 | 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) | | 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) | | 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 |  | 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 |  | 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 |  | | 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 (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 |  | | 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 |  | | 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 |  | 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 |  | 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 |  | 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 |  | | 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 (issue) | | in southwestern Fennoscandia: Backdrop to the pegmatite fields of southern Norway……………………………………………………………………………………...paleoclimate controls of lithium-cesium-tantalum (LCT) pegmatite genesis, exhumation, and preservation……………………...earth element mineralization in a rediscovered pegmatite in the Stettin Complex, Wausau Syenite Compley...REIMER, W. Mineralogical study of the Gonçalo Li-pegmatite deposit, Portugal……………………………………..23 FALSTER,...fluorapatite-quartz assemblage in the Emmons pegmatite, Greenwood, Oxford Co., Maine, USA: implication |  | | Thesis/Dissertation | | respectively. The Lindvikskollen pegmatite area was the focus of field work and sampling of rocks and tourmalines...in the area. In the case of the Lindvikskollen pegmatite, which intruded a metagabbro body and its albitized...tourmaline and bulk rock chemistry indicates that the pegmatite was probably formed by mixed partial melting of...albitite host rocks. In addition, the nearby Tangen pegmatite intrudes the same metagabbro, and its overlapping...host rock tourmaline-bearing gneiss to be the pegmatite melt source. This thesis concludes that the source |  | | Catalog/List | | miners bring down specimens. tacular aquamarine and schorl tourmaline combina- This includes a newly discovered... Rubellite Tourmaline on Cleavelandite Malkhan Pegmatite Field, Krasnyi Chikoy, Zabaykalsky Krai, Russia 19...19 cm tall x 23 cm wide “The Malkhan pegmatite field in Siberia represents the largest source of gem-grade...complete story and history of this mine. Asia 21 Schorl Tourmaline with Aquamarine Shengus, Roundu District...for producing the most spectacular aquamarine and schorl tourmaline combination specimens found anywhere |  | | Journal (article/letter/editorial) | | from the Scheibengraben beryl-columbite granitic pegmatite, Maršíkov, Czech Republic MILAN NOVÁK1,*, PETR...beryl-columbite pegmatite at Scheibengraben, Maršíkov, Northern Moravia, Czech Republic. The pegmatite consists...(facilitated by low contents of B, P and Li in the pegmatite melt) very likely maximized such an extensive...differential solubilities of columbite and tantalite in pegmatite melt. The apparent reversal of Nb-Ta and Fe-Mn...and Fe-Mn fractionation paths, beryl-columbite pegmatite, fluorine, Maršíkov, Czech Republic. Introduction |  | | Journal (article/letter/editorial) | | GEOCHEMISTRY OF PHOSPHATES AND SILICATES IN THE SAPUCAIA PEGMATITE, MINAS GERAIS, BRAZIL: GENETIC IMPLICATIONS Maxime...Grand-Duché de Luxembourg Abstract The Sapucaia pegmatite is located in the well-known Eastern Brazilian...Minas Gerais, Brazil. Detailed mapping of the pegmatite body revealed five zones, showing distinct mineral...quartz core (Q). Phosphate masses found in the pegmatite contains two different assemblages: assemblage...geochemically primitive LCT-type pegmatite. The degree of differentiation of the pegmatite increases from the border |  | 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...l’exhumation des roches de haute pression. Mots-clés: pegmatite LCT, magmatisme à éléments rares, datation sur...ideally suited for U–Pb dating of rare-element pegmatite. They can easily accept U into their structure |  | | Journal (article/letter/editorial) | | Corresponding author Secondary blue tourmaline (schorl to Fe-rich fluor-elbaite to very rare Fe-rich fluor-liddicoatite)...whereas associated primary tourmaline (schorl to Mg-bearing schorl) remained unaltered. Textural relations...crystallization of primary tourmaline from the moment when pegmatite melt was sealed off the host rock. Negligible...concentrations of Mg in secondary tourmaline show that the pegmatite system was closed to the host rocks during the...garnet are related to originally Ca-enriched pegmatite melt contaminated before emplacement. Keywords: |  | | Journal (issue) | | ....................................616 Mawi Pegmatite .......................................619 Nilaw...and Korgal Pegmatites ...............630 Kulam Pegmatite .....................................631 Paprok...................................633 Parun Pegmatite Field ............................656 Kunar Province.............................658 Pech Valley Pegmatite Field ...................658 Pricing and Marketing...Afghanistan and surrounding area in 1887. The pegmatite areas north of the Kunar River—red dots—were largely |  | | Journal (article/letter/editorial) | | low proportion of micas is typical. Tourmaline (schorl to elbaite) is an omnipresent subordinate to accessory...associated with albite + lepidolite in massive pegmatite. Hambergite, danburite, datolite and boromuscovite...Moldanubikum: ein neuer Subtyp der Selten-Element Pegmatite Um Pegmatite zu kennzeichen, in denen Li haupts~ichlich...Subtyp komplexer granitischer Selten-Element Pegmatite vorgeschlagen. Zusammen mit dem hgufigeren und...Li-angereicherten Lepidolith-Subtyp, sind Elbait-Pegmatite im Moldanubikum B6hmens und M/ihrens weitverbreitet |
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Le Ravaner, Pegmatite field, Collioure, Céret, Pyrénées-Orientales, Occitanie, France