 | | Report (chapter) | | SE-971 87 Luleå, Sweden *Correspondence: michael@stephens.se Abstract: Felsic volcanic rocks (c. 1.91–1.89...lithotectonic unit, Svecokarelian orogen, south-central Sweden. Three sulphide mines are currently in operation...the rocks are intruded by a dominant calc-alkaline, c. 1.91–1.87 Ga plutonic suite. Fabric development associated...folding and localized shear deformation followed at c. 1.87–1.86 Ga (D1) and was succeeded by strongly partitioned...variable temperature conditions included anatexis at c. 1.86 Ga (M1) and 1.84–1.80 Ga (M2). More alkali–calcic |  | | Report (chapter) | | WAHLGREN1 1 Geological Survey of Sweden, Box 670, 751 28 Uppsala, Sweden 2 Division of Geosciences and...Luleå University of Technology, SE-971 87 Luleå, Sweden *Correspondence: ulf.bergstrom@sgu.se Abstract:...during crustal extension at c. 1.51–1.49, c. 1.46, c. 1.34–1.30 Ga and after c. 1.33 Ga, dominate the Idefjorden...granulite facies, emplacement of syn-orogenic pegmatite and granite, and polyphase deformation followed...norite–anorthosite, and a batholithic granite took place at c. 0.95–0.92 Ga (Dalane phase, Sveconorwegian orogeny) |  | Graupner, T., Melcher, F., Gäbler, H.-E., Sitnikova, M., Brätz, H., Bahr, A. (2010) Rare earth element geochemistry of columbite-group minerals: LA-ICP-MS data. Mineralogical Magazine, 74 (4) 691-713 doi:10.1180/minmag.2010.074.4.691 | Journal (article/letter/editorial) | | during progressive evolution of the melt in a pegmatite body (either Nb ? Ta or Fe ? Mn fractionation...mineral-melt partitioning during crystallization of the pegmatite body and by secondary hydrothermal or weathering...causing addition, loss or redistribution of REE. Pegmatite bodies may contain up to several generations of...provide constraints on the genesis of rare-element pegmatite systems. Furthermore, it may be used as a valuable...LCT pegmatite locations of central and southern Africa. These include: (1) the Homestead pegmatite, Tantalite |  | Černý, Petr, Masau, Morgan, Goad, Bruce E., Ferreira, Karen (2005) The Greer Lake leucogranite, Manitoba, and the origin of lepidolite-subtype granitic pegmatites. Lithos, 80 (1) 305-321 doi:10.1016/j.lithos.2003.11.003 | Journal (article/letter/editorial) | | Petr Černýa,*, Morgan Masaua,b, Bruce E. Goada,c, Karen Ferreiraa b a Geological Sciences, University...University of New Orleans, New Orleans, LA 70148, USA c Inukshuk Exploration Inc., 21861 44A Avenue, Langley...fractionation gradients characterize the granite-to-pegmatite transition, most conspicuously so in the case...rights reserved. Keywords: Leucogranite; Granitic pegmatite; Lepidolite; Petrology; Geochemistry; Petrogenesis...mineralization superimposed on preexisting barren pegmatite bodies. We present here the Greer Lake leucogranite |  | | Journal (article/letter/editorial) | | 2 ~Swedish Geological Company, 751 44 Uppsala (Sweden) Scottish Universities Research Reactor Centre...Switzerland (BSttstein and Grimsel) and one in Sweden (Krhkem~da), all located in granite bedrock. The...extent that the U-series disequilibrium is a p r o d u c t of rock--water interaction, these measurements may...granite, located along the southeastern coast of Sweden. The Kriikem~ila area within the GStemar granite...K-feldspar (30--50 vol.%) with subordinate biotite, muscovite and chlorite. The plagioclase (An < 10%) occurs |  | | Report (chapter) | | Luleå, Sweden 3 Department of Earth Sciences, Uppsala University, SE-752 36 Uppsala, Sweden 4 Department...Finland 5 Geological Survey of Sweden, Box 670, SE-751 28 Uppsala, Sweden ‡ Pro Vice-Chancellor, Luleå...shear zones under lower-grade conditions continued at c. 1.8 Ga. Felsic volcanic rocks (1.90–1.88 Ga) host...segment of the 2.0–1.8 Ga Svecokarelian orogen in Sweden, occurring in the central and northern parts of...STEPHENS, M. B. & BERGMAN WEIHED, J. (eds) 2020. Sweden: Lithotectonic Framework, Tectonic Evolution and |  | | Journal (issue) | | Rosing-Schow, NHM Published