 | | Journal (article/letter/editorial) | | the known rare earth elements (REE), Ti and Li occurrences and exploration potential in Finland, based on...LamujĂ€rvi, and Iivaara), rapakivi granite and pegmatite (Kovela), and kaolin-bearing weathering crusts...vanadium mine. For several years, Rare Element (RE)-pegmatite of the Kaustinen and SomeroâTammela areas has...Geological Survey of Finland (GTK). At Kaustinen, Li-pegmatite occurs as subparallel dyke swarms in an area of...Paleoproterozoic mica schists and metavolcanic rocks. Li pegmatite contains more than 10% spodumene as megacrysts |  | | Report (issue) | | cordierite, peridote, tourmaline, garnet, spinel and topaz are known from scattered occurrences, but their potential...Greenland geological environment, not least the pegmatite occurrence, is definite justification for more...pinkish diamonds from Garnet Lake. 2 Diamond occurrences in southern West Greenland . 53°W 52°W 51°W...well-known from the 600 Ma old North Atlantic province of carbonatites and ultramafic alkaline magmatism...of a reasonable potential for diamonds in the province. In the Sarfartoq area the 2006 results illustrate |  | | 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 |  | | Report (issue) | | genesis and general economic potential of pegmatite occurrences in Greenland. Field observations, archive...presentation. The prospective areas for pegmatite-hosted mineral occurrences in Greenland are outlined, and examples...examples of prominent pegmatite minerals are demonstrated. Pink pegmatite related to the QĂŽrqut granite...important source of gemstones such as emerald and tourmaline, and some pegmatites are even mined for their...unknown at present. In a broader sense, the term pegmatite is used for any coarse-grained vein of granitic |  | | Journal (article/letter/editorial) | | Tools and Workflows for Grassroots LiâCsâTa (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 LiâCsâTa (LCT) pegmatite mineralisation has predominantly focused on the...mineral exploration techniques applied to LCT pegmatite mineralisation have been published, covering (i) |  | | Book | | William J. Brunet set out to trace three ilmenite occurrences mentioned in late 19th-century literature. One...2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series...of Amsteg, subordinate drainages running south to Val Caverdiras; ilmenite rose-bearing clefts are found...Administered Tribal Areas and North West Frontier Province. Ilmenite crystal clusters to 12 cm across have...Mountain, Warsak district, North West Frontier Province. Surface diggings worked by local people on Zagi |  | | Book | | synthe- including gems, the and on natural occurrences, collectorâs specimens, John scholarly monograph...Fertil78 ity, Fevers and 131 France, 77 127 130 Italy, Poisons and Venomous Bites, Pregnancy, 127 ... Mexico, 480 Mongolian 507 Sudan, 508 456 Italy, 456 Kenya, (Namibia), 501 507 Spain, 445 ...AZ; Allan Caplan, CA; Giorgio Graziani, Rome, Italy; Harry Winston, Inc., New York, NY; Hoover, have...Van Pelt, Murphy, Los New Pagano, Monfalcone, Italy; Sanchez, E. Fallbrook, Scripps, Vienna, Angeles |  | | Journal (volume) | | . . . . . . . . . . . . . . . . . 14 PEGMATITE OCCURRENCES . .. .. . ...............................18 THE PEGMATITE OCCURRENCE OF LUOLAMĂKI . . . . . . . . . . . . . . . . . . . 19 PEGMATITE OCCURENCES...to occur in connection with synorogenie rocks. Pegmatite dikes and lumps containing beryl are found mostly...coarse-grained varieties of granite, i.e., pegmatite occurrences. It was in 1956 that the Geological Survey...Finland undertook to investigate and map out pegmatite occurrences as part of its systematic work program. |  | | Journal (issue) | | 28 million Troy ounces or about 900 metric tons (mt) of silver (Weed, 1912). The silver panic of 1892â93...same year would see the Anaconda produce about 7,300 mt of oxidized silver ore, grading 930 gm per ton in... 1957) Between 1882 and 1884 Daly shipped 34,000 mt of ore to Wales. It averaged an incredible 45% copper...smelter was completed. This facility, known as the âUpper Works,â was capable of treating 910 mtpd. A brief...fed directly to the roasting furnaces. After the Upper Works were destroyed by fire in 1889 (an all too |  | | Journal (article/letter/editorial) | | are also probably of that age. The Strickland pegmatite at Portland, Connecticut, the near-by Hale deposit...Mountain pegmatite at Woburn, Massachusetts,are Devonian in age.7The famous Bedford pegmatite in WestchesterCounty...occur on Mount Royal, Montreal. Intrusions of pegmatite