 | | Journal (article/letter/editorial) | | Werner Schreyer Lithium and its isotopes in tourmaline as indicators of the crystallization process...lithium-cesium-tantalum-type pegmatite dikes of San Diego County, California, USA, tourmaline is the main reservoir...dikes where other Li-bearing minerals also occur. Tourmaline from three subhorizontal dikes was analyzed for...is the lower pegmatite zone that crystallized upward whereas the hanging pegmatite zone crystallized...downward. The lower and hanging pegmatite zones are joined at the core zone. Pockets that were once fluid-filled |  | | Journal (article/letter/editorial) | | pegmatites and associated wall rocks from ten pegmatite districts and individual occurrences of Precambrian-Late...pegmatites and pegmatite districts include the Evje-Iveland area, Norway; Harding pegmatite, New Mexico, U.S.A...Tanco pegmatite, Manitoba, Canada; Kiawa pegmatite, New Mexico, U.S.A.; and the Crestmore pegmatite, California...The 6 18 0 of quartz from a sanidine-bearing pegmatite in a sub-volcanic environment is +7.1%0' Late-stage...lower-temperature quartz is typically the heaviest in any pegmatite. The whole-rock isotopic compositions of the pegmatites |  | Zhang, A. C., Wang, R. C., Hu, H., Chen, X. M., Zhang, H. (2004) OCCURRENCES OF FOITITE AND ROSSMANITE FROM THE KOKTOKAY NO. 3 GRANITIC PEGMATITE DYKE, ALTAI, NORTHWESTERN CHINA: A RECORD OF HYDROTHERMAL FLUIDS. The Canadian Mineralogist, 42 (3) 873-882 doi:10.2113/gscanmin.42.3.873 | Journal (article/letter/editorial) | | AND ROSSMANITE FROM THE KOKTOKAY NO. 3 GRANITIC PEGMATITE DYKE, ALTAI, NORTHWESTERN CHINA: A RECORD OF HYDROTHERMAL...No. 3 granitic pegmatite dyke, Altai, northwestern China, a spodumene-subtype pegmatite. Foitite–schorl...Fe-rich dravite crystals in the endocontact zone between the pegmatite dyke and the metagabbro country-rock...country-rock. The evolution of the tourmaline crystals in the endocontact zone occurred in two stages. The first...XCaY+ZR2(䡺Y+ZAl2)–1. Dravite may develop as a result of pegmatite-derived fluids reacting with fluids from the country |  | 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) | | inclusions in pegmatitic schorl-dravite from graphic tourmaline-quartz assemblages: application of LAICP-QMS...inclusions in pegmatitic schorl-dravite from graphic tourmaline-quartz assemblages: application of LA-ICPQMS...Celestijnenlaan 200E, 3001 Leuven, Belgium b c Université de Lorraine, CNRS, CREGU, GeoRessources, 54000 Nancy...hulsbosch@kuleuven.be KEYWORDS: tourmaline, melt inclusions, graphic intergrowth, pegmatite, heterogeneous trapping...= quartz-tourmaline-muscovite 1 ABSTRACT The composition of melt inclusions in tourmaline was studied |  | | Journal (issue) | | species once mined here. In the mid-1980's a rich zone 187 Figure 1. Location map showing the county...30 meters from the Sankt Goransgruvan mine. The zone contained many cerium minerals, as well as some...molybdenite; REE = rare earth elements; Tu = tourmaline; W = scheelite. chalcopyr., sphal.) 