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Uraninite from
Uranium deposit, Affeier, Obersaxen Mundaun, Surselva Region, Grisons, Switzerland


Locality type:Deposit
Classification
Species:Uraninite
Formula:UO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Uraninite data
Locality Data:Click here to view Uranium deposit, Affeier, Obersaxen Mundaun, Surselva Region, Grisons, Switzerland
Data Identifiers
Mindat Occurrence Record ID:1000787
Long-form Identifier:1:3:1000787:1
GUID (UUID V4):8f734f74-46e2-42eb-ace7-85e89778d284
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
LA-ICP-MS Uraninite U–Pb Dating and Genesis of the Datian Migmatite-Hosted Uranium Deposit, South China...LA-ICP-MS Uraninite U–Pb Dating and Genesis of the Datian MigmatiteHosted Uranium Deposit, South China...The Datian uranium deposit is a migmatite-hosted, high temperature, hydrothermal deposit in the Kangdian...Kangdian region. Detailed information on the chemical composition and formation age of the uraninite remains...impedes our understanding of uraninite genesis. Two phases of uraninite have been identified according
Journal (article/letter/editorial)
minerals Article Uraninite, Coffinite and Ningyoite from Vein-Type Uranium Deposits of the Bohemian...Abstract: Uraninite-coffinite vein-type mineralisation with significant predominance of uraninite over coffinite...Potůčky, Zálesí and Předbořice uranium deposits. These uranium deposits are hosted by faults that...Textural features and the chemical composition of uraninite, coffinite and ningyoite were studied using an...electron microprobe. Collomorphic uraninite was the only primary uranium mineral in all deposits studied
Journal (article/letter/editorial)
Article SIMS U-Pb Dating of Uraninite from the Guangshigou Uranium Deposit: Constraints on the Paleozoic...Paleozoic Pegmatite-Type Uranium Mineralization in North Qinling Orogen, China Guolin Guo 1, *, Christophe...Wu, B. SIMS U-Pb Dating of Uraninite from the Guangshigou Uranium Deposit: Constraints on the Paleozoic...Paleozoic Pegmatite-Type Uranium Mineralization in North Qinling Orogen, China. Minerals 2021, 11, 402. https://doi...of Uranium Resources Exploration and Evaluation Technology, Beijing Research Institute of Uranium Geology
Journal (article/letter/editorial)
minerals Article Uraninite, Coffinite and Brannerite from Shear-Zone Hosted Uranium Deposits of the Bohemian...presented for shear-zone hosted uranium mineralisation from selected uranium deposits that occur in the Bohemian...Bohemian Massif. The uranium mineralisation is in high-grade metamorphic rocks of the Moldanubian Zone...batholith and Bor pluton as complex uraninite–coffinite and uraninite–coffinite–brannerite assemblages....coffinites from the Rožná and Okrouhlá Radouň uranium deposits contain variable PbO (0–4.3 wt %), FeO
Journal (article/letter/editorial)
Hydrometallurgy Accessibility of Uraninite from Mianhuakeng Granite-Hosted Uranium Deposit, South China Jian Wang...surface chemical properties of uranium minerals is necessary to improve the uranium ore extracting process....accessibility of uraninite from the Mianhuakeng (MHK) granite-hosted uranium deposit, South China, which...composition, U–Th–Pb chemical age, and uranium deportment of the uraninite were systematically analyzed by using...results showed that uraninite was intergrowth with coffinite, probably due to uraninite being partly metasomatized
Journal (article/letter/editorial)
minerals Article Genesis of Megacrystalline Uraninite: A Case Study of the Haita Area of the Western...; Yao, J.; Guo, H. Genesis of Megacrystalline Uraninite: A Case Study of the Haita Area of the Western...cdut.edu.cn (M.Y.) Abstract: Megacrystalline uraninite (up to one centimeter in size) represents one...one of the most important discoveries in uranium mineralogy in the western margin of the Yangtze Block and...megacrystalline uraninite remains controversial. In this study, the megacrystalline uraninite found in the
Book
1: Introduction • Discovery and Exploitation of Uranium and Thorium ......... ......... ..... ...........Characteristics of Radioactive Deposits • Geochemistry of Uranium and Thorium ........................ 11 • Classification........................................... 29 Switzerland ...............................................intended to serve as an introduction to the world of uranium and thorium minerals for the serious student or...of radioactive elements and the development of uranium and thorium ore deposits. Next, the geochemical
Journal (article/letter/editorial)
minerals Article Uranium Deposits of Erlian Basin (China): Role of Carbonaceous Debris Organic Matter...Matter and Hydrocarbon Fluids on Uranium Mineralization Lin-Fei Qiu 1,2, *, Xi-De Li 2 , Wu-Sheng Liu 2 ...-D.; Liu, W.-S.; Hu, B.-Q.; Gao, L.; He, Z.-B. Uranium Deposits of Erlian Basin (China): Role of Carbonaceous...Debris Organic Matter and Hydrocarbon Fluids on Uranium Mineralization. State Key Laboratory of Nuclear...of Uranium Resource Exploration and Evaluation Technology, Beijing Research Institute of Uranium Geology
