 | Mall�, A., Fontan, F., Melgarejo, J. C., Mata, J. M. (1995) The Albera zoned pegmatite field, Eastern Pyrenees, France. Mineralogy and Petrology, 55 (1) 103-116 doi:10.1007/bf01162582 | Journal (article/letter/editorial) | | in Austria The Albera zoned pegmatite field, Eastern Pyrenees, France A. Mall61, F. Fontan 2, J.-C....Min6ralogie, Universit6 Paul Sabatier, Toulouse, France 3 Departament d'Enginyeria Minera i Recursos Naturals...Summary Four types of pegmatites comprise the zoned pegmatite feld in the eastern sector of the Albera Massif...graphite in the late pegmatite units and in the host-rock. The individual pegmatite types are distributed... Ta, Na, Li, P, Be and REE. According to the pegmatite distribution and their fractionation trends, we |  | | Journal (article/letter/editorial) | | Austria Nb-Ta-Minerals from the Cap de Creus pegmatite field, eastern Pyrenees: distribution and geochemical...mineralogy facilitate distinction of four main pegmatite types at the eastern end of the Pyrenees. Three...trend, with similar enrichment toward the late pegmatite units; a single-crystal trend, with zoning related...expected for a beryl-columbite pegmatite type. In a single pegmatite, the evolution depends on the simultaneous...group end members and re-equilibria with late pegmatite fluids. Zusammenfassung N b - Ta-Minerale aus |  | Van Lichtervelde, Marieke, Grand’Homme, Alexis, de Saint-Blanquat, Michel, Olivier, Philippe, Gerdes, Axel, Paquette, Jean-Louis, Melgarejo, Joan Carles, Druguet, Elena, Alfonso, Pura (2017) U-Pb geochronology on zircon and columbite-group minerals of the Cap de Creus pegmatites, NE Spain. Mineralogy and Petrology, 111 (1) 1-21 doi:10.1007/s00710-016-0455-1 | Journal (article/letter/editorial) | | the different pegmatitic pulses. In a type III pegmatite where zircon and CGM are co-genetically associated...Toulouse, France 2 ISTerre, Université Grenoble, 1381 Rue de la Piscine, BP 53, 38041 Grenoble, France Introduction...Pascal, CNRS, IRD, BP 10448, 63000 Clermont-Ferrand, France 5 Departament de Cristal·lografia, Mineralogia...as Li M. Van Lichtervelde et al. and the high field strength elements Nb-Ta and Sn (Linnen et al. 2012)...(e.g., Aguilar et al. 2014). The peraluminous pegmatite swarm that crops out in the Cap de Creus area |  | 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 “amazonite”, samarskite and fergusonite...is the product of the strong fractionation of pegmatite-forming melt derived from the orogenic I-type...granite– pegmatite system of the Třebíč pluton and the mainly Li-bearing Kracovice pegmatite are typical...petrogenetic family. The contaminated elbaite-subtype pegmatite Bližná I, Český Krumlov Unit, with lithium tourmalines...contamination with Ca, Mg and REE of an evolved (LCT) pegmatite-forming melt by distal carbonatite-like marbles |  | | Journal (issue) | | deposits, and consequently with such severely limited field collecting opportunities, should foster a hot-bed...locations and contemporary deposits developed by field collectors. Size is not the main focus, as quality...Roberts, and subsequently discovered several new pegmatite minerals in the Black Hills of South Dakota; Bill...Almandine-spessartine on albite, 4.9 mm, Poaia pegmatite, Minas Gerais, Brazil. Beth Van Allen photo. ...(tiny pink spheres), 5-mm view, from the Tip Top pegmatite, Fourmile, Custer County, South Dakota. Thomas |  | 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) | | Université d'Orléans, ISTO, UMR 7327, F–45071 Orléans, France Dirk FREI¶ Stellenbosch University, Department...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...situ par la méthode LA–SF–ICP–MS ont été réalisées sur des grains de columbite et de tantalite issus des...haute pression. Mots-clés: pegmatite LCT, magmatisme à éléments rares, datation sur columbite–tantalite, technique |  | | Journal (article/letter/editorial) | | jahnsite–whiteite groups from the Mount Wills pegmatite field, Victoria, Australia WILLIAM D. BIRCH* Geosciences...Knocker dykes are the most fractionated in the pegmatite field derived from late-stage melts of the Late...jahnsite–whiteite; Fe–Mn phosphates; granite pegmatite; Mount Wills; Victoria. 