1111 Magnetite...hematite ore belt, and sometimes adjoining it, runs a zone of amphibole skarn; the main amphibole species is...Magnetite occurs at several points in the skarn zone, and chalcopyrite has been found in some quantity |  | Roda-Robles, E., Galliski, M. A., Roquet, M. B., Hatert, F., de Paeseval, P. (2012) Phosphate nodules containing two distinct assemblages in the Cema granitic pegmatite, San Luis province, Argentina: Paragenesis, composition and significance. The Canadian Mineralogist, 50 (4) 913-931 doi:10.3749/canmin.50.4.913 | Journal (article/letter/editorial) | | TWO DISTINCT ASSEMBLAGES IN THE CEMA GRANITIC PEGMATITE, SAN LUIS PROVINCE, ARGENTINA: PARAGENESIS, COMPOSITION...SIGNIFICANCE Encarnación RODA-ROBLES§ Departamento de Mineralogía y Petrología, Univ. País Vasco (UPV/EHU)...Argentina M. Belén ROQUET Departamento de Geología, Universidad Nacional de San Luis, Chacabuco y Pedernera...Laboratoire de Minéralogie, B18, Université de Liège, B–4000 Liège, Belgium Philippe de PARSEVAL Université...Université de Toulouse, UPS (OMP), CNRS, IRD–GET, 14, avenue Edouard Belin, F–31400 Toulouse, France Abstract |  | | Report (issue) | | Geology and Beryl Deposits of the Peerless Pegmatite Pennington County South Dakota GEOLOGICAL SURVEY... Geology and Beryl Deposits of the Peerless Pegmatite Pennington County South Dakota By DOUGLAS M. SHERllDAN...scovite pegmatite, undifferentiated _____________________________________ Peerless pegmatite _______...5 5 6 17 17 Page Geology Continued Peerless pegmatite Continued Chemical composition......____________...4-7 in pocket] PLATE 1. Wall rock, Peerless pegmatite. A, Quartz-mica schist containing staurolite partially |  | | Journal (article/letter/editorial) | | 877-891 (2000) THE TANCO PEGMATITE AT BERNIC LAKE, MANITOBA. XIV. INTERNAL TOURMALINE JULIE B. SELWAY§, PETR...ABSTRACT The zoned petalite-subtype Tanco granitic pegmatite, located about 180 km east-northeast of Winnipeg...amphibolite. Tourmaline is not abundant, but is widespread in most of the pegmatite zones. Tourmaline is black...the border zone (10), wall zone (20), aplitic albite zone (30) and central intermediate zone (60); it is...compositional zoning within individual tourmaline crystals, tourmaline at Tanco is characterized by the following |  | | Report (issue) | | Geology of the Hugo Pegmatite Keystone, South Dakota GEOLOGICAL SURVEY PROFESSIONAL PAPER 297-B Geology... Geology of the Hugo Pegmatite Keystone, South Dakota By J. J. NORTON, L. R. PAGE, and D. A. BROBST PEGMATITES...detailed structural and petrologic study of a pegmatite containing seven zones and two replacement bodies...____________________ Pegmatite units ____________________________________ Zone 1 : Albite-quartz-musco...Albite-quartz-musco vite pegmatite ________ Zone 2: Quartz-albite-muscovite pegmatite. _______ Zone 3: Perthite-quartz-albite |  | Hulsbosch, Niels, Hertogen, Jan, Dewaele, Stijn, André, Luc, Muchez, Philippe (2014) Alkali metal and rare earth element evolution of rock-forming minerals from the Gatumba area pegmatites (Rwanda): Quantitative assessment of crystal-melt fractionation in the regional zonation of pegmatite groups. Geochimica et Cosmochimica Acta, 132. 349-374 doi:10.1016/j.gca.2014.02.006 | Journal (article/letter/editorial) | | crystal-melt fractionation in the regional zonation of pegmatite groups Niels Hulsbosch a,⇑, Jan Hertogen a, Stijn...