 | Yuan, Feng, Jiang, Shao-Yong, Liu, Jiajun, Zhang, Shuai, Xiao, Zhibin, Liu, Gang, Hu, Xiaojia (2019) Geochronology and Geochemistry of Uraninite and Coffinite: Insights into Ore-Forming Process in the Pegmatite-Hosted Uraniferous Province, North Qinling, Central China. Minerals, 9 (9) 552 doi:10.3390/min9090552 | Journal (article/letter/editorial) | | Geochronology and Geochemistry of Uraninite and Coffinite: Insights into Ore-Forming Process in the Pegmatite-Hosted...is predominant and ubiquitous ore mineral and coffinite is common alteration mineral after initial deposit... A comprehensive survey of the uraninite and coffinite assemblage of the Chenjiazhuang, Xiaohuacha, and...group), uranite-B (low Th-high U, Y group), and coffinite (high Si, Ca-low U, Pb group). Petrographic and...(e.g., pyrite) leading to reprecipitation of coffinite. This process represents a regional and extensive |  | | Journal (article/letter/editorial) | | granitic gneiss, which is locally associated with amphibolite and granulite. Migmatite, argillaceous gneiss...migmatized amphibolite, brecciated migmatite, and hornblende plagiogneiss, with local amphibolite veins....migmatized amphibolite, brecciated 4migmatite, and hornblende plagiogneiss, with local amphibolite veins....plagioclase amphibolite and plagioclase amphibolite gneiss, and their protolith is plagioclase amphibolite and...and plagioclase amphibolite gneiss, and their protolith is mafic mafic magmatic rocks [18]. (ii) The second |  | Staude, Sebastian, Werner, Wolfgang, Mordhorst, Teresa, Wemmer, Klaus, Jacob, Dorrit E., Markl, Gregor (2012) Multi-stage Ag–Bi–Co–Ni–U and Cu–Bi vein mineralization at Wittichen, Schwarzwald, SW Germany: geological setting, ore mineralogy, and fluid evolution. Mineralium Deposita, 47 (3) 251-276 doi:10.1007/s00126-011-0365-4 | Journal (article/letter/editorial) | | vein mineralization at Wittichen, Schwarzwald, SW Germany: geological setting, ore mineralogy, and fluid...Co–Ag–Bi–U mining area (Schwarzwald ore district, SW Germany) hosts several unconformity-related vein-type mineralizations...Universität Tübingen, Wilhelmstrasse 56, 72074 Tübingen, Germany e-mail: markl@uni-tuebingen.de W. Werner Regierungspräsidium...Bergbau (LGRB), Albertstr. 5, 79104 Freiburg i. Br., Germany U–Bi, Bi–Ag, Ni–As–Bi and Co–As–Bi. Important...Göttingen, Goldschmidtstr. 1-3, 37077 Göttingen, Germany Keywords Bi–Co–Ni–Ag–U vein mineralization . Schwarzwald |  | | Journal (article/letter/editorial) | | distributions within the products. At greenschist/amphibolite facies, rims of secondary Y-rich apatite and... (T-33) has been affected by greenschist to amphibolite facies metamorphism probably of Permian or Cretaceous...substitution vector. The thorite (ThSiO4) or coffinite (USiO4) component in the xenotime is analogous...(Fig. 2A) indicates the presence of both the coffinite and brabantite molecules in xenotime; this being...the coffinite molecule (compare Fig. 2B and C). By contrast in monazite, the huttonite (coffinite) and |  | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book | | Figures) 418 Uranium Occurrences of Bavaria, Germany (With Emphasis on the Bavarian Pfahl of the Altrandsberg...Associated Minerals in the Northwestern Odenwald, Germany M. Fettel (With 1 Figure) . . . . . . . . . . ...Studies in Uranium Occurrences of the Odenwald, West Germany S. Meisl and W. Posch! (With 7 Figures) . . . ...and uraninite, small amounts of thucholite and coffinite have been identified. Oxidized uranium