by: Norsk Geologisk Forening c/o Norges Geologiske Undersøkelse N-7491 Trondheim...in southwestern Fennoscandia: Backdrop to the pegmatite fields of southern Norway……………………………………………………………………………………...paleoclimate controls of lithium-cesium-tantalum (LCT) pegmatite genesis, exhumation, and preservation……………………...rediscovered pegmatite in the Stettin Complex, Wausau Syenite Compley, Marathon County, Wisconsin, USA……………………………………………...USA……………………………………………..21 DOLGOPOLOVA, A., SELTMANN, R., STANLEY, C., ARMSTRONG, R., NORONHA, F., RAMOS, V., GUEDES, A |  | | Book (volume) | | given permission to use their diagrams, and Mr H. C. Waddams, the artist who has so ably executed the...direction Bxa acute bisectrix C (in association with A) red light (656 mp) c cell edge in the z direction...from Franklin, New Jersey, gave a 8-23 A, b 18-94 A, c 5-06 A (a and b are approximately double the values...4-756 A b 10-195 A c 5-981 A Z=4 Gelatinizes in HC1, orange yellow a 4-817 A b 10-477 A c 6-105 A Space...cell dimensions of which are a 4-755 A, b 10-21 A, c 5-985 A. The structure consists of individual silicon-oxygen |  | | Journal (article/letter/editorial) | | : Map of the (handler mine, Raymond. Rockingham County, New Hampshire (after Page and Larrabee, 1962)...CHANDLER MINE A ZONED, LITHIUM-RICH dump* PEGMATITE C A R L A. FRANCIS Harvard Mineralogical Museum...Edgar Chand- T H E C H A N D L E R M I N E IN R A Y M O N D , Rocking ham County, New Hampshire, is...is an open pit in a granite pegmatite that was operated for feldspar by the Whitehall Company, Inc., from...abundant lithium mineralization, the Chandler pegmatite is perhaps the most interesting of the many pegmatites |  | | Journal (article/letter/editorial) | | ..... Montana pegmatite.............................................. Dulea pegmatite ................................................. Stone Creek pegmatite........................................... Keystonepegmatites...Drurfilommon mine. Occurrencesnear Haystack Stock, Park County,were mentionedby Emmons(5). Pegmatitesassociated...just eastof La HoodPark. This unmetamorphosed pegmatite con- 310 E. WM. HEINRICH. rainscoarsely crystalline...chieflyof Precambrian age (exterior pegmatites). c. Other pegmatites. 3. Pegmatitesof Tertiary age. PEGI•fATITES |  | | Journal (article/letter/editorial) | | processes that facilitate the generation of Li-Cs-Ta pegmatite melts are not fully understood. Knowledge of the...tectonic setting of this class of rare element pegmatite is limited in particular by the availability of...providing insights into the source of Li-Cs-Ta pegmatite melts. The crystallisation ages and Lu-Hf isotopic...kendall-langley@research.uwa.edu.au 11 12 Keywords pegmatite, rare metals, geochronology, petrogenesis, cassiterite...processes that facilitate the generation of Li-Cs-Ta pegmatite melts are not fully understood. 17 Knowledge |  | | Journal (article/letter/editorial) | | four main subdivisions viz: 1. Primary Ores: 2. Pegmatite Contact Minerals, (a) Skarns and Recrystallization...magmatic materials. PneumatolyLic products of the pegmatite magma also reacted with the primary ores to produce...were formed in the ore-body. These products of pegmatite intrusion are extremely diverse mineralogically...the Franklin ore deposits have been described by A. C. Spencerin the Franklin Furnace Folio, No. 161, of...origin. With these are minor massesof granite pegmatite and a few basic dikes. Superposed upon this older |  | Walker, Richard J., Hanson, G.N., Papike, J.J., O'Neil, J.R. (1986) Nd, O and Sr isotopic constraints on the origin of Precambrian rocks, Southern Black Hills, South Dakota. Geochimica et Cosmochimica Acta, 50 (12) 2833-2846 doi:10.1016/0016-7037(86)90230-9 | Journal (article/letter/editorial) | | samples of the spatially associated Tin Mountain pegmatite give a Sm-Nd isochron age of 2000 ± 100 Ma (E~~...post-crystallization processes, and the age of the pegmatite and parts of the Harney Peak Granite complex