40 km north of Omeo,...operations (Fig. S1 and Fig. 2). However, the pegmatite dyke field extends for nearly 60 km, between Glen...as more than 200 small leases over individual pegmatite dykes were taken up (Cochrane & Bowen, 1971). |  | | Journal (article/letter/editorial) | | faut réaliser que le F1– ne peut se trouver que sur le site O(1). La substitution du F1– à ce site serait...les charges aux sites X et Y exercent un contrôle sur le taux d’occupation du site W par le fluor. Un désordre...pétrologiques imposent une influence environnementale locale sur les concentrations de F possibles. La présence de...____________________ Alkali group Schorl Fluor-schorl “Oxy-schorl”* Dravite Fluor-dravite “Oxy-dravite”*...alkali-group tourmalines: fluor-dravite, fluor-schorl, “fluor-elbaite” and fluor-buergerite (Table 1) |  | | Journal (article/letter/editorial) | | Indicator of Pegmatite Evolution: The Case Study of Pegmatites from the Oxford Pegmatite Field (Maine, USA)...Indicator of Pegmatite Evolution: The Case Study of Pegmatites from the Oxford Pegmatite Field (Maine, USA)...Oxford County pegmatites and the Palermo No. 1 pegmatite, record significant compositional variations according...slopes for those associated with the intermediate pegmatite, and negative or flat slopes in garnets from the...host certain chemical elements, such as biotite, schorl, plagioclase, apatite, Fe-Mn phosphates, Nb-Ta |  | | Journal (article/letter/editorial) | | inclusions were studied from two groups of pegmatite minerals. One (schorl, garnet, quartz, beryl) represents...of crystallization and the second (cassiterite, schorl-dravite, elbaite) formed in late-stage, mineralized...minerals and primary inclusions in late-stage elbaite, schorl-dravite and cassiterite. Type 2 fluid is carbonic...solvus conditions (about 325°C), well below the pegmatite solidus. Type 3 fluid is aqueous, highly saline...Type 1 fluids were exsolved at a late stage of pegmatite consolidation, forming secondary inclusions in |  | | Journal (article/letter/editorial) | | CHEMICAL EVOLUTION OF THE BLACK MOUNTAIN GRANITIC PEGMATITE, MAINE CATHLEEN D. BROWN§ AND MICHAEL A. WISE...crystallization history of the Black Mountain granitic pegmatite, near Rumford, western Maine, is evaluated using...compositions of rock-forming and accessory minerals. The pegmatite is strongly zoned; the zonation developed from...consolidation of a rare-element-enriched melt. Field and trace-element data show that the wall zone crystallized...Cs and F occurred during the latest stage of pegmatite crystallization prior to core development. Late |  | | Report (issue) | | microcline from Pakistan's world famous Gilgit area. The schorl is 4. 7 cm high. Photo Jeff Scovil; private collection...name is attributed to Erker (1595) who named schorl (schorl). Then, mineral names were based on each individ...species. Modern historians are uncertain as to what schorl actually was in Erker's time, except that the intervening...of mineralogy reinforce the notion that Erker's schorl is the modern, accepted species of the same name...had described schorl sufficiently for a modern, recognizable definition. The word schorl, in its earliest |  | | Journal (article/letter/editorial) | | magmatic and hydrothermal fluids involved in pegmatite formation. Optical and back-scattered electron...generation varies from Fe-rich elbaite to Li-rich schorl, and the third generation is a yellowish-green...indistinguishable from the second-generation Li-rich schorl fibers. Textural and compositional discontinuities...crystallization of the pegmatite. The composition was reset to a Li-rich schorl during late-phase fracturing...hydrothermale accompagnant la cristallisation de la pegmatite. Les images optiques et les images résultant de |  | Hulsbosch, Niels, Boiron, Marie-Christine, Thomas, Rainer, Van Daele, Johanna, Dewaele, Stijn, Muchez, Philippe (2019) Evaluation of the petrogenetic significance of melt inclusions in pegmatitic schorl-dravite from graphic tourmaline-quartz assemblages: Application of LA-ICP-QMS analyses and volume ratio calculations. Geochimica et Cosmochimica Acta, 244. 