| | Journal (article/letter/editorial) | PEGMATITE Erste Ăsterreichische Arbeitstagung MontanuniversitĂ€t Leoben 11. April 2014 Zusammenfassung...Melcher MITT.ĂSTERR.MINER.GES. 160 (2014) PEGMATITE - ERSTE ĂSTERREICHISCHE ARBEITSTAGUNG von Johann...MontanuniversitĂ€t Leoben, Peter-Tunner-StraĂe 5, 8700 Leoben, Austria Am 11. April 2014 fand an der MontanuniversitĂ€t...MontanuniversitĂ€t Leoben die 1. Arbeitstagung zum Thema Pegmatite statt. Die Veranstaltung wurde vom Department Angewandte...Geologie und LagerstĂ€ttenlehre) organisiert. Pegmatite sind sowohl aus wirtschaftlichen als auch wissenschaftlichen | | | Journal (article/letter/editorial) | iino Petrology © Springer-Verlag 1995 Printed in Austria Rb-Sr Isotope systematics of muscovite from Pan-African...carried out on early-formed muscovite from three pegmatite fields of the late Proterozoic to early Phanerozoic...ages obtained are highly discordant for each pegmatite field. Using Best Isochron Diagrams, isochron...samples yielded geologically realistic ages of pegmatite formation: around 670 Ma for the Bayuda Desert...loss of 87Sr* from the micas is variable in each pegmatite field. In none of the three cases can this unsystematic | | NĂ©grel, Philippe, Ladenberger, Anna, Reimann, Clemens, Birke, Manfred, Demetriades, Alecos, Sadeghi, Martiya (2019) GEMAS: Geochemical background and mineral potential of emerging tech-critical elements in Europe revealed from low-sampling density geochemical mapping. Applied Geochemistry, 111. 104425 doi:10.1016/j.apgeochem.2019.104425 | Journal (article/letter/editorial) | environmental impacts. Based on 85 information about occurrences, resources and reserves, extraction, processing...symmetrical boxplot (log-scale). Compared to the upper continental 257 crust (UCC) estimated Sb abundance...scattergram and boxplot display the existence of upper and lower outliers in 320 the W distribution....comparison of the GEMAS Ap soil W median to the upper continental 327 crust (UCC) estimated abundance...Colorado Mineral Belt and the 346 Butte Mineral district in Montana (Smith et al., 2014). Mineral deposits | | Knoll, Tanja, Schuster, Ralf, Huet, Benjamin, Mali, Heinrich, Onuk, Peter, Horschinegg, Monika, Ertl, Andreas, Giester, Gerald (2018) Spodumene Pegmatites and Related Leucogranites from the AustroAlpine Unit (Eastern Alps, Central Europe): Field Relations, Petrography, Geochemistry, and Geochronology. The Canadian Mineralogist, 56 (4) 489-528 doi:10.3749/canmin.1700092 | Journal (article/letter/editorial) | HUET Geological Survey of Austria, Neulinggasse 38, 1030 Vienna, Austria HEINRICH MALI AND PETER...MontanuniversitaÌt Leoben, Peter-TunnerstraĂe 5, 8700 Leoben, Austria MONIKA HORSCHINEGG Department of Lithospheric...University of Vienna, AlthanstraĂe 14, 1090 Vienna, Austria ANDREAS ERTL AND GERALD GIESTER Institut fuÌr...Vienna, Austria ABSTRACT In the Eastern Alps (Central Europe), about two dozen spodumene pegmatite bodies...and other accessory phases such as apatite, cassiterite, or Nb-Ta phases are exceptional. Mineral compositions | | | Journal (article/letter/editorial) | University of Graz, UniversitĂ€tsplatz 2, 8010 Graz, Austria Present address: Geoscience Center, Georg-August-University...5020 Salzburg, Austria 4 Department of Hard Rock Geology, Geological Survey of Austria, Neulinggasse 38...Vienna, Austria 5 NAWI Graz Geocenter, University of Graz, HeinrichstraĂe 26, 8010 Graz, Austria e-mail:...