| Förster, H.-J., Gottesmann, B., Tischendorf, G., Siebel, W., Rhede, D., Seltmann, R., Wasternack, J. (2007) Permo-Carboniferous subvolcanic rhyolitic dikes in the western Erzgebirge/Vogtland, Germany: a record of source heterogeneity of post-collisional felsic magmatism. Neues Jahrbuch fĂŒr Mineralogie - Abhandlungen, 183 (2) 123-147 doi:10.1127/0077-7757/2007/0064 | Journal (article/letter/editorial) | rhyolitic dikes in the western Erzgebirge/Vogtland, Germany: a record of source heterogeneity of post-collisional...Abstract: In the western Erzgebirge/Vogtland of Germany, a suite of dikes of compositionally and texturally...geochronological data (305 â 295 Ma, from occurrences at Gottesberg and Jungfernsprung) suggest a middle/late Carboniferous...Variscan consolidation in the Erzgebirge/KruĆĄnĂ© hory (Germany/Czech Republic), though a great portion of the...granites and rhyolites in the Erzgebirge/Vogtland of Germany. The right inset map shows the sample locations | | Kempe, Ulf, Bombach, Klaus, Matukov, Dmitrij, Schlothauer, Thomas, Hutschenreuter, Jan, Wolf, Dieter, Sergeev, Sergej (2004) Pb/Pb and U/Pb zircon dating of subvolcanic rhyolite as a time marker for Hercynian granite magmatism and Sn mineralisation in the Eibenstock granite, Erzgebirge, Germany: Considering effects of zircon alteration. Mineralium Deposita, 39 (5) 646-669 doi:10.1007/s00126-004-0435-y | Journal (article/letter/editorial) | mineralisation in the Eibenstock granite, Erzgebirge, Germany: Considering effects of zircon alteration Received:...exocontact of the Eibenstock granite, Erzgebirge, Germany. The same structures which cut the granite control...Bergakademie Freiberg, Brennhausgasse 14, 09596 Freiberg, Germany E-mail: kempe@mineral.tu-freiberg.de Tel.: +49-3731-392433...situation is the Erzgebirge/ KrusÌneÌ hory region (Germany/Czech Republic) with extensive Variscan granite...containing abundant K-feldspar and (more rarely) quartz megacrysts. Because no intrusive contacts were | | | Journal (article/letter/editorial) | hory. Several peraluminous rhyolitic dykes near Gottesberg mark an isolated event at about 295 Ma. Slightly...ATC) to about 15 Ma (eruption of rhyolites at Gottesberg versus emplacement of the Eibenstock granite)...the present erosion surface (biotite diorites to quartz monzonites, âredwizitesâ according to KovaĆĂkovĂĄ...hory Mts. They form the small Bergen pluton in Germany and several intrusions in the SlavkovskĂœ les area...sporadically two-mica monzogranites. They are composed of quartz, zoned sericitized plagioclase An15â35, poikilitic | | | Journal (article/letter/editorial) | Mo (rare metal) deposits of greisen, skarn and quartz vein type occur in a close spatial association...Greisâcassiterite Small Musc(sericite) â44 7 Gottesberg WP SnâW YIC Endo b 200 m, exocontact b 500...tangencial vectors for the Bouger anomalies of Saxony shows two main strike directions: towards NE and...minor scheelite in quartz veins, while most of the molybdenum assemblages are quartzâmolybdenite veins... The essential data are summarized in Table 1. Quartz wolframite veins or stockworks in the granites | | | Journal (article/letter/editorial) | FROM THE NIEDERBOBRITZSCH GRANITE, ERZGEBIRGE, GERMANY: IMPLICATIONS FOR THE DIFFERENTIAL MOBILITY OF...GeoForschungsZentrum Potsdam, Telegrafenberg, D-14473 Potsdam, Germany ABSTRACT A detailed survey of accessory minerals...biotite granites from Niederbobritzsch, Erzgebirge, Germany, reveals the presence of various, late magmatic...granite, Niederbobritzsch pluton, Erzgebirge, Germany. SOMMAIRE Un examen dĂ©taillĂ© des minĂ©raux accessoires...Niederbobritzsch granite, eastern Erzgebirge, Germany. I report the first electron-microprobe data on | | | Journal (article/letter/editorial) | solid solutions from Markersbach, Erzgebirge, Germany: REE and Th mobility during high-T alteration of... Telegrafenberg, Potsdam, Federal Republic of Germany With 6 Figures Received May 