 | Uher, P., Chudík, P., Bačík, P., Vaculovič, T., Galiová, M. (2010) Beryl composition and evolution trends: an example from granitic pegmatites of the beryl-columbite subtype, Western Carpathians, Slovakia. Journal of GEOsciences, 55 (1) 69-80 | Journal (article/letter/editorial) | | beryl-columbite subtype, Western Carpathians, Slovakia Pavel UHER1,2*, Peter CHUDÍK2, Peter BAČÍK1, Tomáš...Comenius University, Mlynská dolina G, 842 15 Bratislava, Slovakia; puher@fns.uniba.sk Department of Mineral...Comenius University, Mlynská dolina G, 842 15 Bratislava, Slovakia Department of Chemistry, Faculty of Science...granodiorites of the Bratislava and Bojná massifs, Tatric Unit, Central Western Carpathians (SW Slovakia). Beryl represents...granitic pegmatites of the West-Carpathian province, Slovakia (Uher 1994), represent a typical example of the |  | Chudík, Peter, Uher, Pavel, Gadas, Petr, Škoda, Radek, Pršek, Jaroslav (2011) Niobium-tantalum oxide minerals in the Jezuitské Lesy granitic pegmatite, Bratislava Massif, Slovakia: Ta to Nb and Fe to Mn evolutionary trends in a narrow Be,Cs-rich and Li,B-poor dike. Mineralogy and Petrology, 102 (1) 15-27 doi:10.1007/s00710-011-0163-9 | Journal (article/letter/editorial) | | the Jezuitské Lesy granitic pegmatite, Bratislava Massif, Slovakia: Ta to Nb and Fe to Mn evolutionary trends...dike intruding biotite granodiorites near Bratislava, SW Slovakia. The dike shows enrichment in beryl (locally...Comenius University, Mlynská dolina, 842 15 Bratislava, Slovakia e-mail: chudik@fns.uniba.sk P. Uher Department...Comenius University, Mlynská dolina, 842 15 Bratislava, Slovakia P. Gadas : R. Škoda Department of Geological...Jezuitské Lesy granitic pegmatite near Bratislava, SW Slovakia, contains a variety of Nb-Ta oxide minerals |  | | Journal (article/letter/editorial) | | pegmatitu Bratislava Jezuitské lesy (Slovensko) Minerals and geochemistry of the Bratislava - Jezuitské...Jezuitské Lesy granitic pegmatite (Slovakia) Pavel Uher1)* a Peter Chudík2) 1) Katedra mineralógie a petrológie...Univerzita Komenského, Mlynská dolina G, 842 15 Bratislava, Slovensko; *e-mail: puher@fns.uniba.sk 2) Hurbanova...(2014) Minerály a geochémia granitového pegmatitu Bratislava - Jezuitské lesy (Slovensko). Bull. mineral.-petrolog...22, 2, 281-292. ISSN 1211-0329. Abstract The Bratislava - Jezuitské Lesy granitic pegmatite forms a relatively |  | | Report (volume) | | ABSTRACT Lode deposits of tin, and commercial placers derived from them, almost invariably are associated...(Southeast Asia) are associated with a stanniferous region of type 1. At many places, extensive areas have...level during the Pleistocene, am.d productive placers have resulted from a complex interplay of stream...Australia. As a result, many economically important placers lie seaward of present shorelines. Most tin is...areas are being found, the geology o:f each new district falls within that predicted from past experience |  | | Book (edition) | | contact twins spinel law Anhydrite Galaxite yes Gahnite penetration twins α-Quartz Silica, amorphous...Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach); XPL If marked in description... Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia (sample: Melcher/Oberthür); PPL D Fine-grained...grey); Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Sachsen, Germany (sample: Seifert);...contact metamorphic deposits, • pegmatites, • placers not known Altaite, Ankerite, Argentite, Arsenopyrite |  | | Book | | Eduardo Zappettini Enigmatic Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina:...Sutherland, Martin Danišı́k, Glenn Poirier, John W. Valley and Ralph Rowe Zircon Xenocrysts from Cenozoic.... . . . . . . . . 