 | | 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) | | the Sosedka Pegmatite Malkhan, Russia 308 ROCKS & MINERALS Figure 1. Sosedka pegmatite quarry wall...in the lower center contained only crystals of quartz and feldspar. Jindřich Kynický photo. JINDŘICH...613 00 Czech Republic jindrak@email.cz ŠTĚPÁN KREJSEK Jindřichova 16 Brno 616 00 Czech Republic krejsek...at 08:01 13 August 2013 Figure 3. Tourmaline, quartz, cleavelandite, lepidolite, and laumontite; specimen...Russia; prepared by William Besse. he Malkhan pegmatite field, located about 250 kilometers southeast |  | 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) | | PEGMATITES, WITH EXAMPLES FROM THE MOLDANUBIAN ZONE, CZECH REPUBLIC Milan NOVÁK§, Radek ŠKODA and Petr GADAS Department...Masaryk University, Kotlářská 2, CZ–611 37 Brno, Czech Republic Lukáš KRMÍČEK Department of Geological Sciences...Brno, Czech Republic Petr Černý 4C Minerals, s.r.o. Korunní 29, CZ–120 00 Praha 2, Czech Republic Abstract...LCT) signatures from the Moldanubian Zone, Czech Republic, were examined to determine their origin. On...Li-bearing (lithium micas + elbaite) Kracovice pegmatite, with “amazonite”, samarskite and fergusonite |  | | Journal (article/letter/editorial) | | Tools and Workflows for Grassroots Li–Cs–Ta (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 Li–Cs–Ta (LCT) pegmatite mineralisation has predominantly focused on the...mineral exploration techniques applied to LCT pegmatite mineralisation have been published, covering (i) |  | | Book | | the same passion for minerals and the NE Bavarian region. The Oberpfalz was his home and my adopted country...constituents the three rock-forming minerals feldspar, quartz and mica, which in places develop mega-crystals...material extracted from pegmatites is feldspar, quartz and mica, and only a tiny fraction of pegmatites...Bohemian Massif, which is shared by Germany, the Czech Republic, Poland and Austria, has been focused on these...the principal techniques of deep geophysics, this region enables us to look at the origin of pegmatites |  | Sejkora, Jiří, Tvrdý, Jaromír, Čejka, Jiří, Vrtiška, Luboš, Dolníček, Zdeněk (2019) Bendadaite from Krásno near Horní Slavkov (Czech Republic), description and Raman spectroscopy. Bulletin Mineralogie Petrologie, 27 (1) 63-71 | Journal (article/letter/editorial) | | Bendadaite from Krásno near Horní Slavkov (Czech Republic), description and Raman spectroscopy Jiří Sejkora1)*...Bendadaite from Krásno near Horní Slavkov (Czech Republic), description and Raman spectroscopy. Bull...in the Krásno ore district near Horní Slavkov, Slavkovský les area (Czech Republic). Bendadaite occurs...aggregates up to 2 - 6 mm in size in cavities of quartz gangue. The aggregates are composed by elongate...Raman spectroscopy, Krásno near Horní Slavkov, Czech Republic Obdrženo 18. 3. 2019; přijato 14. 6. 2019 |  | | Journal (article/letter/editorial) | | in the beryl–columbite Šejby granitic pegmatite, Czech Republic: role of crystal-structural constraints...Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic Department of Mineralogy and Petrology, Comenius...cz Corresponding author The simply zoned Šejby pegmatite of beryl–columbite subtype is enclosed in migmatitized...Moldanubian Plutonic Complex, Bohemian Massif, Czech Republic. The columbite-group minerals (CGM) occur mostly...trends, Nb–Ta and Fe–Mn fractionation, granitic pegmatite Received: 22 February, 2018; accepted: 27 August |  | | Journal (article/letter/editorial) | | constitutes an important gangue mineral, and such occurrences have themselves been sources of fine specimens...about 9 cm across and occurred in groups and on a pegmatite matrix. Relative to this occurrence, Emerson (1895)...almandine-spessartine specimen from the Frank Steidler pegmatite, Valley Township, Chester County, Pennsylvania...near Southbury, New Haven County, and similar occurrences in adjacent Fairfield County, Connecticut. The...where they are found in pockets with Tessin-habit quartz and terminated, free-standing kyanite crystals |  | Négrel, 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...Colorado Mineral Belt and the 346 Butte Mineral district in Montana (Smith et al., 2014). Mineral deposits...e.g., in Italy, France (Massif Central) and Czech Republic 421 (part of the Bohemian Massif) exist....Sardinia; SM: SerboMacedonian ore district; SWE: South-west England ore district; VGS: Vosges; WA: Western Alps;...455 (No. 31). The Vosges (No. 38) and the Alpine region (especially the western part, Nos. 27, 28 456 |  | | Journal (article/letter/editorial) | | apatite, albite, muscovite, potassic feldspar, and