8, 2000; revised version...identiÂźed in the Markersbach pluton (Erzgebirge, Germany) composed of F-rich, highly fractionated and autometasomatically...Variscan granites of A-type afÂźnity (Markersbach, Gottesberg, Zinnwald) from the German part of the Erzgebirge...in aggregates mixed with xenotime, hematite, and quartz. Other occurrences of synchysite-(Y), either proved | | | Journal (article/letter/editorial) | veinlets of cassiterite, löllingite, microcline, quartz, and hematite whose depth extension is unknown...the border area between the Czech Republic and Germany. The pluton belongs to classic terrains where the...K-feldspars, albite-oligoclase, corroded bipyramidal quartz, mica) as also observed by Zoubek (1978) in Karlovy...granite with magmatically corroded phenocrysts of quartz and feldspars in the main YIC intrusion. Nancy...fluorapatite (Fig. 2c), topaz (Fig. 2d), fluorite, quartz, microcline, calcite, dolomite, and Ba-pharmacosiderite | | | Journal (article/letter/editorial) | GeoForschungsZentrum GFZ, Telegrafenberg, D-14473 Potsdam, Germany Received 25 February 2013; accepted in revised...ErzgebirgeâVogtland, the Saxon Granulite Massif, and Thuringia (Germany) formed by anatectic melting of Palaeozoic sedimentary...University of Bremen, Leobener Str. 2, D-28359 Bremen, Germany. http://dx.doi.org/10.1016/j.gca.2014.01.018 0016-7037/Ă...in three areas of the Saxo-Thuringian Zone of Germany (Thuringia, ErzgebirgeâVogtland, Saxon Granulite...4 = SeiïŹen (only known from drillholes); 5 = Gottesberg; 6 = Winkel; 7, 8 = Kirchberg; 9, 10, 11 = Niederbobritzsch; | | | Book | Petrology Brennhausgasse 14, D-09596 Freiberg, Germany (e-mail, thomas.seifert@mineral.tu-freiberg.de)...NNW-SSE kersantite dike is crosscutted by ENE-WSW quartz-cassiterite-sulïŹde veinlets of the âstringer zone...late-Variscan ore mineralization in the Erzgebirge (Germany and Czech Republic). Located at the northwestern...Saxonian Erzgebirge in the south-eastern part of East-Germany (this study) and the Bohemian KruĆĄnĂ© hory located...put is associated with the late-Variscan uranium-quartz-calcite vein-type mineralization which is controlled | | Lefebvre, Marie G., Romer, Rolf L., Glodny, Johannes, Kroner, Uwe, Roscher, Marco (2019) The HĂ€mmerlein skarn-hosted polymetallic deposit and the Eibenstock granite associated greisen, western Erzgebirge, Germany: two phases of mineralizationâtwo Sn sources. Mineralium Deposita, 54 (2) 193-216 doi:10.1007/s00126-018-0830-4 | Journal (article/letter/editorial) | granite associated greisen, western Erzgebirge, Germany: two phases of mineralizationâtwo Sn sources Marie...Accepted: 23 July 2018 # Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract The HĂ€mmerlein...GeoForschungsZentrum GFZ, Telegrafenberg, 14473 Potsdam, Germany 2 Department of Geology, TU Bergakademie Freiberg...D-09596 Freiberg, Germany 3 Saxore Bergbau GmbH, Burgstr. 19, 09599 Freiberg, Germany metamorphosed at...305â280-Ma old intrusions and volcanic complexes (Gottesberg) with variable input of mantle-derived material | | | Journal (article/letter/editorial) | Research Centre for Geosciences, 14473 Potsdam, Germany; forhj@gfz-potsdam.de Correspondence: breiter@gli...granites in the Erzgebirge/ KruĆĄnĂ© Hory area (Germany, Czech Republic), we collected several thousands...(Seifen, Hora svatĂ© KaterÌiny) and western (the Gottesberg-Schneckenstein dyke swarm) parts of the province...feldspars only in relicts Mnz (19), Ur (2) 3389 quartz-rich greisen in the upper part of the stock, outcrop...layer is defined by orthoclase, locally also by quartz + zinnwaldite [23]. Post-magmatic hydrothermal | | | Journal (article/letter/editorial) | melt progressively enriched in H2O, F, P, Li, etc. Quartz, K-feldspar, FeâLi mica and topaz bear evidence...Granite; Breccia; UST; Magmatic layering; Feldspars; Quartz 1. Introduction Granitic pegmatites, tin granites...intrusions and is composed of layers of euhedral quartz