347 Harald G. Dill Gems and Placers—A Genetic Relationship Par Excellence Reprinted...Cr-Bearing Andradite (var. Demantoid) from Dobšiná, Slovakia Reprinted from: Minerals 2019, 9, 164, doi:10...important sources (i.e., Afghanistan (Panjsher Valley), Brazil (Itabira), Colombia (Coscuez), Ethiopia |  | Caritat, Patrice, McInnes, Brent, Walker, Alexander, Bastrakov, Evgeniy, Rowins, Stephen, Prent, Alexander (2022) The Heavy Mineral Map of Australia: Vision and Pilot Project. Minerals, 12 (8) 961 doi:10.3390/min12080961 | Journal (article/letter/editorial) | | indicate a metamorphic source; and presence of gahnite may indicate high-grade metamorphism of zinc mineralization...evolution of the continental crust in the source region. Heavy minerals are widely used by the minerals...preliminary observations on HM extracted from alluvial sediments broadly compatible with the geology...observations: • • • • • • H0090 (Murray geological region; see Figure 1) has the highest spinel concentration...hightemperature magmatic-hydrothermal veins or alluvial placers; H0602 (Yilgarn) and H1052 (Birrindudu) are |  | | Journal (article/letter/editorial) | | Franklinite Freibergite Fuchsite (chromium muscovite) Gahnite Galena Galkhaite Gallite Gallobeudantite Garnet...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro...two years. The economic potential of a particular region or mining camp can be deduced from the economic...about 50% of them concentrated in the Steelpoort region of the eastern Bushveld Complex. Stratiform deposits | | | Journal (article/letter/editorial) | | Franklinite Freibergite Fuchsite (chromium muscovite) Gahnite Galena Galkhaite Gallite Gallobeudantite Garnet...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro...two years. The economic potential of a particular region or mining camp can be deduced from the economic...about 50% of them concentrated in the Steelpoort region of the eastern Bushveld Complex. Stratiform deposits |  | | Journal (article/letter/editorial) | | skarn-porphyry Cu-Au-Fe deposit, eastern Transbaikal region, Russia: Genetic implications—V.A. Kovalenker,...depression and modern alluvial placers of the Krasnovishersky district (Ural region)— E.A. Vasilev, I.V...biotite from the Lizaizhai pegmatite (Guangning ore district, Guangdong, south China): Identification of a...gold deposit, Hutti-Maski schist belt, Raichur district, Karnataka, India—C.G. Nevin and H.S. Pandalai...SCIENCES Vol. 162, 2020 The mineral chemistry of gahnite, garnet and columbite-group minerals (CGM): Implications |  | | Book (edition) | | sedimentary and metamorphic rocks and in residual and alluvial deposits. Special attention was paid to localities...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g.... canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country names...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing |  | | Book (edition) | | Hercynite IV/B.01-20 602 Galaxite IV/B.01-30 604 Gahnite IV/B.01-40 606 Magnetite IV/B.02-20 608 Jacobsite...[%]: Anisotropy: Pleochroism: quartz veins, alluvial deposits gold-yellow, silver-white (Ag) to copper-red...Reflectance [%]: Anisotropy: Pleochroism: hydrothermal, placers, possibly authigenic processes, replacement of...Reflectance [%]: Anisotropy: Pleochroism: fluviatil placers, serpentinised peridotites, meteorites tinted grey...Pleochroism: extraterrestrial origin and concentrated in placers cream-white 53,40 isotropic Bireflectance: Strunz |  | | Book | | "Broadly regarded, the depth ta which a metalliferous region has been eroded affects its present characteristics...same manner in which detrital heavy minerals in placers are enclosed in the sediments with which they formed...