Journal (article/letter/editorial)
minerals Article Geochronology of Uraninite Revisited Loretta Corcoran * and Antonio Simonetti Department...  Abstract: Identification of uraninite provenance for the purpose of nuclear forensics...the potential sources of uraninite based on the geological setting of the uranium ore mineralization. The...discriminate geochemical signatures for natural uranium ores may help to potentially restrict geographical...provenance consideration. Determining a robust age for uraninite formation is somewhat difficult, due to well known
Journal (article/letter/editorial)
minerals Article Uraninite from the Guangshigou Pegmatite-Type Uranium Deposit in the North Qinling...Alteration and Implications for Post-Caledonian Uranium Circulation Bin Wu 1, *, Christophe Bonnetti 1... Y.-Q.; Yan, Z.-Y. Uraninite from the Guangshigou Pegmatite-Type Uranium Deposit in the North Qinling...Alteration and Implications for Post-Caledonian Uranium Circulation. Minerals 2021, 11, 729. https://doi...© 2021 by the authors. Licensee MDPI, Basel, Switzerland. State Key Laboratory of Nuclear Resources and
Report (volume)
Rocks in the the Association of Materials with Uranium and Deposits in Sedimentary United States By LEONARD...LEONARD j. SCHMITT A survey of stratabound uranium and other metal deposits in the United States to...the association of petroliferous materials with uranium and other metal deposits in sedimentary rocks in...3:1798 1. Petroleum-Geology-United States. 2. Uranium-United States. 3. Rocks, Sedimentary. I. Title...Present investigation 3 Acknowledgments 3 Geology of uranium districts or deposits that show positive associations
Journal (article/letter/editorial)
Article Uranium Mineralogical and Chemical Features of the Na-Metasomatic Type Uranium Deposit in the...sulfide (Pt) deposit and is also an important uranium metallogenic belt. The Jiling uranium deposit in this...Na-metasomatic uranium deposit, which rarely occurs in China. Mineralization in the Jiling uranium deposit is hosted...alteration. There are three kinds of uranium minerals, including uraninite, pitchblende, and coffinite in the...the Jiling uranium deposit. Pitchblende is the predominant uranium mineral. Integrating the mineralogy
Journal (article/letter/editorial)
Geochemical, Isotopic, and Mineralogical Compositions of Uranium-Rich Samples Loretta Corcoran 1, * , Antonio Simonetti...23) of pristine (>80 wt. % UO2 ) and altered uraninite samples (>70–80 wt. % UO2 ) from various locations...forensic analysis. The characterization of the uraninite samples included determination of major, minor...intrusive, granite and unconformity) of pristine uraninite can be readily identified utilizing various combinations...compositions. Keywords: uraninite; principal component analysis; nuclear forensics; uraninite provenance 1. Introduction
Journal (article/letter/editorial)
collection of uranium minerals. Uraninite (Cook 2004) and several of the most common secondary uranium minerals...most attractive and certainly collectible of all uranium minerals, cuprosklodowskite, has been suggested...widespread though generally rare mineral found in uranium occurrences in which copper minerals are intimately...partial oxidation either by alteration of earlier uranium minerals or from transport in solution. Associated...in western states, generally in sediment-hosted uranium deposits, have been described. Small crystals,
Journal (article/letter/editorial)
minerals Article Alteration of Granitoids and Uranium Mineralization in the Blatná Suite of the Central...Variscides. Hydrothermal uranium mineralization evolved in the small uranium deposits Nahošín and Mečichov...The purpose of presented study is description of uranium mineralization bounded on brittle shear zones,...granitic rocks. Uranium mineralization, formed predominantly of coffinite, rare uraninite, and thorite,...coffinite is enriched in Y (up to 3.1 wt % Y2 O3 ). Uraninite is enriched in Th (up to 9.8 wt % ThO2 ) and thorite
Journal (article/letter/editorial)
In-situ SIMS uraninite U–Pb dating and genesis of the Xianshi granite-hosted uranium deposit, South China...You-Wei Chen a a State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese...Keywords: Granite-hosted Xianshi uranium deposit South China Uraninite (U3O7) SIMS U–Pb geochronology ...numerous granite-hosted vein-type hydrothermal uranium deposits. The geology and geochemistry of these...and precise ages for the uranium mineralization are scarce because the uranium minerals in these deposits
Journal (article/letter/editorial)