remain...mobility of Sr. The Nd isotopic compositions of the pegmatite and the Hamey Peak Granite indicate that they...Granite. The Harney Peak Granite is surrounded by a pegmatite field consisting of thousands of granitic pegmatites...Peak Granite/pegmatite complex and to use the Sm-Nd isotopic system to date a pegmatite. Evolved pegmatites |  | | Journal (article/letter/editorial) | | recrystallization of Sc-rich precursors in Dolní Bory pegmatite: Evidence for different mobility of Sc, Y, REE...Kotlářská 2, 61 137 Brno, Czech Republic a r t i c l e i n f o Article history: Received 14 July 2016...of scandium Granitic pegmatite a b s t r a c t Three distinct types (A, B and C) of secondary pretulite...andalusite-diaspore nodule from the quartz core of the pegmatite dyke No. 3, Dolní Bory, Czech Republic. Primary...T ≤ 410 °C and P ≤ 2 kbar. Subsequent subsolidus hydrothermal alteration at T ≈ 350–300 °C transformed |  | | Report (issue) | | S. Government Printing Office Washington 25, D. C. - Price 55 cents CONTENTS Page Page .......................................... 58 2. A, B, and C, Alteration of volcanic materials to montmorillonite...structure; B, Vein clay with clay-filled joint cracks; C, Granite gneiss with plagi-v clase altered to beidellite;...of molluscan shell; B, Montmorillonite from pegmatite; C and D, Electron micrograpl "" of clays........Indices of refraction of clays dehydrated at 210° C.................................................. |  | | Journal (article/letter/editorial) | | appreciable liquidus undercooling (by ~ 200 50C) of viscous granitic liquids prior to the onset of...a highly supersaturated state of the melt in pegmatite-forming bodies. Constitutional zone refining,...and eventually becomes the last liquid in the pegmatite body, appears to be the most likely mechanism...versus high field-strength elements (HFSE) in pegmatite-forming liquids lead to longrange and short-range...discoveries. However, the regional zonation of pegmatite bodies, and the chemistry of metasomatic alteration |  | Dittrich, Thomas, Seifert, Thomas, Schulz, Bernhard, Hagemann, Steffen, Gerdes, Axel, Pfänder, Jörg (2019) Archean Rare-Metal Pegmatites in Zimbabwe and Western Australia - Geology and Metallogeny of Pollucite Mineralisations. Springer International Publishing. doi:10.1007/978-3-030-10943-1 | Book | | and mineable quantities only from the two LCT pegmatite deposits at Bikita in the Zimbabwe Craton and...occurs in monomineralic mineralisation. Both pegmatite deposits have a comparable regional geological...July 2011 and June 2016, where a total of 19 pegmatite districts were inspected and sampled. The second...their formation, the v vi Preface Bikita pegmatite was included in the study. This book presents...his supervision and introduction to the Bikita pegmatite field. We are particularly grateful to Bikita Minerals |  | | Book | | Surinam (Dutch Guiana), 508 Ivory Coast, 462 Sweden, Japan, 462 Switzerland, 510 Tanzania 463 Madagascar...latter believed to be derived from erald. 5 M. but C. . which to II in the searched the literature...of a sources the ancient by inhabitants. G. C. M. references to isman stone the emerald emerald...gemstones continued unabated from this 16 periods, C. visited India and remarked ornaments and small...confirmed by some in emerald made of being C. grounds of its Eichholz doubt cast true comment |  | | Journal (volume) | | Krigsstigen 21, Stocksund, Sverige Valhallav. 46, Stockholm Ö, Sverige The Johns Hopkins Univ., Baltimore...A. Franco, Rui Ribe iro, Prof. Foreign members c/o Geologisk Museum, Sarsgate I, Oslo 5, Norge Univ... Belgique Min. inst. Stockholms Universitet, Stockholm Va, Sverige Rheinhaldenstr. 105, Schaffhausen...Ceylon, Hunupitiya Lake Road, Colombo 2, Ceylon 21 c/o UN/TAB CasiUa 197-D , Santiago, Chile Virginia Polytecnic...3, D eutschland A. Johnson & Co, Stureplan 3, Stockholm 7, Sverige Via Ugo Oj etti 380, R oma, !talia |  | | Journal (volume) | | Krigsstigen 21, Stocksund, Sverige Valhallav. 