 | Pašava, J., Veselovský, F., Drábek, M., Svojtka, M., Pour, O., Klomínský, J., Škoda, R., Ďurišová, J., Ackerman, L., Halodová, P., Haluzová, E. (2015) Molybdenite-tungstenite association in the tungsten-bearing topaz greisen at Vítkov (Krkonoše-Jizera Crystalline Complex, Bohemian Massif): indication of changes in physico-chemical conditions in mineralizing system. Journal of GEOsciences, 60 (3) 149-161 | Journal (article/letter/editorial) | | Eva Haluzová2 1 Czech Geological Survey, Klárov 3/131, 118 21 Prague 1, Czech Republic; jan.pasava@geology...Geology of the Czech Academy of Sciences v.v.i., Rozvojová 269, 165 00 Prague 6, Czech Republic * Corresponding...Pobiedna 4 – Krobica 5 – Gierczyn 6 – Rebiszów Quartz– topaz greisen 15° 50’E 50° 30’N 16° 0’E Fig...Detailed geological map of the Vítkov and Růžek quartz–topaz greisen localities. 150 Mo–W mineralization...locally intensely metasomatized rocks containing quartz and topaz with white mica, tourmaline, traces of |  | | Journal (article/letter/editorial) | | University in Prague, Albertov 6, 12843 Praha 2, Czech Republic Institute of Hydrogeology, Engineering Geology...University in Prague, Albertov 6, 12843 Praha 2, Czech Republic a r t i c l e i n f o Article history: Received...classifications. All the outcrops of granites in the KHEB region and their hidden continuation are confined to the...stratiform tin deposit in the Freiberg polymetallic ore district. We constructed a geological model based on the...Mo (rare metal) deposits of greisen, skarn and quartz vein type occur in a close spatial association |  | | Journal (article/letter/editorial) | | Pekelný vrch hill near Jihlava (Moldanubicum, Czech Republic) Lenka Losertová* a Zbyněk Buřival Ústav geologických...(Praha) 23, 2, 201-207. ISSN 1211-0329. Abstract Quartz-muscovite greisen veins up to several meters thick...migmatites at Pekelný vrch near Jihlava, Czech Republic. Quartz-muscovite greisen contains primary scheelite...Small muscovite veinlets occur in the granite, quartz-fluorite veinlets occur in the migmatites. Both...veinlets are close to the quartz-muscovite greisen. Primary scheelite in quartz-muscovite greisen veins |  | | Journal (article/letter/editorial) | | shallow-intrusive textures are composed almost entirely of quartz and of topaz (Johannson, 1932); ii) late-stage...rhyolites ro and granites, and greisen-, pegmatite-, quartz-type veins; and iii) cavities formed by the release...Phenocrysts of topaz, K-feldspar and mica in a quartz-feldspar-topaz groundmass, within ongonite from...biotite (Congdon and Nash, 1991); (D) Phenocrysts of quartz, alkali feldspar, and topaz in the rhyolite dikes...preferred orientation (flow texture), of and two quartz phenocrysts (Haapala, 1997); (F) Topazite dike |  | | Journal (article/letter/editorial) | | Journal of the Czech Geological Society 51/34(2006) 201 The nature and genesis of greisen stocks at...Krásno, Slavkovský les area western Bohemia, Czech Republic Stavba a geneze greisenových pòù u Krásna n...JARCHOVSKÝ Hlohová 44, CZ-106 00 Prague 10, Czech Republic, tel. +420272651170; e-mail: tj2@volny.cz Apical...mineralization have been explored and exploited at the Czech and German parts of the Kruné hory/Erzgebirge Mts...the Slavkovský les area. 202 Journal of the Czech Geological Society 51/34(2006) presence of feldspar-enriched |  | | Journal (article/letter/editorial) | | exhalation-sedimentary massive sulfide deposits in the Tongling district, Anhui Province—Xu Wenyi, Hou Zengqian, Yang Zhusen...wolframite-bearing greisen in the Vykmanov granite stock, Western Krušné hory pluton (Czech Republic)— M. Štemprok, E...Langrová Hydrothermal mineralization at Domašov nad Bystricí in the Nízký Jeseník Uplands—J. Zimák,...Eric W. Mountjoy 101 BULLETIN OF GEOSCIENCES, CZECH GEOLOGICAL SURVEY Vol. 80, No. 2, 2005 Oxygen isotope...Podlesí granite system, Krušné hory Mts., Czech Republic—K. Žák, M. Pudilová, and K. Breiter Fluid |  | | Journal (article/letter/editorial) | | No. 2, pp. 23–34. BiRich Fluid Inclusions in Quartz from Zwitter Related to Li–F Granite in the Severny...the basis of fluid inclusion research of zwitter quartz. Fluid inclusions, which contain Bi oxyhalogenide...represents results of fluid inclusion study of quartz from finegrained greisen (zwitter) genetically...of the Severny (Northern) pluton in the Chaun district, Chukchi Peninsula are reported. In particular...massive mica varieties and (ii) leuco cratic quartz and quartz–topaz varieties; both were the objects of |  | | Journal (article/letter/editorial) | | v. v. i., Rozvojová 269, CZ-165 00 Praha 6, Czech Republic a r t i c l e i n f o Article history: Received...about 10 Ma (about 330–320 Ma) over the entire region of the Krušné hory. Several peraluminous rhyolitic...anticlinorium, elongated in the NE–SW direction along the Czech–German border, is part of the Saxothuringicum (Hoth...the present erosion surface (biotite diorites to quartz monzonites, “redwizites” according to Kovaříková...intrusive complex, OIC-S) are spread throughout the region. They are mostly medium- to coarse-grained biotite |  | Wang, Guoqiang, Li, Xiangmin, Zhang, Dongliang, Yu, Jiyuan, Liu, Yujie (2021) Genesis of the Yingzuihongshan Tungsten Deposit, Western Inner Mongolia Autonomous Region, North China: Constraints from In Situ Trace Elements Analyses of Scheelite. Minerals, 11 (5) 510 doi:10.3390/min11050510 | Journal (article/letter/editorial) | | Tungsten Deposit, Western Inner Mongolia Autonomous Region, North China: Constraints from In Situ Trace Elements...Tungsten Deposit, Western Inner Mongolia Autonomous Region, North China: Constraints from In Situ Trace Elements...tungsten deposit in western Inner Mongolia Autonomous Region, China. The contents of trace elements Nb, Ta and...that the Yingzuihongshan tungsten deposit is the quartz-vein-hosted tungsten type that is genetically associated...Gudongjing Group: phylite, slate, quartzite, and sercite-quartz schist, intercalated with marble; 9granite; 10granodiorite; |  | Li, Xiao-Yu, Gao, Jian-Feng, Zhang, Rong-Qing, Lu, Jian-Jun, Chen, Wen-Hui, Wu, Jin-Wei (2018) Origin of the Muguayuan veinlet-disseminated tungsten deposit, South China: Constraints from in-situ trace element analyses of scheelite. Ore Geology Reviews, 99. 180-194 doi:10.1016/j.oregeorev.2018.06.005 | Journal (article/letter/editorial) | | involved scheelite ± wolframite ± molybdenite + quartz veinlet and disseminated mineralization, whereas...resulted in scheelite + quartz + sericite veinlet mineralization. Sulfide and quartz + calcite ± pyrite veinlets...Province (Fig. 1b). Late Triassic granitoids in this district include the Taojiang granodiorite pluton, the...239 km2, is the largest granitic pluton in the district, and was emplaced at ∼217 Ma (Wang et al., 2012)...Phenocrysts with grain sizes of 0.2–3.0 mm comprise quartz (30–40 vol %), K-feldspar (30–40 vol%), plagioclase |  | Gourcerol, B., Gloaguen, E., Melleton, J., Tuduri, J., Galiegue, Xavier (2019) Re-assessing the European lithium resource potential – A review of hard-rock resources and metallogeny. Ore Geology Reviews, 109. 494-519 doi:10.1016/j.oregeorev.2019.04.015 | Journal (article/letter/editorial) | | 1 30 Beauvoir in France, Cinovec in the Czech Republic) and greisen (Cligga Head, Tregonning- 31...the European 84 Community (France, Austria, Czech Republic, Spain, Finland…) to assess their own mineral...2A), the Sejby and Homolka granites in the Czech Republic, 127 the Chavence and Les Châtelliers granites... and are composed of variable 152 amounts of quartz, plagioclase, potassium feldspar, micas, with various...their upper part being a 170 porous muscovite-quartz assemblage at the granite/host-rock contact. They |  | Amuda, Abdulgafar Kayode, Li, Shuang, Yang, Xiaoyong, Cao, Jingya, Faisal, Mohamed (2022) Genetic Association between Granites and Mineralization at the Gindi Akwati Cassiterite–Sulfide Deposit, North-Central Nigeria: Insights from Mineralogy, Fluid Inclusions, and Sulfur Isotopes. Minerals, 12 (6) 761 doi:10.3390/min12060761 | Journal (article/letter/editorial) | | within quartz veins and greisenized Precambrian Older Granite around the Gindi Akwati region at the Ropp...Cu) locally within the greisenized granites and quartz veins. The redox potential of the ores probably...sulfides at the surface. The alteration mineralogy (quartz-, topaz-, lepidolite-, and fluorite-bearing assemblages)...petrogenesis and tectonic setting of the granites in this region. We also constrain the mechanism responsible for...and sulfides to concentrate and precipitate in quartz veins and greisenized granites. 2. Geological Background |  | Zhang, Qiang, Zhang, Rong-Qing, Gao, Jian-Feng, Lu, Jian-Jun, Wu, Jin-Wei (2018) In-situ LA-ICP-MS trace element analyses of scheelite and wolframite: Constraints on the genesis of veinlet-disseminated and vein-type tungsten deposits, South China. Ore Geology Reviews, 99. 