(feldspars, micas and tourmaline), which represent a whole sequence of regional pegmatite zonation. The Gatumba...Gatumba pegmatite field (Rwanda, Central Africa) is chosen as case study area because of its well-developed...differentiation process in the development of regional pegmatite zonation. Moreover (1) it demonstrates the continuity...process from biotite pegmatites to rare-element pegmatite and indicates a genetic link among them; and (2) |  | | Journal (article/letter/editorial) | | Fernando COLOMBO§ CONICET – Cátedra de Mineralogía, Facultad de Ciencias Exactas, Físicas y Naturales...Nacional de Córdoba, Vélez Sarsfield 1611 (X5016GCA), Córdoba, Argentina Jorge SFRAGULLA Secretaría de Minería...Minería de Cordoba y Cátedra de Petrología Ígnea y Metamórfica, Universidad Nacional de Córdoba, H. Irigoyen...GONZÁLEZ DEL TÁNAGO Departamento de Petrología y Geoquímica, Facultad de Ciencias Geológicas, Universidad...P2O5 content in the melt of the middle intermediate zone at Tablada I is 0.82–0.91 wt.% (estimated using |  | Soares, D. R., Beurlen, H., Barreto, S. d. B., Da Silva, M. R. R., Ferreira, A. C. M. (2008) COMPOSITIONAL VARIATION OF TOURMALINE-GROUP MINERALS IN THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL. The Canadian Mineralogist, 46 (5) 1097-1116 doi:10.3749/canmin.46.5.1097 | Journal (article/letter/editorial) | | COMPOSITIONAL VARIATION OF TOURMALINE-GROUP MINERALS IN THE BORBOREMA PEGMATITE PROVINCE, NORTHEASTERN BRAZIL...BRAZIL Dwight Rodrigues SOARES§ Centro Federal de Educação Tecnológica, PB/UNED, Rua Tranquilino Coelho...Hartmut BEURLEN Programa de Pós-Graduação em Geociências, Universidade Federal de Pernambuco (UFPE), Rua... Brazil Sandra de Brito BARRETO and Marcelo Reis Rodrigues DA SILVA Departamento de Geologia, Universidade...Universidade Federal de Pernambuco, Rua Acad. Hélio Ramos s.n., 54740-530, Recife, State of Pernambuco, Brazil |  | | Journal (article/letter/editorial) | | Fluid Inclusion Studies of GEM-Bearing Granitic Pegmatite-Aplite Dikes, San Diego Co., California Bruce...Republic of Germany Late Cretaceous, granitic pegmatite-aplite dikes in southern California have been...approximation to the original isotopic composition of the pegmatite melts. Oxygen isotope fractionations between minerals...basal aplite zone and ended with formation of " q u e n c h aplite" in the pocket zone, nearly to 565...(SD -~ - 90) prior to the emplacement of the pegmatite dikes. Magmatic water was Abstract. * Present |  | | Journal (article/letter/editorial) | | November 2011 Article Tourmaline-group minerals in the Naipa Li-Cs-Ta granitic pegmatite group, Mozambique:...Tourmalines from the Naipa Li-Cs-Ta granitic pegmatite group and metasomatized adjacent host rock were...‘fluor-elbaite’ from the inner intermediate zone and pockets in this zone, followed by elbaite and ‘fluor-elbaite’...strong fractionation of an (Na, Al, Li, B)-rich pegmatite, which had Ca at the time of emplacement. ‘Fluor-liddicoatite’...‘fluor-elbaite’ from the inner intermediate zone and pockets in this zone show progressive zoning, attributed |  | | Journal (issue) | | foreign payments R e m itta n c e m ay b e m a de in lo c a l c u rr e n c y to th e fo llo w in g...editorial by Marie Huizing which appeared in the Pegmatite issue (“I am curious (and) green”) dealt very...did not pretend to cover all of Europe, nor our Pegmatite Issue all pegmatites. Only with the Tsumeb issue...there is always the possibility of Colorado, Pegmatite, Europe and California issues number two, three...OFF EPIDOTE GREEN MONSTER Mountain, Alaska. TOURMALINE & TOPAZ fro m th e S p a u ld in g P o c k e |  | | Journal (article/letter/editorial) | | Fluid fractionation of tungsten during granite–pegmatite differentiation and the metal source of peribatholitic...Celestijnenlaan 200E, 3001 Leuven, Belgium b Université de