âŒ35 km subsequently followed by the ITD to the upper/middle crustal level (âŒ15 km depth). The PâT evolution...Mineralogy and Petrography, Innrain 52, 6020 Innsbruck, Austria e-mail: max.albertus@student.uibk.ac.at 1 The | | | Journal (article/letter/editorial) | the Brunswick pegmatite field and the Central Maine Synclinorium of the Oxford pegmatite field, in Maine...characteristics (e.g., Topsham area of the Brunswick pegmatite field). Significant chemical-compositional and...Brunswick and Oxford pegmatite fields. Columbite-group minerals from the Brunswick pegmatite field mainly consist...The structural state of CGM from the Brunswick pegmatite field ranges from highly cation-disordered to...predominantly highly ordered CGM in the Oxford pegmatite field. Limited concurrent fractionation of Mn | | | Journal (article/letter/editorial) | Pilbara pegmatite province in the Archean North Pilbara Craton contains at least 120 pegmatite deposits...deposits in over 27 pegmatite groups and fields, including the giant Mount Cassiterite tantalum orebody in...in the Wodgina pegmatite district. Generally, rare metal pegmatites in the province are hosted by mafic-ultramafic...the major tantalum deposits (Wodgina, Mount Cassiterite, Tabba Tabba, Strelley, Pilgangoora) are along...that have given rise to different petrogenetic pegmatite suites can be identified in processed radiometric | | Okrusch, Martin, Hock, Rainer, SchĂŒssler, Ulrich, Brummer, Amanda, Baier, Markus, Theisinger, Hans (2003) Intergrown niobian rutile phases with Sc- and W-rich ferrocolumbite: An electron-microprobe and Rietveld study. American Mineralogist, 88 (7) 986-995 doi:10.2138/am-2003-0706 | Journal (article/letter/editorial) | D-09232, Hartmannsdorf, Germany ABSTRACT A pegmatite from Diethensdorf, Saxonian Granulite Massif,...by Ramdohr (1955) from the HĂ„verstad pegmatite, Iveland District, Norway, and by CÌernyÌ et al. (1964)...(1989) from the Weinebene spodumene pegmatite, Carinthia, Austria. Electron microprobe analyses on exsolved...pegmatitic granites or pegmatites of different occurrences were reported by CÌernyÌ et al. (1964, 1981,...and CÌernyÌ and Chapman (2001). In a granite pegmatite at Diethensdorf in the Saxonian Granulite Massif | | | Journal (article/letter/editorial) | Tools and Workflows for Grassroots LiâCsâTa (LCT) Pegmatite Exploration Benedikt M. Steiner Camborne School... This paper reviews the main controls of LCT pegmatite genesis relevant to mineral exploration programs...as industrial mineral deposits. Keywords: LCT; pegmatite; lithium; exploration; targeting 1. Introduction...decades research into rare metal LiâCsâTa (LCT) pegmatite mineralisation has predominantly focused on the...mineral exploration techniques applied to LCT pegmatite mineralisation have been published, covering (i) | | | Journal (article/letter/editorial) | statistical analysis applied to rare-element LCT-type pegmatite fields: an original approach to constrain faultsâ...emplacement of LCT-type (LithiumâCesiumâTantalum) pegmatite fields and their relationships with host rocks...both i) the spatial distribution of the pegmatite occurrences, including their grouping/ scattering and...trending faults family; with 50 % of the pegmatite occurrences located less than 500 m away from one of...out a lack of spatial link between each of the pegmatite subtypes and several potential granitic sources | | | Journal (article/letter/editorial) | rare-metal potential is linkcd to Proterozoic pegmatite fields exccpt for the Jurassic tin-bearing ring...terms of economic rare-metal mineralization, occurrences of mineralized pegmatitic phases of the Nigerian...according to the lithology of their host-rock. Pegmatite occurrences from southwest Nigeria. which are emplaced...rare-mctal hearing pegmatites and proximal granite occurrences was never obscrved. I t is suggested that reactivation...primary deposits. The typical pegmatoid rare-metal occurrences of the shield areas in western, central and southern | | Dâyachkov, Boris A., Bissatova, Ainel Y., Mizernaya, Marina A., Khromykh, Sergey V., Oitseva, Tatiana A., Kuzmina, Oxana N., Zimanovskaya, Natalya A., Aitbayeva, Saltanat S. (2021) Mineralogical Tracers of Gold and Rare-Metal Mineralization in Eastern Kazakhstan. Minerals, 11 (3) 253 doi:10.3390/min11030253 | Journal (article/letter/editorial) | trevorite, gersdorffite) phases and accessory cassiterite, wolframite, scheelite, and microlite. The ores...gravity and flotation methods. Multistage raremetal pegmatite mineralization can be predicted from the presence...such elements as Ta, Nb, Be, Li, Cs, and Sn. Pegmatite veins bear