| | 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...286 Table 1 Metallogenic and gravity data in the region of the KHEB. Deposit numbers (No) correspond to | | 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) | Molybdenite–tungstenite association in the tungsten-bearing topaz greisen at Vítkov (Krkonoše–Jizera Crystalline Complex...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...occurs within tungsten mineralization hosted by topaz greisen in orthogneiss in the envelope of the Variscan...molybdenite. 2. Geological setting and mineralization Topaz-bearing greisens belong to exotic rocks in the West | | | 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) | 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...Namely plagioclase should give rise to albite, and topaz was also formed during the hydrothermal alteration...anticlinorium, elongated in the NE–SW direction along the Czech–German border, is part of the Saxothuringicum (Hoth...“Erzgebirgsgranit”) ranges from Li-biotite syenogranites with topaz to Fig. 1. Sketch of Krušné Hory Mts./Erzgebirge | | | Journal (article/letter/editorial) | Pre-proof Origin and physical-chemical control of topaz crystallization in felsic igneous rocks: Contrasted...Soufi, Origin and physical-chemical control of topaz crystallization in felsic igneous rocks: Contrasted...Pre-proof Origin and physical-chemical control of topaz crystallization in felsic igneous rocks: contrasted...In highly evolved F-rich felsic igneous rocks, topaz Al2SiO4(F,OH)2 forms in different genetic re stages:...deciphering the origin of OH–F variations in topaz. We conclude that topaz compositions in magmatic and post-magmatic | | | Journal (article/letter/editorial) | of the Severny (Northern) pluton in the Chaun district, Chukchi Peninsula are reported. In particular...Microcline–albite granite and ongonite with zinnwaldite and topaz are the youngest igneous rocks (Alekseev et al....varieties and (ii) leuco cratic quartz and quartz–topaz varieties; both were the objects of our study (Figs...a rough estimate. These fluorine concentrations vary from 1 to 4 wt % with a high uncertainty (~±0.3...lished in the dry residue of an inclusion hosted in topaz. This phase differs from others in its somewhat | | | Journal (article/letter/editorial) | Pekelný vrch hill near Jihlava (Moldanubicum, Czech Republic) Lenka Losertová* a Zbyněk Buřival Ústav geologických...with migmatites at Pekelný vrch near Jihlava, Czech Republic. Quartz-muscovite greisen contains primary...(Pb), wollastonit (Ca), TiO (Ti), Mn2SiO4 (Mn), topaz (F), Bi (Bi) a Sn (Sn). Slídy a jarosity byly analyzovány...(Fe), spessartin (Mn), ScVO4 (V, Sc), gahnit (Zn), topaz (F), SrSO4 a leucit (Rb). Jarosity byly analyzovány...Slavkovský les area - western Bohemia, Czech Republic. J. Czech Geol. Soc. 51, 3-4, 201-216. Jurák V. | | 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) | Precambrian Older Granite around the Gindi Akwati region at the Ropp complex’s western boundary, northcentral...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...anorogenic ring complexes situated within the southern region of the Jos Plateau in Nigeria, Africa (Figure 1a...Mineralization The study area in the Gindi Akwati region is located within the western edge of the Ropp | | 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:...manufacturer, TESCAN ORSAY HOLDING in Brno, Czech Republic, was used for automated mineralogical, modal...manufacturer, TESCAN ORSAY HOLDING in Brno, Czech Republic, was used for automated mineralogical, modal...microprobe housed at the Institute of Geology of the Czech Academy of Sciences, Praha, operated in the wavelength-dispersive | | 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...2005; Jarchovský, 2006) vary from 80 to 3100 ppm for greisen of the 179 RMG Vykmanov and Schnöd granites... 180 Quartz, cassiterite, wolframite, micas, topaz, tourmaline, sericite and chlorite are common in | | 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) | with negative Eu anomalies, but the 85 later (topaz-bearing) granites, have fairly flat chondrite-normalized...indications of any metallic mineralization in the region and it was 94 not until the discovery of roquesite...metallogenetic studies. The 96 Fennoscandian region was subject to glacial erosion at repeated intervals...(1985) 411 and the average In content in the topaz-bearing granites of SW England was reported by Simons...polymetallic Pitkäranta skarn ores in the Ladoga 428 region is a good example on what happens with more modest | | 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...the La Châtaigneraie district in the southwestern part of the FMC. This district hosts several tungsten...represent the two most important deposits in the district, with potential resources of at least 12,000 t...(sample ML-1) The Montredon-Labessonnié tungsten district (Tarn area) is located in the southwestern part...Several tungsten occurrences are known in the district such as quartz-wolframite±scheelite vein deposits |
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