308-335 doi:10.1016/j.gca.2018.10.023 | Journal (article/letter/editorial) | | petrogenetic significance of melt inclusions in pegmatitic schorl-dravite from graphic tourmaline-quartz assemblages:...petrogenetic significance of melt inclusions in pegmatitic schorl-dravite from graphic tourmalinequartz assemblages:...petrogenetic significance of melt inclusions in pegmatitic schorl-dravite from graphic tourmaline-quartz assemblages:...Lorraine, CNRS, CREGU, GeoRessources, 54000 Nancy France Deutsches GeoForschungsZentrum Potsdam, Section...tourmaline, melt inclusions, graphic intergrowth, pegmatite, heterogeneous trapping, residual melt, differentiation |  | Ercit, T. Scott, Tait, Kim T., Cooper, Mark A., Abdu, Yassir, Ball, N. A., Anderson, A. J., Černý, Petr, Hawthorne, Frank C., Galliski, Miguel (2010) Manitobaite, Na16Mn2+25Al8(PO4)30, a new phosphate mineral species from Cross Lake, Manitoba, Canada. The Canadian Mineralogist, 48 (6) 1455-1463 doi:10.3749/canmin.48.5.1455 | Journal (article/letter/editorial) | | phosphate pod in the intermediate and core zones of pegmatite #22 on the southeastern shoreline of a small unnamed...triplite, as well as quartz, K-feldspar, muscovite, schorl, beryl, spessartine, gahnite and (Nb,Ta,Sn) oxides...phosphate, alluaudite superstructure, granitic pegmatite, electron-microprobe analysis, Mössbauer spectroscopy...zones intermédiaire et du noyau de la pegmatite #22, exposée sur la rive sud–est d’une petite île sans...ainsi que quartz, feldspath potassique, muscovite, schorl, béryl, spessartine, gahnite et oxydes de (Nb,Ta |  | Roda-Robles, E., Simmons, W., Pesquera, A., Gil-Crespo, P. P., Nizamoff, J., Torres-Ruiz, J. (2015) Tourmaline as a petrogenetic monitor of the origin and evolution of the Berry-Havey pegmatite (Maine, U.S.A.) American Mineralogist, 100 (1) 95-109 doi:10.2138/am-2015-4829 | Journal (article/letter/editorial) | | of the origin and evolution of the Berry-Havey pegmatite (Maine, U.S.A.) Encarnación Roda-Robles1,*, William...18002 Spain Abstract The Berry-Havey pegmatite (Oxford pegmatite field, Androscoggin County, Maine, U.S.A...amphibolite, with minor biotite or diopside. The pegmatite has a complex internal structure, with four texturally...apatite. Tourmaline is present in all zones of the pegmatite, showing different textures: black anhedral crystals...pockets. A complete chemical evolution from Mg-rich schorl in the wall zone to elbaite with an important deprotonation |  | Falster, Alexander U., Simmons, William B., Webber, Karen L., Dallaire, Donald A., Nizamoff, James W., Sprague, Raymond A. (2019) The Emmons Pegmatite, Greenwood, Oxford County, Maine. Rocks & Minerals, 94 (6) 498-519 doi:10.1080/00357529.2019.1641021 | Journal (article/letter/editorial) | | Emmons pegmatite in 1996. THE EMMONS PEGMATITE Greenwood Oxford County, Maine The Emmons pegmatite, noted...many phosphates, is Maine’s most species-rich pegmatite. T ALEXANDER U. FALSTER WILLIAM B. SIMMONS KAREN...Emmons pegmatite. For the past five years Alexander Falster has visited the Emmons pegmatite almost weekly...weekly. Laboratory studies of his field collection were supplemented by examination of Emmons specimens...Mongort Minerals and those of three prominent Maine field collectors: Gene T. Bearss, David M. Seaman, and |  | Guastoni, A., Pennacchioni, G., Pozzi, G., Fioretti, A.M., Walter, J.M. (2014) TERTIARY PEGMATITE DIKES OF THE CENTRAL ALPS. The Canadian Mineralogist, 52 (2) 191-219 doi:10.3749/canmin.52.2.191 | Journal (article/letter/editorial) | | (2014) DOI : 10.3749/canmin.52.2.191 TERTIARY PEGMATITE DIKES OF THE CENTRAL ALPS A. GUASTONI§ Museum...Göttingen, Germany Abstract The largest field of Alpine Oligocene pegmatite dikes is in the Central Alps within...east) to the Ossola valley (to the west). The pegmatite field geographically overlaps (1) the highest temperature...milarite), garnet (almandine-spessartine), tourmaline (schorl to rare elbaite), bismuthinite, magnetite, and...an earlier generation of boudinaged and folded pegmatite dikes. The undeformed pegmatites from this area |  | Ertl, Andreas, Tillmanns, Ekkehart, Ntaflos, Theodoros, Francis, Carl, Giester, Gerald, Körner, Wilfried, Hughes, John M., Lengauer, Christian, Prem, Markus (2008) Tetrahedrally coordinated boron in Al-rich tourmaline and its relationship to the pressure-temperature conditions of formation. European Journal of Mineralogy, 20 (5) 881-888 doi:10.1127/0935-1221/2008/0020-1869 | Journal (article/letter/editorial) | | Abstract: An Al-rich tourmaline from the Sahatany Pegmatite Field at Manjaka, Sahatany Valley, Madagascar, was...solution between schorl and elbaite, but would in solid solutions between schorl, ‘‘oxy-schorl’’, elbaite,...