quartz in the former, and bixbyite, topaz, sanidine, and...its broad distribution, only those spessartine occurrences furnishing good specimens or important gem rough...massive spessartine and relatively small crystals in quartz matrix occur at Jail Hill near Haddam, Connecticut...United States are from pegmatites of the Amelia district, Amelia County, Virginia (Sinkankas 1959, 1997)...also in Amelia County, and from the Herbb No. 2 pegmatite near Flat Rock, Powhatan County, Virginia (Dietrich |  | | Journal (article/letter/editorial) | | [Northeastern University] at 22:03 15 November 2014 SHABA DISTRICT, ZAIRE This attractive metatorbernite is typical...over the past decade from the mines of the Shaba region, Zaire, an area better known to collectors historically...more likely from the Musonoi mine in the same district. The specimen is 12.5 cm wide. Photo by Jeff Scovil...meta-uranospinite. The question of metatorbernite occurrences is an interesting one. Certainly one could list...well-known torbernite as well as metatorbernite occurrences. Torberniteis typically considered a secondary |  | | Book | | (Russia), P. Bruneton (Europe), J. Cisovsky (Slovak Republic), G. Érdi-Krausz (Hungary), H. J. Förster (Germany)...Hruby (Czech Republic), E. Kirchner (Austria), B. Kirchner (Austria), J. Komínek (Czech Republic), I. Bojkov...J. Royall (Spain), and A. Kuestermeyer (Slovak Republic). M. Cuney deserves my particular gratitude for...uranium districts, deposits, and noteworthy occurrences organized by countries. For the sake of comprehensiveness... . . . . . . . . . . . . . . . 2.1 West Balkan Region . . . . . . . . . . . . . . . . . . . . . . . |  | Čopjaková, R., Škoda, R., Vašinová Galiová, M., Novák, M. (2013) Distributions of Y + REE and Sc in tourmaline and their implications for the melt evolution; examples from NYF pegmatites of the Třebíč Pluton, Moldanubian Zone, Czech Republic. Journal of GEOsciences, 58 (2) 113-131 | Journal (article/letter/editorial) | | pegmatites of the Třebíč Pluton, Moldanubian Zone, Czech Republic Renata Čopjaková1*, Radek Škoda1, Michaela...Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic; copjakova@sci.muni.cz Department of Chemistry...Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic Central European Institute of Technology (CEITEC)...Masaryk University, Kamenice 5, 625 00 Brno, Czech Republic Corresponding author Tourmalines from NYF and...pegmatites of the Třebíč Pluton (Moldanubian Zone, Czech Republic) are generally characterized by variable and |  | Uher, P., Chudík, P., Bačík, P., Vaculovič, T., Galiová, M. (2010) Beryl composition and evolution trends: an example from granitic pegmatites of the beryl-columbite subtype, Western Carpathians, Slovakia. Journal of GEOsciences, 55 (1) 69-80 | Journal (article/letter/editorial) | | Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic Corresponding author Beryl is an uncommon but...between blocky K-feldspar zone and muscovite plus quartz core (beryl I) or locally in saccharoidal and cleavelandite...commonly occur in blocky pegmatite units, in close association with quartz core, microcline and muscovite...heliodore and goshenite varieties) occur also in pegmatite cavities or in late saccharoidal albite units...columbite group (e.g., Černý 1989, 2002). Such pegmatite populations are usually closely connected with |  | | Journal (article/letter/editorial) | | PEGMATITE Erste Österreichische Arbeitstagung Montanuniversität Leoben 11. April 2014 Zusammenfassung...Melcher MITT.ÖSTERR.MINER.GES. 160 (2014) PEGMATITE - ERSTE ÖSTERREICHISCHE ARBEITSTAGUNG von Johann...Montanuniversität Leoben die 1. Arbeitstagung zum Thema Pegmatite statt. Die Veranstaltung wurde vom Department...Geologie und Lagerstättenlehre) organisiert. Pegmatite sind sowohl aus wirtschaftlichen als auch wissenschaftlichen...hochgradiger Metamorphose gegenüber. Gerade die Pegmatite in den Ostalpen stellen ein Musterbeispiel für |  | | Journal (article/letter/editorial) | | ca. 1000 Ma. Keywords: granitic pegmatite, LCT pegmatite, NYF pegmatite, secular trends, supercontinent...et al. 1979, Tkachev 2011). Our tabulation of pegmatite ages builds on that of Tkachev (2011), but we...to the comprehensive book by London (2008). Pegmatite Geochronometers Although granitic pegmatites are...accurate ages have proven elusive for many pegmatite occurrences, especially those in the LCT family. The...(1907) determined U-Pb ages for uraninite from two pegmatite districts in Connecticut. Over the past 40 years |  | | 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 Karkonosze–Izera...