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...about 120 Tt Pb, 476 t Au (much of it from gulch placers) and 2.5 Tt Ag, from about 15 ore fields or districts...BALKHASH (PRIBALKHASH) REGION, KAZAKHSTAN, U.S.S.R. This is an outstanding region of Permo-Carboniferous |  | | Book | | "Broadly regarded, the depth to which a metalliferous region has been eroded affects its present characteristics...same manner in which detrital heavy minerals in placers are enclosed in the sediments with which they formed...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...about 120 Tt Pb, 476 t Au (much of it from gulch placers) and 2.5 Tt Ag, from about 15 ore fields or districts...BALKHASH (PRIBALKHASH) REGION, KAZAKHSTAN, U.S.S.R. This is an outstanding region of Permo-Carboniferous |  | | Book (edition) | | Zircon Cuprite Demantoid Diamond Fabulite Fluorite Gahnite Gahnospinel Galaxite GGG Gold Hessonite Katoite...Spinel Topaz Aquamarine Red Beryl Precious Beryl Gahnite Galaxite Painite Phenakite Emerald Andalusite Euclase...01 Gadolinite 4.00-4.65 Smithsonite 4.00-4.65 Gahnite 4.00-4.62 Legrandite 3.98-4.04 Ruby 3.97-4.05 Celestine...Fluorapatite Fluorite Forsterite Fuchsite Gadolinite Gahnite Garnet Gaylussite GGG Glass Golden beryl Goshenite...Uvarovite Purpurite Titanite YAG Zircon Cerussite Gahnite Spessartine Painite Monazite 2.03-2.05 2.013-2 |  | | Journal (article/letter/editorial) | | greenstone associations. Mining is mostly from eluvial placers and/or from deeply weathered primary deposits....pegmatite province, is summarized in Table 1. Alluvial and eluvial placer Concentrates, which form the...have been reported from other areas (e.g. Calabar district, southeastern Nigeria). The two major regions...also the type locality for 'nigerite', a Sn-rich gahnite first ,SOO1'E I 5 '05'E Ma178 MASSIVE PEGMATITE...Table 4): IJERO district = 1. ArlOG; 2, Ijign; 3. Ijita; 4, Ijiba; 5 , Ijima; EGBE district = 6. EglOG; 7 |  | | Journal (article/letter/editorial) | | September 2020 1276 NEW MINERAL NAMES River valley developed in Sanbagawa metamorphic sequence. The...economic significance in Pleistocene Snake River alluvial deposits of southeastern Idaho. Canadian Mineralogist...Cretaceous volcanic rocks and in associated alluvial placers near Mt Carmel, Kishon River, near Haifa,...the abandoned Plavno mine in the Jáchymov ore district, western Bohemia, Czech Republic. The uranium...carbonate triangles and 2 H2O groups in the equatorial region of a hexagonal bipyramid. Linkages between the |  | | Book (edition) | | Chromite Cuprite Demantoid Diamond Fabulite Fluorite Gahnite Gahnospinel Galaxite GGG Gold Garnet Grossularite...Topaz 8 Aquamarine 7%-8 Red Beryl Precious Beryl Gahnite Galaxite Painite 74-8 7%4-8 74-8 74-8 74-8 Chrysoprase...Povondraite Malachite Ferro-axinite Smithsonite Gahnite Legrandite Ruby Celestine Libethenite Ferrosilite...Hodgkinsonite Holtite Howlite Morganite Morion Muscovite Gahnite Garnet Gaylussite GGG Glass Golden bery| Goshenite...833-1.835 Zircon 1.810-2.024 Cerussite 1.804-2.079 Gahnite 1.791-1.818 Spessartine 1.790-1.820 Painite 1.787-1 |  | | Journal (issue) | | (samples of these crystals from kimberlites of this region were kindly submitted to the author by Yana Bao...the search for ruby deposits. For example, the placers of the Svetlinskoye Field in the Southern Urals...reveal the rubies. Our field crew worked in this region in 1986 and suggested that the geologists use an...as visible aggregates which are of interest fora region-mineralogical collection (crystals, dtuses of crystals...buserite, columbite (?), chromite, cryptomelane, gahnite,hercynite, hollandite, hibonite, ilmenite, kermesite |  | | Report (issue) | | --- _---- --- ------ _-Alluvial placers ________________________ _ Residual placers _______________________...·_____ -.,- ____________ _ Lodes and residual placers __________________ _ Bartow County ___ - ________________________...properties _______ :_ _______________ _ 4-11 uvial placers _________ -' ____ ~ __-_______ .. -: __ _ 105...