[4]B from the Sahatany Pegma- tite Field, Madagascar. The pegmatite at Manjaka (west of the village Ihasy)...Province, Madagascar, is located in the Sahatany Pegmatite Field. Gem tourmaline (elbaite) has been mined in...marble-hosted, complex lithium–cesium– tantalum-type pegmatite since about 1900. Associated minerals are albite |  | Baijot, Maxime, Hatert, Frédéric, Dal Bo, Fabrice, Philippo, Simon (2014) Mineralogy and petrography of phosphate mineral association from the Jocão pegmatite, Minas Gerais, Brazil. The Canadian Mineralogist, 52 (2) 373-397 doi:10.3749/canmin.52.2.373 | Journal (article/letter/editorial) | | PHOSPHATE MINERAL ASSOCIATIONS FROM THE JOCÃO PEGMATITE, MINAS GERAIS, BRAZIL Maxime BAIJOT, Frédéric...Grand-Duché de Luxembourg Abstract The Jocão pegmatite (or Cigana) is located in the well-known Eastern...mineral masses were collected from the dumps of the pegmatite: association I is composed of dendritic triphylite...genetic sequence, secondary phosphates, Jocão pegmatite, Brazil § E-mail address: fhatert@ulg.ac.be...the most important pegmatite provinces in the world, the Eastern Brazilian Pegmatite Province (EBPP), is |  | | Journal (article/letter/editorial) | | 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 structural...and Oxford pegmatite fields. Columbite-group minerals from the Brunswick pegmatite field mainly consist...contents. By comparison, pegmatites from the Oxford field carry columbite-(Fe), columbite-(Mn) and tantalite-(Mn)...structural state of CGM from the Brunswick pegmatite field ranges from highly cation-disordered to cation-ordered |  | 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) | | AUSTROALPINE UNIT (EASTERN ALPS, CENTRAL EUROPE): FIELD RELATIONS, PETROGRAPHY, GEOCHEMISTRY, AND GEOCHRONOLOGY...Alps (Central Europe), about two dozen spodumene pegmatite bodies extend heterogeneously over the Austroalpine...from spodumene pegmatites belong to the elbaite–schorl series, with an unusual but significant dravite...structural levels than the leucogranites. This set of field and petrographic observations as well as geochemical...concentration of rare metals. Keywords: spodumene pegmatite, leucogranite, Eastern Alps, geochemistry, Sm-Nd |  | Andrade, M. B., Atencio, D., Filho, L. A. D. M., Ellena, J. (2011) TThe structure of a microlite-group mineral with a formula near NaCaTa2O6F from the Morro Rendondo Mine, Coronel Murta, Minas Gerais. The Canadian Mineralogist, 49 (2) 615-621 doi:10.3749/canmin.49.2.615 | Journal (article/letter/editorial) | | une microsonde électronique et par diffraction X sur monocristal pour caractériser un minéral du groupe...The Morro Redondo pegmatite is located in the northern part of the Oriental Pegmatite Province of Minas...million years ago. The pegmatite is located inside the Coronel Murta pegmatite field, which comprises tens...industries). Morro Redondo is the largest pegmatite found in this field: it has a length of 400 meters and an...with smaller amounts of dark muscovite plates, schorl and almandine. The intermediate zone is thick (about |  | | Journal (article/letter/editorial) | | petrology and geochemistry of the Sebago granite–pegmatite system, southern Maine, USA Michael A. Wise*,...homogeneous, two-mica granite situated in the Oxford pegmatite field, southwestern Maine. Surrounding the pluton...graphic K-feldspar, sodic aplite and potassic pegmatite pods hosting rare tourmaline, beryl and columbite–tantalite...columbite–tantalite. Over 100 granitic pegmatite bodies (Sebago Pegmatite Group – SPG) intrude the outer portions...neighboring granitoids and metasedimentary rocks. The pegmatite population includes mineralogically simple to |  | | Journal (article/letter/editorial) | | category of corundum-bearing anatectic felsic pegmatite formed in mantle peridotite earlier subjected...overprint by a mixed H2O + CO2 fluid. The bulk of the pegmatite bodies encountered are not obviously of anatectic...an LCT pegmatite also being affected by an LCT-type overprint, to form a “super-LCT pegmatite” is explored...economic potential of pegmatite occurrences. Keywords: granitic pegmatite, felsic pegmatite, classification...proposons comme alternative une classification fondée sur les processus pétrogénétiques responsables, et nous |
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Mas Consul, Pegmatite field, Argelès-sur-Mer, Céret, Pyrénées-Orientales, Occitanie, France