Lorraine, CNRS, CREGU, GeoRessources, Boulevard des...well-characterised B-rich, F-poor G4 leucogranite–pegmatite suite (986 ± 10 Ma to 975 ± 8 Ma) of the Gatumba–Gitarama...equivalent to muscovite of less-differentiated pegmatite zones of the Gatumba–Gitarama area. Pegmatitic...fluid fractionation. Primary fluid inclusions in tourmaline of these less-differentiated pegmatites demonstrate |  | | Journal (article/letter/editorial) | | Canadian Mineralogist Vol. 40, pp. 753-788 (2002) TOURMALINE IN PETALITE-SUBTYPE GRANITIC PEGMATITES: EVIDENCE...Winnipeg, Manitoba R3T 2N2, Canada ABSTRACT Tourmaline in petalite-subtype granitic pegmatites from...compositional evolution of pegmatite-forming melts through magmatic crystallization and pegmatite melt – host-rock...interactions. At the former locality, tourmaline from the pegmatite units is essentially magmatic, whereas...whereas at the latter locality, tourmaline in many of the Fe-suite pegmatites displays characteristics (such |  | Cao, Ming-Jian, Zhou, Qi-Feng, Qin, Ke-Zhang, Tang, Dong-Mei, Evans, Noreen J. (2013) The tetrad effect and geochemistry of apatite from the Altay Koktokay No. 3 pegmatite, Xinjiang, China: implications for pegmatite petrogenesis. Mineralogy and Petrology, 107 (6) 985-1005 doi:10.1007/s00710-013-0270-x | Journal (article/letter/editorial) | | the Altay Koktokay No. 3 pegmatite, Xinjiang, China: implications for pegmatite petrogenesis Ming-Jian...better constrain the evolution and petrogenesis of pegmatite, geochemical analysis was conducted on a suite...apatite crystals from the Altay Koktokay No. 3 pegmatite, Xinjiang, China and from the granitic and amphibolitic...amphibolitic wall rocks. Apatite samples derived from pegmatite zones show convex tetrad effects in their REE... Kensington, WA 6151, Australia N. J. Evans John de Laeter Center for Isotope Research, Department of |  | Hulsbosch, Niels, Thomas, Rainer, Boiron, Marie-Christine, Dewaele, Stijn, Muchez, Philippe (2017) Direct Observation of Boro-Aluminosilicate Melt Compositions: Insights From Raman Spectroscopy of Melt Inclusions In Pegmatitic Tourmaline of the Gatumba-Gitarama Area (Rwanda) The Canadian Mineralogist, 55 (3) 377-397 doi:10.3749/canmin.1600093 | Journal (article/letter/editorial) | | SPECTROSCOPY OF MELT INCLUSIONS IN PEGMATITIC TOURMALINE OF THE GATUMBA-GITARAMA AREA (RWANDA) NIELS HULSBOSCH§...Potsdam, Germany MARIE-CHRISTINE BOIRON Université de Lorraine, CNRS, CREGU, GeoRessources, Boulevard des...spectroscopic analyses of melt inclusions in tourmaline from tourmaline-quartz-(muscovite) assemblages of common...in the numerous coexisting fluid inclusions in tourmaline. The observed mineralogy and composition of the...bulk single-phase melt crystallization model for pegmatite formation. Based on reported experimental, theoretical |  | Bhandari, Sushmita, Qin, Kezhang, Zhou, Qifeng, Evans, Noreen J. (2022) Geological, Mineralogical and Geochemical Study of the Aquamarine-Bearing Yamrang Pegmatite, Eastern Nepal with Implications for Exploration Targeting. Minerals, 12 (5) 564 doi:10.3390/min12050564 | Journal (article/letter/editorial) | | Geochemical Study of the Aquamarine-Bearing Yamrang Pegmatite, Eastern Nepal with Implications for Exploration...Geochemical Study of the Aquamarine-Bearing Yamrang Pegmatite, Eastern Nepal with Implications for Exploration...com School of Earth and Planetary Sciences, John de Laeter Centre, Curtin University, Perth, WA 