Sources of Rare Earth Elements in the Rožná Uranium Deposit, Czech Republic Bohdan Kříbek 1, *, Ilja Knésl...Sources of Rare Earth Elements in the Rožná Uranium Deposit, Czech Republic. Minerals 2022, 12, 690. https://doi...Rožná uranium deposit in a quartz–carbonate–sulfide vein, which is a part of the late (post-uranium and...thought to have predominantly been uranium minerals (coffinitized uraninite and coffinite) that form a part...of REEs in the uranium deposits in general. Keywords: synchysite; silica gel; uranium mineralization;
Journal (article/letter/editorial)
163 Review Oxidation–hydration weathering of uraninite: the current state-of-knowledge Jakub Plášil Institute...plasil@fzu.cz Oxidation–hydration weathering of uraninite, the most common U-bearing mineral in nature,...structure of uraninite where U is present as tetravalent. This results in replacement of uraninite by weathering...knowledge of such processes and stabilities of the uranium minerals is of the great interest namely due to...summarize the state-of-art of the current knowledge on uranium-related topics as well and identify some of the
Journal (article/letter/editorial)
of shear zone-hosted uranium mineralisation at the Zadní Chodov uranium deposit (Bohemian Massif) T...A B S T R A C T Keywords: Brannerite Graphite Uranium Organic matter Bohemian Massif Micro-Raman spectroscopy...spectroscopy Samples from the Zadní Chodov uranium deposit of the Bohemian Massif were analysed using optical...conditions that prevailed in association with uranium-enriched shear zones. Four major events are known...with the formation of shear zones. During the uranium ore deposition stage, temperatures ranged from
Book
Doynikova Uranous Mineralogy of Hypergene Reduction Region Using electron microscopy data Springer Mineralogy...Doynikova Uranous Mineralogy of Hypergene Reduction Region Using electron microscopy data Olga Alexandrovna...org/10.1007/978-3-030-67183-9 © Springer Nature Switzerland AG 2021 This work is subject to copyright. All...Nature Switzerland AG. The registered company address is: Gewerbestrasse 11, 6330 Cham, Switzerland In...creator of the classification of oxidation zones of uranium deposits, researcher-romantic, passionate about
Journal (article/letter/editorial)
Mineralogy of Uranium Deposits from Mount Isa, Australia: Implications for Albitite Uranium Deposit Models Andy...are presented for albitite-type uranium deposits of the Mount Isa region of Queensland, Australia. Early...K-feldspar, biotite, coffinite, brannerite, rare uraninite, ilmenite and rutile. An unusual U-Zr phase has...which exhibits continuous solid solution with a uranium silicate possibly coffinite or nenadkevite. Calcite...vein-controlled uranium is mirrored in other examples of the deposit type. The association of uranium with F-rich
Book
n ce Franz J. Dahlkamp Uranium Deposits of the World Europe 123 Uranium Deposits of the World Europe...Europe Franz J. Dahlkamp Uranium Deposits of the World Europe With 327 Figures and 94 Tables Author:...the contributions of his many associates in the uranium industry, national and international institutions...Ball (UK), I. Benkovics (Hungary), F. Bianconi (Switzerland), J. R. Blaise (Spain), A. V. Boytsov (Russia)...discussing and formulating characteristics of uranium-specific granites and their magmatic evolution
Journal (article/letter/editorial)
history of coffinite and uraninite from the Liueryiqi granite-hosted uranium deposit, SE China Maozhong Mina...Earth Sciences, State Key Laboratory of Mineral Deposit Research, Nanjing University, Nanjing 210093, People’s...Coffinite and uraninite banded aggregates from the Liueryiqi granite-hosted uranium deposit, SE China, form...These aggregates consist of concentric bands of uraninite and coffinite that range in thickness from 1 to...indicate that coffinite and uraninite contain Ca and Al impurities. Altered uraninite, feldspar, quartz or pyrite
Journal (article/letter/editorial)
July 2016 # Springer-Verlag Wien 2016 Abstract Uraninite, besides occurring in other modes, occurs as inclusions...in albite in feldspathic schist in the Bagjata uranium deposits, Singhbhum shear zone, India. The feldspathic...in the alteration halo in albite surrounding uraninite. Here we report radiation damage-controlled localization...dissolution of uraninite during alteration. In well-preserved alteration haloes, from uraninite to the unaltered...sulfide mineralization/mobilization in the Bagjata deposit. The alteration process also involved interaction
Journal (article/letter/editorial)
andPetrology, University ofLausanne, CH 1015Lausanne, Switzerland JANJEHLI•KA, Institute ofMineralogy, Geochemistry...Abstract ThelateVariscan (275-278Ma)Pffbram uranium deposit isoneofthelargest knownaccumulations ofuraniferous...matteryieldisverylowin uranium-free bitumens (0.30-0.35% of thetotalorganic carbon,TOC) and decreaseswith uranium contentincrease...Theliquidpyrolysate yielddecreases significantly withincreasing uranium content. The81•Cvalues of bulkuranium-free bitumens...are heavier compared withthesamecompounds in a uranium-free sample (813C = -31.9to-33.8ø/•). It isproposed
 
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