minerals...from dolomites of the same age in the Eifel, W. Germany. Similar features are described not only by Lagny |  | Amstutz, G. C., Goresy, A. EI, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis - The State of the Art - A Volume in Honour of Professor Paul Ramdohr on the Occasion of His 90th Birthday With Special Reference to His Main Scientific Interests - Special Publication of the Society for Geology Applied to Mineral Deposits No. 2. Springer Berlin Heidelberg. | Book | | Figures) 418 Uranium Occurrences of Bavaria, Germany (With Emphasis on the Bavarian Pfahl of the Altrandsberg...Associated Minerals in the Northwestern Odenwald, Germany M. Fettel (With 1 Figure) . . . . . . . . . . ...Studies in Uranium Occurrences of the Odenwald, West Germany S. Meisl and W. Posch! (With 7 Figures) . . . ...and uraninite, small amounts of thucholite and coffinite have been identified. Oxidized uranium minerals...from dolomites of the same age in the Eifel, W. Germany. Similar features are described not only by Lagny |  | | Report (volume) | | Fair Day mine, Jamestown district_ 28, 29 8-10. Coffinite-pitchblende ore from the Fair Day mine, Jamestown...Range____ 4. Quantitative spectrochemical analyses of coffinite from Fair Day -and Copper King mines, Front Range_______...uranium minerals are dominantly pitchblende and coffinite but include uranothorite, uraniferous hydrocarbon...variety of uraninite, is the principal ore mineral. Coffinite, a uranous silicate, is known from several deposits...interstices of breccias. Generally both pitchblende and coffinite were deposited early in the vein-forming sequence |  | Lecomte, Andreï, Cathelineau, Michel, Deloule, Etienne, Brouand, Marc, Peiffert, Chantal, Loukola-Ruskeeniemi, Kirsti, Pohjolainen, Esa, Lahtinen, Hannu (2014) Uraniferous bitumen nodules in the Talvivaara Ni–Zn–Cu–Co deposit (Finland): influence of metamorphism on uranium mineralization in black shales. Mineralium Deposita, 49 (4) 513-533 doi:10.1007/s00126-013-0502-3 | Journal (article/letter/editorial) | | tectonothermal evolution of black shales to amphibolite facies pressure–temperature (P–T) conditions... and mediumgrade metamorphism (lower to mid-amphibolite facies) during the 1.9–1.79 Ga Svecofennian Orogeny...undergone medium-grade metamorphism (lower to mid-amphibolite facies) and are mainly composed of quartz, micas...excimer laser (ArF, 193 nm, Microlas, Göttingen, Germany) associated with an Agilent 7500c quadrupole ICP-MS...chalcopyrite, Ur uraninite, C carbonaceous matter, Cof coffinite. Red dots correspond to electron microprobe data |  | Kříbek, Bohdan, Žák, Karel, Dobeš, Petr, Leichmann, Jaromír, Pudilová, Marta, René, Miloš, Scharm, Bohdan, Scharmová, Marta, Hájek, Antonín, Holeczy, Daniel, Hein, Ulrich F., Lehmann, Bernd (2009) The Rožná uranium deposit (Bohemian Massif, Czech Republic): shear zone-hosted, late Variscan and post-Variscan hydrothermal mineralization. Mineralium Deposita, 44 (1) 99-128 doi:10.1007/s00126-008-0188-0 | Journal (article/letter/editorial) | | Hein Octavia AG, Marie-Calm Str. 1, 34131 Kassel, Germany B. Lehmann Institute of Mineralogy and Mineral...Adolph Roemer Str. 2A, 38678 Clausthal-Zellerfeld, Germany 100 indicates extensive interaction with crystalline...both in the Czech Republic and bordering eastern Germany (Fig. 1). The total historical uranium production...unit Biotite gneiss Gfohl ¨ unit Biotite gneiss Amphibolite kov ian tul s i ov nd un orela r B F Bos ...garnet) Muscovite-biotite migmatite Serpentinite Amphibolite ¨ Unit Gfohl Fine- to medium-grained biotite |  | | Book | | Hartenstein Germany a.hiller@wismut.de Dr. Manfred Schauer Am Hexenberg 8 09224 Chemnitz Germany Günter...Florastraße 17 09131 Chemnitz Germany Udo Zimmermann Am See 16b 01796 Pirna Germany ISBN: 978-3-540-78553-8 ISBN...