166-179 doi:10.1016/j.oregeorev.2018.06.004 | Journal (article/letter/editorial) | | the latter. The Xihuashan and Piaotang wolframite-quartz veins are developed in greisenized granite (type...WO3, respectively (Mao et al., 2013a). Wolframite-quartz veins in Xihuashan are mainly hosted in granite...Ordovician-Silurian, Triassic and Jurassic-Cretaceous in this region (Chen et al., 2013; Shu et al., 2006). It is now...deposits (Mao et al., 2013b). Wolframite-scheelite quartz veins occur mainly in the NNE-NE and NNW-NW striking...minor wolframite. Scheelite occurs mainly in quartz veinlets, which commonly have width of less than |  | | Journal (article/letter/editorial) | | of the 'rudohorsk~' (Ore Mts.) granite of the Vykmanov massif and mica schists of the J~chymov series...polymetallic skarns (e.g. Pitk/iranta) and in some quartz-granite dykes (S. T. Badalov, 1957), where there |  | Breiter, Karel, Ďurišová, Jana, Korbelová, Zuzana, Vašinová Galiová, Michaela Vašinová, Hložková, Michaela (2023) Granite Pluton at the Panasqueira Tungsten Deposit, Portugal: Genetic Implications as Revealed from New Geochemical Data. Minerals, 13 (2) 163 doi:10.3390/min13020163 | Journal (article/letter/editorial) | | Geology, Czech Academy of Sciences, Rozvojová 269, Praha 6, CZ-165 00 Prague, Czech Republic Institute...CZ-612 00 Brno, Czech Republic BIC Brno, Purkyňova 125, CZ-612 00 Brno, Czech Republic Correspondence:...geochemical dataset and the trace element compositions of quartz and micas from a large part of the unexposed Panasqueira...greisenized leucogranite surrounded by a swarm of flat quartz–muscovite veins rich in wolframite between Barroca...transition from the unmineralized greisen body to quartz veins. The W deposit was formed in three principal |  | Valkama, Mira, Sundblad, Krister, Nygård, Rune, Cook, Nigel (2016) Mineralogy and geochemistry of indium-bearing polymetallic veins in the Sarvlaxviken area, Lovisa, Finland. Ore Geology Reviews, 75. 206-219 doi:10.1016/j.oregeorev.2015.12.001 | Journal (article/letter/editorial) | | in significant alteration halos around a narrow quartz vein. This greisenization was accompanied by 10...brittle conditions leading to 13 fracturing, quartz veining and metal precipitation of ore minerals...hosted by alteration zones without hydrothermal 17 quartz in the Marviken granite. Mineralization with moderately...to cooler and more brittle conditions governing quartz veining and precipitation of ore 23 minerals...plagioclase, within 74 an even-grained groundmass of quartz, plagioclase, orthoclase, biotite and occasional |  | Harlaux, Matthieu, Romer, Rolf L., Mercadier, Julien, Morlot, Christophe, Marignac, Christian, Cuney, Michel (2018) 40 Ma of hydrothermal W mineralization during the Variscan orogenic evolution of the French Massif Central revealed by U-Pb dating of wolframite. Mineralium Deposita, 53 (1) 21-51 doi:10.1007/s00126-017-0721-0 | Journal (article/letter/editorial) | | Despite its long mining history, the FMC appears as a region relatively poor in tungsten deposits in comparison...tungsten deposits in the FMC. These hydrothermal quartz-wolframite±cassiterite deposits are located in...The deposit consists of a network of NNE-trending quartz-wolframite±cassiterite veins that crosscut the...Ma, likely responsible for the formation of the quartz veins (Vallance et al. 2001; Alexandrov et al....workings and consists of W-bearing intragranitic quartz veins. St-Goussaud deposit (sample BOS3c) The St-Goussaud |  | | Journal (article/letter/editorial) | | extending from Belgium, in the West, through the Ruhr District, Germany, to the Upper Silesian Coal Basin, Poland...view and also non-phyllosilicate minerals such as quartz, feldspar and carbonates. Their outward appearance...mineral according to the reaction: 1 kaolinite 2 quartz⇔1 pyrophyllite 1H2O The reaction does not depend...into andalusite expelling water and leaving behind quartz at 495 7 °C; the lower stability limit has been...In the pegmatite No. 3 at Dolní Bory-Hatě, Czech Republic, it appears as a hydrothermal breakdown product |  | | Journal (volume) | | originating deep in the lower crust and upper mantle region evolved as immiscible carbonate/silicate phases...multiphase fluid inclusions in the low temperature quartz crystals from veins and stocks. “Foam-like” silicate...inclusions in the petrogenetic minerals (i.e. feldspar, quartz, amphiboles and pyroxenes) showing large wetting...aqueous fluid inclusions cannot be trapped in quartz, because quartz would melt in the presence of an aqueous... b- Săpânta quartz xenoliths; c, k- Ditrău alkaline massif; e- Rosia Montana beta-quartz; g.- Deva “porphyry |
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