diverse Ta minerals (columbite, tantalite-columbite...rare metals late during the evolution of the pegmatite magmatic system. The discovered mineralogical...Numbers 1 to 11 are gold (1â9) and pegmatite (10,11) deposits and occurrences (see legend). The Great Altai | | | Journal (issue) | SEPTEMBERâOCTOBER 2019 Articles The Golconda District, Minas Gerais, Brazil ..........................field-collected at many localities in the U.S., Germany, Austria, Switzerland, France, Italy, Great Britain, Hungary...historian, was born in Bad Vöslau, Niederösterreich, Austria, on December 12, 1944. He attended the Technical...Mineralogical Record were a major article on the Oberdorf, Austria, strontianite locality (with Tom Moore) in the...Salzburg (âDie bergmĂ€nnische Schatz- und Wunderkammer im Bergbau- und Gotikmuseum Leogangâ). Peter Huber passed | | | Journal (article/letter/editorial) | Preeambrian rare-metal bearing pegmatites of Bastar District, M.P., India V. J. S. Lamba * and P. S. Agarkar...pegmatites intruded into metabasics. The primary cassiterite occurs as discrete crystals, disseminations and...columbite-tantalite occurs in solid solution with cassiterite, as well as separately. The intensity of Sn-Nb-Ta...shield, places the tin-ore association of Bastar district, Madhya Pradesh of the Indian sub-contintent,...and can be assumed to be a part of world-wide occurrences of Precambrian tin mineralisation, predominantly | | Novak, M., Skoda, R., Gadas, P., Krmicek, L., Cerny, P. (2012) Contrasting Origins of the Mixed (NYF + LCT) Signature in Granitic Pegmatites, with Examples from the Moldanubian Zone, Czech Republic. The Canadian Mineralogist, 50 (4) 1077-1094 doi:10.3749/canmin.50.4.1077 | Journal (article/letter/editorial) | Li-bearing (lithium micas + elbaite) Kracovice pegmatite, with âamazoniteâ, samarskite and fergusonite...is the product of the strong fractionation of pegmatite-forming melt derived from the orogenic I-type...graniteâ pegmatite system of the TĆebĂÄ pluton and the mainly Li-bearing Kracovice pegmatite are typical...petrogenetic family. The contaminated elbaite-subtype pegmatite BliĆŸnĂĄ I, ÄeskĂœ Krumlov Unit, with lithium tourmalines...contamination with Ca, Mg and REE of an evolved (LCT) pegmatite-forming melt by distal carbonatite-like marbles | | | Journal (article/letter/editorial) | columbiteâtantalite in the berylâcolumbite Ć ejby granitic pegmatite, Czech Republic: role of crystal-structural constraints...cz Corresponding author The simply zoned Ć ejby pegmatite of berylâcolumbite subtype is enclosed in migmatitized...trends, NbâTa and FeâMn fractionation, granitic pegmatite Received: 22 February, 2018; accepted: 27 August...is long overdue. Simply zoned berylâcolumbite pegmatite from Ć ejby near NovĂ© Hrady, southern Bohemia,...Ć ejby berylâcolumbite-subtype pegmatite. 2. Regional geology and pegmatite characterization Leucogranites | | | Journal (article/letter/editorial) | belt. Another characteristic. lithiumbearing pegmatite procince is lound in the basement rocks o f Zimbabwe...south Africa Beryl Cassiterite 1. Introduction Although the major granite pegmatite regions of Africa...demand. The present study reviews the principal pegmatite regions in Africa, where extensive mining of minerals...paid t o the mineralogy and geochemistry of the pegmatite deposits, and in particular t o tin and tantalum...the senior author has investigated numerous occurrences in the course of some thirty years. Mineralized | | | Book | H H O H Ctf c/3 O H DEEP LEVEL aplite, pegmatite foliated, gneissic, migmatitic granite Ï pc...overlap and cannot be separated (e.g. certain cassiterite disseminations in endocontacts of granite cupolas)...70-100% contribution from melts derived from the upper mantle above subduction zones" (Brown, 1979). To...leucocratic equivalents, polymineralic (e.g. aplite, pegmatite) or monomineralic (vein quartz); and (3) lamprophyres...by stoping or cauldron subsidence into a passive upper crust comprising (1) marine "eugeoclinal" volcanic-sedimentary | | | Book | synthe- including gems, the and on natural occurrences, collectorâs specimens, John scholarly monograph...Poisons and Venomous Bites, Pregnancy, 127 Austria, Vision and Diseases of the Epilepsy, 124 Russia...Treatment for Cabochons, Australia, 363 331 Austria, Beryl Carvings, 332 Faceted Gems, and Gems...Dr. K. CA; Milton Switzerland; Hans Stern, Austria; the United States and its several branches and...library at Res- CA; Victoria and Albert Mu- Austria; David P. Wilber, Fallbrook, AZ; and Miriam and | | | Book | shared by Germany, the Czech Republic, Poland and Austria, has been focused on these industrial minerals...quartz at the core of the pegmatite is concerned. In comparison with other pegmatite deposits in the area...area, however, the Hagendorf-Pleystein Pegmatite Province (HPPP) is not only the largest concentration of...everything has been told about this prominent pegmatite. Professor Strunz was a generous and open-minded...mineralogy, four new occurrences (TrutzhofmĂŒhle Aploid, Pleystein New Aplite, Miesbrunn Pegmatite Aplites Swarm | | | Journal (article/letter/editorial) | Mineralogy PNology © Springer-Verlag 1997 Printed in Austria Petrogenesis of rare-element pegmatites in the...Zusammenfassung Petrogenese von Seltenelementpegmatiten im Olary Block, Siidaustralien, Teil 1. Mineralogie...und chemische Entwicklung Seltenelementpegmatite im Proterozoischen Otary Block sind vom Beryl-ColumbitPhosphat...peraluminen, S-Typ Graniten in Verbindung. Die Pegmatite sind zoniert und besitzen einen inneren Quarzkern...fluid inclusion history and its implications for pegmatite emplacement and subsolidus history is given in | | | Journal (article/letter/editorial) | Variscan and pre-Variscan ore deposits Ore minerals occurrences Ore-forming processes a b s t r a c t The KarkonoszeâIzera...Massif, in which ore deposits and ore minerals occurrences are related to the successive episodes of the...processes. The oldest ore deposits and ore minerals occurrences of the KarkonoszeâIzera Massif are represented...the IzeraâKowary Unit. All these deposits and occurrences were subjected to the pre-Variscan regional metamorphism...the KarkonoszeâIzera Massif ore deposits and occurrences are related to the Karkonosze Granite intrusion | | | Journal (article/letter/editorial) | include the Big Whopper and Big Mack petalite pegmatite systems which potentially represent the world's...Breaks Die wichtigsten Seltene-Element-Pegmatite von Ontario liegen im Gebiet des Separation Lake. Sie umfassen...zweitgroĂĂ»te LithiumlagerstaĂtte dieses Typs. Die Pegmatite treten in zwei Gangsystemen in der NaĂhe des Separation...BeryllPegmatite, sowie komplexe Pegmatite des Petalit-Subtyps und, untergeordnet, Pegmatite Ă hnlichkeiten mit dem...columbite-tantalite group minerals from the Separation Rapids pegmatite group in N.W. Ontario ± a suite of beryl-type | | | Book | monzonlte, d i o r i t e O 3 DEEP LEVEL aplite, pegmatite foliated, gneissic, migmatitic granite Pi Q...overlap and cannot be separated (e.g. certain cassiterite disseminations in endocontacts of granite cupolas)...70-100% contribution from melts derived from the upper mantle above subduction zones" (Brown, 1979). To...leucocratic equivalents, polymineralic (e.g. aplite, pegmatite) or monomineralic (vein quartz); and (3) lamprophyres...by stoping or cauldron subsidence into a passive upper crust comprising (1) marine "eugeoclinal" volcanic-sedimentary | | | Journal (article/letter/editorial) | an(1 Petrology © Springer-Verlag 1994 Printed in Austria Proterozoic Anorogenic Magmatism in the Central...include large deposits of Sn, as well as small occurrences of F, Zr, REE, Y, and W. The granites are generally...anorogenen Granite im 6stlichen (1.88 Mia, U Pb; 1.8 1.6 Mia, Rb-Sr und K-Ar) und im zentralen Block (1...Rb Sr) ~ilter als im westlichen Block (1.55 Mia, U-Pb). Die Ncbengcsteine sind im 6stlichen Block archaiischcn...archaiischcn Alters, wfihrend sie im westlichen Block im untercn Protcrozoikum (Transamazonas Event) gebildet |
|