(Hungary), H. J. Förster (Germany), R. Fritsche (Germany), A. Hiller (Germany), J. Hruby (Czech Republic)... Bojkov (Bulgaria), H. Schleicher (Germany), W. Schuppan (Germany), A. Steenfelt (Denmark/Greenland)...291 324 327 331 332 333 333 333 334 Chapter 7 Germany . . . . . . . . . . . . . . . . . . . 7.1 Erzgebirge |  | | Journal (article/letter/editorial) | | solutions in the system thorite–xenotime–zircon–coffinite H.-J. Förster * University of Potsdam, Institute...Earth Sciences, P.O. Box 601553, D-14415 Potsdam, Germany Received 4 January 2005; accepted 16 August 2005...solutions of the tetragonal thorite–xenotime–zircon–coffinite mineral group with partially novel compositions...exist between thorite and xenotime, thorite and coffinite, and Y–HREE-bearing thorite and zircon. Complex...B.V. All rights reserved. Keywords: Thorite; Coffinite; Zircon; Xenotime; Thorbastnäsite; Bastnäsite-(Y); |  | | Journal (article/letter/editorial) | | The alteration is related to high-pressure amphibolite-facies (10–11 kbar and 587–695 °C) fluid-induced...formation of fluor-apatite, allanite, huttonite and coffinite from monazite and the immobility of REE, U and...(huttonite ? coffinite), and epidote. The alteration can be related to high-pressure amphibolite-facies fluid-induced...element–rich monazite is unstable at high-pressure amphibolite-facies conditions and undergoes fluid-induced...kbar; 580 ± 50 °C) in the eastern parts and amphibolite-facies conditions (9 ± 3 kbar, 630 ± 50 °C) in |  | | Journal (article/letter/editorial) | | often strongly altered to coffinite, followed by minor fibrous coffinite forming in veins. Uranyl minerals...lake fault. Keywords: Uraninite, uranophane, coffinite, haiweeite, uranium deposits, Athabasca Basin...fluid circulation events to secondary uraninite, coffinite, becquerelite, and other uranium species. Minimal...grade ranges from upper greenschist to lower amphibolite; retrograde greenschist assemblages are widespread...of calcite (Fig. 4). A minor amount of fibrous coffinite was detected by SEM (Fig. 3G). It seems to have |  | | Report (issue) | | ESTONIA ETHIOPIA FIJI FINLAND FRANCE GABON GEORGIA GERMANY GHANA GREECE GUATEMALA GUYANA HAITI HOLY SEE HONDURAS...inspired by the work of the late F.J. Dahlkamp (Germany), fondly remembered as the uranium guru and who...(Příbram region, Czech Republic; Niederschlema Germany). Type 3. Polymetallic iron oxide breccia complex...USA); Subtype 12.2. Fracture-controlled (Freital, Germany; Turakavak, Kyrgyzstan). Type 13. Carbonate: Subtype...USA); Subtype 15.2. Stockwork (Ronneburg district, Germany; Dzhantuar, Uzbekistan). The names of most deposit |  | Forster, H.