accompanied Paleozoic ore deposition in widely...Paleozoic granites of western Spain.12Tin-bearing pegmatite dikes in eastern Victoria cut the Silurian metamorphic...la Reid, A. Mclntosh, The mining fields of Morina, Mt. Claude, and Lorinna: Tasmania Geol.Surt:ey,Bull |  | | Journal (article/letter/editorial) | | PEGMATITE MINERALS OF THE UNITED STATES David M. Seaman American Museum of Natural History, New York...whereas the almandite-spessartites found in granite pegmatite are predominently trapezohedral crystals or else...Concord, Leiperville, and Newlin, Pennsylvania; Upper Merryall and Haddam, Connecticut; Russell and Westfield...The crystals occur most frequently in common pegmatite with microcline and orthoclase as the chief feldspars...cut into fine gems. Noted from Pala, California; Mt. Antero, Colorado; some localities in Chester and |  | | Journal (article/letter/editorial) | | and F-apatite, with additional species such as tourmaline, ferrocolumbite, samarskite, Nb-mtile and triplite-zwieselite...peraluminen, S-Typ Graniten in Verbindung. Die Pegmatite sind zoniert und besitzen einen inneren Quarzkern...fluid inclusion history and its implications for pegmatite emplacement and subsolidus history is given in...Olary Block of eastern South Australia comprises upper greenschist to amphibolite grade metamorphosed and...grade metamorphics with granitoids Investigated pegmatite 0 ~,~ 15 Kilometres Fig. 1. Simplified geological |  | | Journal (article/letter/editorial) | | jahnsiteâwhiteite groups from the Mount Wills pegmatite ïŹeld, Victoria, Australia WILLIAM D. BIRCH* Geosciences...Knocker dykes are the most fractionated in the pegmatite ïŹeld derived from late-stage melts of the Late...jahnsiteâwhiteite; FeâMn phosphates; granite pegmatite; Mount Wills; Victoria. 40 km north of Omeo,...operations (Fig. S1 and Fig. 2). However, the pegmatite dyke ïŹeld 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) | | pp. 131-143 (2000) COMPLEXLY ZONED FIBROUS TOURMALINE, CRUZEIRO MINE, MINAS GERAIS, BRAZIL: A RECORD...Louisiana 70803, U.S.A. ABSTRACT Silver-gray tourmaline fibers intergrown with a deep pink elbaite host...magmatic and hydrothermal fluids involved in pegmatite formation. Optical and back-scattered electron...well as the host. A fourth generation of fibrous tourmaline fills fractures that cut all previous generations...stability followed by reaction(s) in which the tourmaline was initially unstable, partially dissolved owing |  | | Report (issue) | | France dâOutre-Mer CAMP Central Atlantic Magmatic Province CGIAR-CSI Consultative Group on International...Reserves Committee (Australasian) LIP Large Igneous Province LREE Light rare-earth element METI Ministry...documents and the National inventory of mineral occurrences suggests that resources of U, Th, Nb, Ta, Be...Richat carbonatite complex, but that all other occurrences of U, Th, REE, and associated elements are poorly....................................... 2 4.1.1 Pegmatite Veins of the Tasiast-Tijirit Terrane ........ | | | Report (issue) | | France dâOutre-Mer CAMP Central Atlantic Magmatic Province CGIAR-CSI Consultative Group on International...Reserves Committee (Australasian) LIP Large Igneous Province LREE Light rare-earth element METI Ministry...documents and the National inventory of mineral occurrences suggests that resources of U, Th, Nb, Ta, Be...Richat carbonatite complex, but that all other occurrences of U, Th, REE, and associated elements are poorly....................................... 2 4.1.1 Pegmatite Veins of the Tasiast-Tijirit Terrane ........ |  | | Report (issue) | | of Use. Content: This Content is offered by the Province of Ontarioâs Ministry of Northern Development...DĂ©veloppement du Nord et des Mines (MDNM) de la province de l'Ontario. Les recommandations et les opinions................. 27 PEGMATITES OF THE GRENVILLE PROVINCE.................... 28 TERMINOLOGY..............Level........................... Past/Potential Pegmatite Commodities..................... Potassium Feldspar...Pegmatites.... Pegmatite Generation Processes............. "Ideal" Pegmatite Zoning.. Current Pegmatite Classifications |  | | Journal (article/letter/editorial) | | 15:414-15. Short but informative description of Mt. Newry and Black Mt., the specimens found as well as description...description of chrysoberyl crystals from Ragged Jack Mt., Hartford. . 1941. New England Notes. Rocks and Minerals...New England Notes. Rocks and Minerals 17:24, 29. Mt. Apatite, Auburn: report of find of several speÂ...lepidolite crystals, apatite, damourite, and tourmaline. . 