6845...iggcas.ac.cn Abstract: The Yamrang Pegmatite in the Ikhabu Pegmatite Field, Eastern Nepal is Nepal’s primary...detailed mineralogy and whole rock granite and pegmatite geochemistry, and major and trace element data |  | Beurlen, H., de Moura, O. J. M., Soares, D. R., Da Silva, M. R. R., Rhede, D. (2011) Geochemical and geological controls on the genesis of gem-quality "Paraiba Tourmaline" in granitic pegmatites from northeastern Brazil. The Canadian Mineralogist, 49 (1) 277-300 doi:10.3749/canmin.49.1.277 | Journal (article/letter/editorial) | | “PARAÍBA TOURMALINE” IN GRANITIC PEGMATITES FROM NORTHEASTERN BRAZIL Hartmut BEURLEN§ Departamento de Geologia...Geologia, Universidade Federal de Pernambuco (UFPE), Rua acadêmico Hélio Ramos s.n., 50740–530, Recife,...Pernambuco, Brazil Odúlio J.M. de MOURA H&R Exportação e Importação de Minérios, Av. Palmeiras Imperiais...Valadares, MG, Brazil Dwight R. SOARES Instituto Federal de Educação, Ciência e Tecnologia da Paraíba (IFPB)...Marcelo R.R. DA SILVA Departamento de Geologia, Universidade Federal de Pernambuco (UFPE), Rua acadêmico |  | | Journal (issue) | | Continued on p. 239 Articles The Jaguaragu pegmatite, Minas Gerais, Brazil ..........................Cassedanne & J. N. Alves Mineralogy of the Bennett pegmatite, Oxford County, Maine ..........................roses from the Rose mine, near San Lorenzo, New Mexico .................................................description of the external characteristics of minerals (De natura fossilium, 1546). He introduced such terms...Hausen, Wallerius, Hebenstreit, Linnaeus and Valmont de Bomare added others to the ever-growing list, including: |  | | Journal (article/letter/editorial) | | Crystallization of the Little Three layered pegmatite-aplite dike, Ramona District, California Received:...March 1999 Abstract Subhorizontally layered pegmatite-aplite bodies are characterized by ®ne-grained...much coarser-grained, commonly graphic potassic pegmatite. Although well studied, there currently is little...pockets near the base of the graphic pegmatite zone. Tourmaline, garnet, biotite, and muscovite show...until the immediate vicinity of the main miarolitic zone, where they record abrupt and extreme enrichments |  | | Journal (article/letter/editorial) | | 2009 Ó Springer-Verlag 2009 Abstract Granite pegmatite sheets in the continental crust are characterized...high H2O (±Li, B, F and P) contents in granite pegmatite melts. Without retention of H2O the conditions...Mount Pleasant, MI 48859, USA Keywords Granite Pegmatite H2O Undercooling Nucleation Crystal growth...sheets served as a foundation for the classic pegmatite crystallization model of Jahns and Burnham (1969)...rhythmically crystallized aplitic border zone, pegmatite zone(s), and pockets (Fig. 1). Pockets represent |  | | Report (volume) | | Exploration of the Beecher No. 3Black Diamond Pegmatite Custer County, South Dakota GEOLOGICAL SURVEY...Exploration of the Beecher No. 3Black Diamond Pegmatite Custer County, South Dakota By J. A. REDDEN CONTRIBUTIONS...___________________________________ ________ Description of pegmatite units_____________________ _____.-__ Structural...TABLE TABLE 1. Diamond-drill logs, Black Diamond pegmatite.____________ m Page E3 CONTRIBUTIONS TO ECONOMIC...EXPLORATION OF THE BEECHER NO. 3-BLACK DIAMOND PEGMATITE, CUSTER COUNTY, SOUTH DAKOTA By J. A. REDDEN ABSTRACT |
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