-J., Rhede, D., Tischendorf, G. (2004) Mineralogy of the Niederschlema–Alberoda U–Se–polymetallic deposit, Erzgebirge, Germany. i. jolliffeite, NiAsSe, the rare Se-dominant analogue of gersdorffite. The Canadian Mineralogist, 42 (3) 841-849 doi:10.2113/gscanmin.42.3.841 | Journal (article/letter/editorial) | | ALBERODA U–Se–POLYMETALLIC DEPOSIT, ERZGEBIRGE, GERMANY. I. JOLLIFFEITE, NiAsSe, THE RARE Se-DOMINANT ANALOGUE...Potsdam, Germany DIETER RHEDE GeoForschungsZentrum Potsdam, Telegrafenberg, D-14473 Potsdam, Germany GERHARD...TISCHENDORF Bautzner Strasse 16, D-02763 Zittau, Germany ABSTRACT The Niederschlema–Alberoda uranium deposit...deposit, in the Erzgebirge region of Germany, contains an uncommon assemblage of metallic minerals, in...native elements, in addition to uraninite and coffinite. The complex mineralogy resulted from the superposition |  | | Journal (article/letter/editorial) | | monazite,and zircon. High-temperature (lower amphibolite facies) hy- Lower Aphebian: the Easter Island...proustite were identified with certainty and Coffinite is found as rims to much of the uraninite. smallblebsof...Island quartz or siliceousfluids reactedto form coffinite. There are problemswith the observationsin the...Ioellingiteand bis- uraninite muthinite and coffinite involved reduction of U +ø. have been identified...hytic phasesand uraninite q- Si solution '-> coffinite. We are not actinolite veins, all with strongly |  | | Journal (article/letter/editorial) | | mineralization in aplite-pegmatoid granites, 9) sulfide-coffinite-pitchblende mineralization in low-temperature...low-temperature metasomatites, 11) infiltration-type coffinite-uranium black mineralization in coal-bearing Paleogene... The secondary fracture-infiltration ores of coffinite-uranium black composition can some times be worked...main genetic types* [8, 9, 10]. Infiltration coffinite-uranium black min eralization of Cenozoic age...concentrations of various types. Hydrothermal sulfide-coffinite-pitchblende dispersed veinlet mineralization of |  | | Report (issue) | | autuniterbut ore at depth consists of pitchblende and coffinite with abundant pyrite and marcasite. Uranium minerals...important deposits occur in calc-silicate hornfels. Amphibolite sills and mid-Tertiary dacite dikes locally.carry...piubabli.) Odgocizniz Porphyntic quartz nonzonita Amphibolite Hi If'/', and sills, - Contact, doshed whera...more distant from the intrusion. Dark-green amphibolite bodies, generally conformable to bedding, are...explanation for the observed geometry is that the amphibolite acted as a strong body during deformation and |  | | Journal (article/letter/editorial) | | contains no roundingmatrix, suchas sootypitchblende,coffinite, cobalt. or gangue(Figs. 11 and 12). Millerite...reflectivity,probably denotingseveralgenerations. 14A Coffinite occurs mainly with sooty pitchblende, commonlypseudomorphing...outer shapeas well as the shrinkage cracks. This coffinite must be regarded as secondaryafter sooty pitchblende...diameter)oftenzonedwith a core of sootypitchblende,coffinite,chlorite,or other gangue(Fig. 12). Millerite developsgood...kaolinite-mylonite ma- I is brokenup andthecracksarefilledwith coffinite, andgalena;andquartzgrainsof the Athatrix show |  | | Journal (article/letter/editorial) | | com/locate/oregeorev Petrography and genetic history of coffinite and uraninite from the Liueryiqi granite-hosted...2004 Available online 1 February 2005 Abstract Coffinite and uraninite banded aggregates from the Liueryiqi...consist of concentric bands of uraninite and coffinite that range in thickness from 1 to 10 Am. Electron...Electron microprobe analyses indicate that coffinite and uraninite contain Ca and Al impurities. Altered...mineralizing fluids resulted in the formation of the coffinite–uraninite intergrowth-banded aggregates. The precipitating |  | | Book | | .......................................... 