1942. New England Notes. Rocks and Minerals...not list them. Bryant, S. J . 1960. Fluorescing pegmatite in Maine. Rocks and Minerals 35:217-19. Unexplicably |  | | 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 âsuper-LCT pegmatiteâ is explored...economic potential of pegmatite occurrences. Keywords: granitic pegmatite, felsic pegmatite, classification...+ CO2. En revanche, la plupart des venues de pegmatite sont le produit du fractionnement dâun volume |  | Chiarenzelli, Jeffrey, Lupulescu, Marian, Robinson, George, Bailey, David, Singer, Jared (2019) Age and Origin of Silicocarbonate Pegmatites of the Adirondack Region. Minerals, 9 (9) 508 doi:10.3390/min9090508 | Journal (article/letter/editorial) | | Silicocarbonate pegmatites from the southern Grenville Province have provided exceptionally large crystal specimens...apatite, perthitic microcline, phlogopite, zircon, tourmaline, titanite, danburite, uraninite, sulfides, and...collapse, voluminous leucogranite and granitic pegmatite intrusion, iron and garnet ore development, and...represent a continuum between vein-dyke and skarn occurrences involving the anatexis of metasedimentary country...shear zone. Keywords: silicocarbonate; Grenville Province; Adirondack Mountains; Carthage-Colton shear zone; |  | | Journal (article/letter/editorial) | | associated mineral zones in the hybrid ultramafic-pegmatite association of the neoproterozoic hafafit core...associated mineral zones in the hybrid ultramafic-pegmatite association of the Neoproterozoic Hafafit core...mineral zones are well developed when the granitic pegmatite veins cross-cut through ultramafic rocks at the...whereas the second group related to the pegmatite veins (pegmatite-related zones) comprises hercynite- and...corundum-bearing zones. Tourmaline-rich zone only occurs when the pegmatite veins come in contact between |  | 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) | | Alps (Central Europe), about two dozen spodumene pegmatite bodies extend heterogeneously over the Austroalpine... quartz, plagioclase, muscovite, garnet, and tourmaline, with additional spodumene in the pegmatites...significant dravite component. The occurrence of tourmaline and the absence of biotite may be due to the...concentration of rare metals. Keywords: spodumene pegmatite, leucogranite, Eastern Alps, geochemistry, Sm-Nd...demand has the implication that even small Li-pegmatite deposits might become economically viable (Kesler |  | | Journal (article/letter/editorial) | | University] at 13:51 05 January 2015 Abstract Pegmatite deposits commonly occur in the 1500 km long, N-S-trending...migmatite, granitoid gneiss, gneiss, and schist. The pegmatite veins and dikes are mostly 2 to 5 meters wide...microperthite, and muscovite, with minor biotite, tourmaline, beryl, garnet, topaz, lepidolite, magnetite...pattern is rather distinct in the pegmatite body, where tourmaline is present. The light-colored felsic...confined to the core zone and the dark-colored tourmaline crystals to the outer zone. Numerous fluid inclusions |  | | Journal (article/letter/editorial) | | Pilbara pegmatite province in the Archean North Pilbara Craton contains at least 120 pegmatite deposits...deposits in over 27 pegmatite groups and fields, including the giant Mount Cassiterite tantalum orebody in...in the Wodgina pegmatite district. Generally, rare metal pegmatites in the province are hosted by mafic-ultramafic...that have given rise to different petrogenetic pegmatite suites can be identified in processed radiometric...character that permitted formation of significant pegmatite mineralization. They represent the culmination |  | SĂĄnchez-Muñoz, Luis, MĂŒller, Axel, AndrĂ©s, Sol LĂłpez, Martin, Robert F., Modreski, Peter J., de Moura, Odulio J.M. (2017) The PâFe diagram for K-feldspars: A preliminary approach in the discrimination of pegmatites. Lithos, 272. 116-127 doi:10.1016/j.lithos.2016.10.030 | Journal (article/letter/editorial) | | orogens, such as in the Eastern Brazilian Pegmatite Province as the result of the collision of cratons...significant departures from the bulk composition of the pegmatite-forming magma. Yet there is a pressing need to...representative alkali feldspar from 31 carefully evaluated pegmatite localities covering a wide range of mineralogy...MANUSCRIPT geologist mapping uncharted territory in a pegmatite district. Our aim in this research is to test...be used as a measurable criterion for RI PT pegmatite discrimination, and to suggest elements that are |
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