crystals alternating with layers of fine-grained...fine-grained aplite. A special type of UST are comb quartz layers (Kirkham and Sinclair, 1988). Simple magmatic...crystal within a UST layer. bSnow-ball quartzQ (late quartz phenocryst with abundant albite laths arranged | | Ertl, Andreas, Kolitsch, Uwe, Meyer, Hans-Peter, Ludwig, Thomas, Lengauer, Christian L., Nasdala, Lutz, Tillmanns, Ekkehart (2009) Substitution mechanism in tourmalines of the "fluor-elbaite"-rossmanite series from Wolkenburg, Saxony, Germany. Neues Jahrbuch fĂŒr Mineralogie - Abhandlungen, 186 (1) 51-61 doi:10.1127/0077-7757/2009/0136 | Journal (article/letter/editorial) | âfluor-elbaiteârossmanite series from Wolkenburg, Saxony, Germany Andreas Ertl, Uwe Kolitsch, Hans-Peter Meyer...pegmatite from Wolkenburg near Limbach-Oberfrohna, Saxony, Germany. Tourmaline samples of the âfluor-elbaiteâ-rossmanite...elbaites are known from only a few localities in Saxony, Germany. These localities of tourmalines which are...BaumgĂ€rtel 1977). These pale coloured tourmalines from Saxony were not characterized chemically and structurally...mainly composed eschweizerbartxxx ingenta of quartz, mesoperthitic orthoclase and almandine, associated | | | Journal (article/letter/editorial) | sequences. Muscovite-wolframite-molybdenite-pyrite-quartz association is locally related to the older complex...-Cinovec; Eh- Ehrenfriedersdorf; Fr -Freiherg; Go -Gottesberg; Ha -Halsbriicke; Ja -Jachirnov; JoJohanngeorgenstadt;...(34), perthitic orthoclase (1 l), microcline (17), quartz (32) and Mg-Fe biotites (6). Apatite and magnetite...plagioclase (24), orthoclase (22), albite (6), quartz (40), and Li-rich micas (Li-siderophyllite to protolithionite)...scale on the left to the mineralized greisen and quartz veins. Ts-granite solidus temperatures as derived | | | Journal (article/letter/editorial) | GeoForschungsZentrum GFZ, Telegrafenberg, D-14473 Potsdam, Germany a r t i c l e i n f o Article history: Received...Geochemistry a b s t r a c t Voluminous Cambro-Ordovician quartz-rich sandstones blanket large parts of North Africa...deposited on the Gondwanan shelf of Saxo-Thuringia (Germany), only Lower Ordovician siliciclastic rocks like...Voluminous deposits of mature Cambro-Ordovician quartz-rich sandstones blanket large parts of North Africa...laterite and quartz arenite (cf. German et al., 1994; Avigad et al., 2005). Similar mature quartz-rich sandstones | | | Journal (article/letter/editorial) | metallization in the course of several stages. In the quartz veins a distinct intravenous metasomatism was observed...of earlier quartz vein fillings. The symmetrical selvages of some minerals around quartz veins originated...by the replacement of quartz from the wall contact. The sections of the quartz veins with felspars resembling...formed by the post-greisen metasomatism of the quartz veins. The emplacement of granites was accompanied...treten in Form yon Greisentriimmern auÂŁ (P~ebuz, Gottesberg, Rolava). Altenberg und Preisselberg (Krupka) | | | Journal (article/letter/editorial) | amounts (up to 204 ppm Ge) were found in topaz from quartz-topazapatite greisen in KraÌsno. In fractionated...pegmatitic and hydrothermal topaz and associated quartz. They found 13238 ppm Ge and 2.59.3 ppm Ga in...in topaz, 0.15.6 ppm Ge and 0.011.2 ppm Ga in quartz, and concluded that Ge and Ga partitioning into...PodlesÄ±Ì stock, quartz-topaz-zinnwaldite greisen KraÌsno (Schlagenwald in German literature), quartz-topaz-apatite...albite-zinnwaldite granite Altenberg, coarse-grained quartz-topaz-zinnwaldite rock at the upper contact of | | | Journal (article/letter/editorial) | affinity to A-type granites is observed in the Gottesberg volcanicintrusive complex. These rocks were emplaced...hydrothermal stages is cathodoluminescence microscopy of quartz and albite and/or the occurrence of the tetrad | | | Journal (article/letter/editorial) | GeoForschungsZentrum