46, Stockholm Ö, Sverige The Johns Hopkins Univ., Baltimore...A. Franco, Rui Ribe iro, Prof. Foreign members c/o Geologisk Museum, Sarsgate I, Oslo 5, Norge Univ... Belgique Min. inst. Stockholms Universitet, Stockholm Va, Sverige Rheinhaldenstr. 105, Schaffhausen...Ceylon, Hunupitiya Lake Road, Colombo 2, Ceylon 21 c/o UN/TAB CasiUa 197-D , Santiago, Chile Virginia Polytecnic...3, D eutschland A. Johnson & Co, Stureplan 3, Stockholm 7, Sverige Via Ugo Oj etti 380, R oma, !talia |  | Nie, Xiao, Wang, Zongqi, Chen, Lei, Wang, Gang, Li, Zengda (2020) Geochemical Contrasts between Late Triassic Rb-Rich and Barren Pegmatites from Ningshan Pegmatite District, South Qinling Orogen, China: Implications for Petrogenesis and Rare Metal Exploration. Minerals, 10 (7) 582 doi:10.3390/min10070582 | Journal (article/letter/editorial) | | Triassic Rb-Rich and Barren Pegmatites from Ningshan Pegmatite District, South Qinling Orogen, China: Implications...2020 Abstract: The Ningshan pegmatite district in the South Qinling Orogen hosts numerous...determined. The barren pegmatites consist mainly of muscovite, microcline, albite, quartz, and garnet, whereas...the Rb-rich pegmatites are mainly composed of muscovite, albite, quartz, and beryl, with minor chrysoberyl...cassiterite and columbite-group mineral. The muscovite and albite are the main Rb-bearing minerals. The |  | Yin, Rong, Huang, Xiao-Long, Xu, Yi-Gang, Wang, Ru-Cheng, Wang, He, Yuan, Chao, Ma, Qiang, Sun, Xiao-Ming, Chen, Lin-Li (2020) Mineralogical constraints on the magmatic–hydrothermal evolution of rare-elements deposits in the Bailongshan granitic pegmatites, Xinjiang, NW China. Lithos, 352. 105208 doi:10.1016/j.lithos.2019.105208 | Journal (article/letter/editorial) | | granitic pegmatites, Xinjiang, NW China Rong Yina,b,c,* yinrong77@126.com, Xiao-Long Huangb, Yi-Gang Xub... He Wangb, Chao Yuanb, Qiang Mab, Xiao-Ming Suna,c,e,Lin-Li Chenb 510275 State Key Laboratory of Isotope...and Coastal Engineering, Guangzhou 510006 d lP c re Chinese Academy of Sciences, Guangzhou 510640... Journal Pre-proof Abstract The Bailongshan pegmatite district in south Xinjiang Province, NW China...graphic ro pegmatite zone (zone II), a blocky microcline zone (zone III), a muscovite–quartz zone (zone |  | | Journal (issue) | | Embrey British Museum (N.H.) London, England Richard C. Era U.S. Geological Survey Menlo Park, CA Donald...Richard C. Erd U.S. Geological Survey Anthony R. Kampf Natural History Museum of Los Angeles County Arthur.............................................157 by C. Albertini Sellaite from the Brumado mine ..........Peters and C. H. Grube Red montgomeryite and associated minerals from the Tip Top pegmatite, with notes...Iron and Washington Counties) and Arizona (Mojave County). This region is one of the last American frontiers |  | | Report (issue) | | Grafton County, N.H. Geologic map and sections of the Beryl Mountain mine, Acworth, Sullivan County, N.H...Walpole, Cheshire County, N.H. Geologic map of the Corson mine, Nottingham, Rockingham County, N.H. Geologic...Rockingham County, N.H. Geologic map and section of the Vatcher prospect, Raymond, Rockingham County, N.H....sections of the Chandler mine (pegmatite 7), Raymond, Rockingham County, l\.fl. Geologic map and section...Raymond, Rockingham County, N.H. Geologic map of pegmatite 37, Raymond, Rockingham County, N.H. Geologic map |  | | Journal (article/letter/editorial) | | University] at 07:55 02 December 2014 Figure 1. County map of New York State, prepared by William Besse...stratabound mineralization; F = fracture mineralization; C = crystalline rock mineralization. Where mineral specimens...indicators are listed. L O CA L I T I E S B Y C O U N T Y Albany County Indian Ladder: brookite; F. Old Callanan...11 August 1859: olivinebronzite chondrite. Bronx County Various excavations: chabazite, harmotome, quartz...quartz (amethyst), stilbite; F. Clinton County Au Sable Forks, iron mines north of: microcline (sunstone) |
|