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 Karkonosze–Izera Massif are represented...the Izera–Kowary Unit. All these deposits and occurrences were subjected to the pre-Variscan regional metamorphism...the Karkonosze–Izera Massif ore deposits and occurrences are related to the Karkonosze Granite intrusion |  | | Journal (article/letter/editorial) | | Pagmatites: the State of the Art”, Porto, May 2007 Quartz chemistry in polygeneration Sveconorwegian pegmatites...Göttingen, Germany Abstract: Element concentrations in quartz, feldspar and biotite of Sveconorwegian (1.13–0...determine chemical variations between different pegmatite types and within individual pegmatitic bodies...pegmatites of Froland is presented basing on the pegmatite structure, bulk composition and mineral chemistry...pegmatites (< 0.93 Ga) are the most evolved. Pegmatitic quartz has an astonishingly consistent trace element signature |  | | Report (issue) | | Ministry of Petroleum, Energy and Mines, Islamic Republic of Mauritania Second Projet de Renforcement Institutionnel...Alkaline Rocks, and Carbonatites in the Islamic Republic of Mauritania: Phase V, Deliverable 87 By Cliff...alkaline rocks, and carbonatites in the Islamic Republic of Mauritania (phase V, deliverable 87), chap...polarization (geophysical survey) IRM Islamic Republic of Mauritania JICA Japan International Cooperation...Alkaline Rocks, and Carbonatites in the Islamic Republic of Mauritania Summary Review of PRISM-I documents | | | Report (issue) | | Ministry of Petroleum, Energy and Mines, Islamic Republic of Mauritania Second Projet de Renforcement Institutionnel...Alkaline Rocks, and Carbonatites in the Islamic Republic of Mauritania: Phase V, Deliverable 87 By Cliff...alkaline rocks, and carbonatites in the Islamic Republic of Mauritania (phase V, deliverable 87), chap...polarization (geophysical survey) IRM Islamic Republic of Mauritania JICA Japan International Cooperation...Alkaline Rocks, and Carbonatites in the Islamic Republic of Mauritania Summary Review of PRISM-I documents |  | | Conference Proceedings (Volume) | | Africa): a possible source for the Dominion Reef quartz pebble conglomerate uranium mineralisation Simon...Neoproterozoic rocks in the Lufilian belt, Domes region, Zambia .........................................through polycyclic orogeny: the example of the Litsa district, Russia Anne-Sylvie André-Mayer, Michel Cuney...mantle-crustal ore-forming systems of the Pechenga ore district (Fennoscandian shield) ........................mineralization of Manono-Kitotolo (Katanga, Democratic Republic of Congo): current state of knowledge . . .. |  | | Journal (article/letter/editorial) | | granitic pegmatite. The Vézná pegmatite was certainly vastly different from the pegmatite occurrences that...proximity of the Tanco pegmatite, exploited for Ta and Cs at the time, and other pegmatite bodies of the Winnipeg...Winnipeg River pegmatite field. He quickly established himself as an authority on the mineralogy, geochemistry...granitic pegmatites, the distribution of granite pegmatite systems in time and space, and the crystal chemistry...aspects of pegmatite research. Throughout his career, Petr was regularly consulted by pegmatite enthusiasts |  | | Journal (article/letter/editorial) | | Geowissenschaften, Technische Universit/it Berlin, Federal Republic of Germany With 6 Figures Received September 5...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 |  | | Journal (article/letter/editorial) | | magmatic and hydrothermal fluids involved in pegmatite formation. Optical and back-scattered electron...Ca, and F during late crystallization of the pegmatite. The composition was reset to a Li-rich schorl...hydrothermale accompagnant la cristallisation de la pegmatite. Les images optiques et les images résultant de...cours des stades tardifs de cristallisation de la pegmatite. La composition a ensuite été modifiée pour cristalliser...environment noted for evolving fluids. These occurrences provide an opportunity to investigate the composition |  | | Journal (article/letter/editorial) | | THE ELBAITE SUBTYPE OF RARE-ELEMENT GRANITIC PEGMATITE T. SCOTT ERCIT§ Canadian Museum of Nature, P.O...the elbaite subtype of rare-element granitic pegmatite has been encountered within the O’Grady batholith...granite and felsitic satellite dykes. On the whole, pegmatite bodies show a mildly NYF-type geochemical and...signature (allanite- and magnetite-bearing), but in the region of the pegmatitic granite, they grade toward a...(elbaite-bearing). The melts parental to the pegmatite bodies were more voluminous, more alkaline, less |
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