________ ___ _____ . ______ _ Lodes and residual placers __ ___ ____ __ ______ _ _ Clay CountY---------------...Lowe---------- - -- - ~--- --- ------------- Placers ·(alluvial) _____ ____ _____ __ _____ ____ _ _ [ndex- |  | | Book | | misleading. Most tin is produced from secondary alluvial concentrations, and a high production rating may...primary ores. South East Asia, although similarly alluvial dominated, contains numerous major subcentres...rank provinces and the distortions created by alluvial concentration require consideration. In the absence...are:P. - Predominately Primary A. - Predominately Alluvial P.O. CPost-orogenic). Deposits associated with...(G?). TABLE 2.1 IMPORTANT STANNIFEROUS AREAS Region - Province (1) North America Seward Peninsula Alaska |  | Nokleberg, Warren J., Bundtzen, Thomas K., Dawson, Kenneth M., Eremin, Roman A., Goryachev, Nikolai A., Koch, Richard D., Ratkin, Vladimir V., Rozenblum, Ilya S., Shpikerman, Vladimir I., Frolov, Yuri F., Gorodinsky, Mary E., Melnikov, Vladimir D., Ognyanov, Nikolai V., Petrachenko, Eugene D., Pozdeev, Anany I., Ross, Katherina V., Wood, Douglas H., Grybeck, Donald, Khanchuk, Alexander I., Kovbas, Lidiya I., Nekrasov, Ivan Ya., Sidorov, Anatoly A. (1996) Significant metalliferous and selected non-metalliferous lode deposits and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera. Open-File Report Vol. 1996 (96-513) US Geological Survey doi:10.3133/ofr96513a | Report (issue) | | deposits and 158 significant placer districts of the region. This version of the report is issued on standard...Format) formats, and the mineral-deposit and placer district tables in dBase 3/4, FileMaker Pro 2.0, and tab-delineated...Petropavlovsk-Kamchatsky 8-Geological Committee of Amur Region, Blagoveshchensk 9-U.S. Geological Survey, Anchorage...Petropavlovsk-Kamchatsky; 8Geological Committee of Amur Region, Blagoveshchensk; 9-U.S. Geological Survey, Anchorage...deposits and 158 significant placer districts of the region. The tabular data are provided in Table I for significant |  | | Report (issue) | | deposits ______ -- __ --- ____ -_-_--Lacustrine placers ____ -----------------_ Ghana-----------------...rocks_--------Fluvial deposits ___ -----------_--------Beach placers __ -- ___ ---- ____ --------- __ China _______...sedimentary rocks_--------Fluvial placers __ ----------------------Beach placers __ -------- __ -----------...____ --------------Fossil placers _____ ----- ___________ _ Present stream placers _____________ _ Connecticut_____________...--------------Replacement deposits and veins._-- __ Placers---------------------------Shoshone, Latah, Clearwater |  | | Report (issue) | | dune a'baco nm a. trough (artesa) in which gold placers are washed | washtrough, huddle | graph, chart...fan | fan shaped workings or stopes | a. aluvial alluvial fan | a. de deyeccion talus fan, debris cone abarrancar...| [Col] a water filled excavation used to work placers abridura nf [Mex] enlargement (of a gallery) abrigo...regular form of a terrain | a. del terreno hills and valley | a. longitudinal parallelism of vertical folds...surface outcrop of veins or deposits aluvial adj alluvial aluvidn nm flood | alluvium, wash or silt | a |  | | Book | | 6.2 Formation of Placers . . . . . . . . . . . . . . . . . . . . . 3.6.3 Gold Placers . . . . . . . .... . . . . . . . . . . . . . . . . . 3.6.4 Gold Placers and Platinum-Group Minerals (PGM) . . . . . . ...3.6.5 Tin Placers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.6 Iron Placers . . . . ...smelting sites and metal workshops in a mining district in certain periods. This book focuses on ores...postulated again a development of metallurgy in a region in eastern Anatolia and northern Iraq, from where |
|