30 Germany .................................................in several countries, including: AVR in Julich, Germany; Peach Bottom and Fort St. Vrain in the US; Dragon...uranium mines in Western Europe remained closed. In Germany about 200 tU were recovered from mine rehabilitation...vein deposits the primary uranium mineral is coffinite, U(SiO4 ) 1 _JOH) 4x· Within the pegmatites, uranium...thorianite-uraninite in marble, as masses of lime-rich amphibolite ("metapyroxenite") near intrusive contacts. In |  | | Journal (article/letter/editorial) | | Eocene Wasatch Formation: autunite, carnotite, coffinite, schroeckingerite. tyuyaniunite, uraninite (variety...Eocene Wind River Formation: autunite, carnotite, coffinite, schroeckingerite, tyuyamunite, uraninite (variety...Exeter] at 00:52 01 June 2016 Converse County Amphibolite dikes of igneous origin (secs. 5,6. and 19, T...Douglas on State 91: nephrite jade (within the amphibolite dikes, Laramie Mountains) (Sherer I969). Deer...and Susquehanna-Western:autunite, carnotite, coffinite, “gummite.” liebigite. schroeckingerite, tyuyamunite |  | | Journal (article/letter/editorial) | | ore-forming minerals (uranotitanates, silicates (coffinite or nenadkevite), uraninite, and pitchblende)....Intensely metamor phosed formations of the amphibolite and granulite facies of metamorphism with indications...Quartzcarbonate vein zones Metamorphosed formations of amphibolite fades of metamorphism In spatial connection...Intensely metamor phosed formations of the amphibolite and granulite facies of metamorphism with subsequent...Segregated-veinlet and veinlet Duorite-pitchblende, coffinite, and titanium ores usually with commercial amounts |  | Padhi, Ajoy Kumar, Mukherjee, Mrinal Kanti, Tripathi, Brajesh Kumar, Pande, Dheeraj, Bisht, Balbir Singh, Sarkar, Bhabesh Chandra (2023) Polymetallic Uranium Mineralisation in Rohil, Rajasthan, Western India: Insights from Mode of Occurrences, Structural Controls, Alteration Geochemistry and Exploration. Minerals, 13 (4) 555 doi:10.3390/min13040555 | Journal (article/letter/editorial) | | Late: Uraninite, haematite, dolomite chlorite, coffinite, quartz, galena, pyrite, Cu-sulphides Loss: Si...aegirine, calcite, hematite, Late U: uraninite, coffinite, calcite, dolomite, biotite, Fe oxides, chlorite...chlorite–albitite, uraninite, brannerite, pitchblende, coffinite Loss: Si Gain: Na, Fe, U, Ti 1.808 ± 0.027 ...haematite, davidite, nenadkevite, pitchblende, coffinite Loss: Si Gain: Na, Mg, Fe, U 1.80–1.75 [19]...45, 0.054% Deformed granite, augen gneiss, amphibolite Na- metasomatism Albite, calcite, apatite, chlorite |  | Guimarães, Frederico Sousa, de Freitas, Monica Elizetti, Rios, Francisco Javier, Pedrosa, Tércio Assunção (2019) Mineralogical characterization and origin of uranium mineralization in Witwatersrand-like metaconglomerate of the Moeda Formation, Quadrilátero Ferrífero, Brazil. Ore Geology Reviews, 106. 423-445 doi:10.1016/j.oregeorev.2019.01.016 | Journal (article/letter/editorial) | | minor Hg. Uranium minerals include uraninite, coffinite, brannerite and uranyl arsenates. An early generation...to a low-temperature hydrothermal overprint. Coffinite and late-stage brannerite are products of hydrothermal...Ferrífero increases eastwards from greenschist to amphibolite facies (Herz, 1978). The Gandarela syncline is...rounded and locally overgrown by xenotime II and coffinite. Organic matter typically forms nodules that are...of alteration to coffinite (Alexandre and Kyser, 2005). This uraninite-to-coffinite alteration is stronger |
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