPHISM AND MAGMATISM INTERRELATED IN THE MOLDANUBIAN DOMAIN OF THE VARISCAN BOHEMIAN MASSIF, CZECH REPUBLIC?. The Canadian Mineralogist, 50 (6) 1751-1773 doi:10.3749/canmin.50.6.1751 | Journal (article/letter/editorial) | | rare-element pegmatites, belonging to different pegmatite fields, have been obtained by the LA–SF–ICP–MS...exhumation of high-pressure rocks. Keywords: LCT pegmatite, rare-element-enriched magma, columbite–tantalite...l’exhumation des roches de haute pression. Mots-clés: pegmatite LCT, magmatisme à éléments rares, datation sur...raw materials for their industries. Among these, lithium, beryllium, tantalum and niobium are key metals...ideally suited for U–Pb dating of rare-element pegmatite. They can easily accept U into their structure |  | Ballouard, Christophe, Elburg, Marlina A., Tappe, Sebastian, Reinke, Christian, Ueckermann, Henriette, Doggart, Shane (2020) Magmatic-hydrothermal evolution of rare metal pegmatites from the Mesoproterozoic Orange River pegmatite belt (Namaqualand, South Africa) Ore Geology Reviews, 116. 103252 doi:10.1016/j.oregeorev.2019.103252 | Journal (article/letter/editorial) | | pegmatites from the Mesoproterozoic Orange River pegmatite belt (Namaqualand, South Africa) Christophe Ballouard...pegmatites from the Mesoproterozoic Orange River pegmatite belt (Namaqualand, South Africa), Ore Geology...pegmatites from the Mesoproterozoic Orange River pegmatite belt (Namaqualand, South Africa) Authors: Christophe...geochronology Abstract The 450 km long Orange River pegmatite belt intruded the Namaqua Sector of the Mesoproterozoic...Kokerboomrand I pegmatite emplaced at ca. 985 Ma during the main stage of pegmatite emplacement in the |  | | Journal (article/letter/editorial) | | amphibolite facies metasedimentary rocks (Nova Scotia). Only in Maritime Canada Au mineralization is related to...(Pardee and Park, 1948). 2.2 New Brunswick, Nova Scotia, and Newfoundland The northern Appalachian belt...includes the occurrences of Poplar Mountain and Lake George (Yang et al., 2002; Chi et al., 2008). At...volcanic unit (Chi et al., 2008). Mineralization at Lake George has been mainly known for quartz-Sb and quartz-calcite-W-Mo...sedimentary rocks of the Meguma Supergroup (Nova Scotia) host numerous quartz-Au vein-type mineralization |  | | Thesis/Dissertation | | regular NYF-type pegmatites from the Namaqualand pegmatite belt, Northern Cape, South Africa by Minenhle...Johannesburg NOVEMBER 2020 Supervisor: Prof. M. A Elburg Co-supervisor: Dr. C Ballouard ACKNOWLEDGEMENTS I...never unnoticed and for that, I thank you. To my co-supervisor, Dr. Christophe Ballouard, thank you for...40-50 km wide Namaqualand pegmatite belt, synonymous with the Orange River pegmatite belt (ORPB), consists...consists of the Witkop, Koegab and Sidi-Barrani pegmatite-1 complex pegmatites which were emplaced at 985 |  | | Journal (article/letter/editorial) | | Keywords Jo ur Anatexis, rare metal, rare earth, pegmatite, Chinese Altai 1. Introduction Granitic pegmatites...et al., 2012a; London, 2018). In some cases, a pegmatite can be linked to its parental granite according...differentiation of granitic melts and the emplacement of pegmatite-forming melts are still unclear. Recent studies...proved that other than fractional crystallization, pegmatite formation can involve other mechanisms, such as...2017; Simmons and Falster, 2016). The study of pegmatite petrogenesis is crucial from a scientific prospective |
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