Potsdam, Telegrafenberg, D-14473 Potsdam, Germany New address: 1 Natural History Museum, Department...biotite-bearing YIC/S ± YIC/S with Li-mica. In Gottesberg, the YIC/A dyke system cuts biotite granites...YIC/A Sadisdorf, CÔà novec-Zinnwald, SeiÂen, Gottesberg, Krupka Breiter (1993) and SĂtemprok (1993a...The granite-related tin-tungsten mineralization (quartz-cassiterite mineralization and related metasomatites)...fragments and blocks of various gneisses, remobilized quartz, metagneiss greisen, and gneisses greisenized by | | | Journal (article/letter/editorial) | GeoForschungsZentrumPotsdam,Telegrafenberg,D-l 4473 Potsdam,Germany Ansrnecr Xenotime, from a geochemically heterogeneousseries...strongly peraluminous granitesof the Erzgebirge,Germany,displays extendedcompositionalvariability with...100 o 229 o740 S-typeLi-micagranites LAU 807-F quartz 13 32.7 151 158 4 7'l 39.2 012 007 066 0.55 286...elements high-fluorine, low-phosphorus biotite (Gottesberg) and Er and Yb. Eu was not measuredbecauseits...0.007 0.015 0.010 0.421 0.548 SSH 11 6 6 - F S quartz 30 326 0.63 1.17 010 26.8 0.03 0.o7 015 0.41 3 | | Förster, H.-J., Romer, R. L., Gottesmann, B., Tischendorf, G., Rhede, D. (2009) Are the granites of the AueâSchwarzenberg Zone (Erzgebirge, Germany) a major source for metalliferous ore deposits? A geochemical, SrâNdâPb isotopic, and geochronological study. Neues Jahrbuch fĂŒr Mineralogie - Abhandlungen, 186 (2) 163-184 doi:10.1127/0077-7757/2009/0138 | Journal (article/letter/editorial) | granites of the AueâSchwarzenberg Zone (Erzgebirge, Germany) a major source for metalliferous ore deposits...Granite Zone (ASGZ), in the western Erzgebirge of Germany, is composed of small, lateVariscan F-poor biotite...Granite Zoneâ (ASGZ), in the western Erzgebirge of Germany, comprise a diversity of granite stocks or small...and 200 ”m. Small (< 10 ”m) grains contained in quartz typify the Beierfeld granite. Contrasting to the...< 15 ”m), sub- to euhedral crystals enclosed in quartz. The analyzed grains are rich in Th (7.0 | | | Journal (article/letter/editorial) | 14473 Potsdam, Germany 2 Saxore Bergbau GmbH, Burgstr. 19, 09599 Freiberg, Germany RI PT 1 Corresponding...Sn-rich polymetallic skarn deposit (Erzgebirge, Germany), which is hosted by Variscan schists and gneisses...granite also resulted in the formation of cassiterite-quartz veins in the schists CE PT hosting the HĂ€mmerlein...epidote, biotite, chlorite, calcite, plagioclase, and quartz. Pyroxene may be replaced by tremolite and talc...estimated at 200 200 t and 2 149 t respectively (Anglo Saxony Mining, 2015). The HĂ€mmerlein deposit does not | | | Journal (article/letter/editorial) | BeâTa-rich granite of Seiffen (eastern Erzgebirge, Germany): accessory-mineral chemistry, composition, and...granite of Seiffen, in the eastern Erzgebirge of Germany, is exposed by drillcores and associated with an...porphyritic. It is mainly composed of anhedral quartz, subhedral albite, and anhedral muscovite and biotite...phenocrysts of plagioclase, K-feldspar (perthite), quartz, and mica aggregates, within a finegrained groundmass... Neodymium was separated from the other REE in quartz glass columns filled with teflon (PFTE) powder | | | Report (issue) | the principal barium mineral of commerce, are Germany, the " rorld's premier producer, the United States...deposits fotmd in the United Kingdom, India and Germany, but in the United States almost the entire production...be raised to bring the stones into contact. In Germany, fine-grinding consists in passing the mineral...world production has shown an upward tendency. Germany has long been the largest producer of the mineral...and fineness of grinding. In the pre-War period, Germany commanded the world market for barytes principally | | Breiter, K., Fryda, J., Seltmann, R., Thomas, R. (1997) Mineralogical Evidence for Two Magmatic Stages in the Evolution of an Extremely Fractionated P-rich Rare-metal Granite: the Podlesi Stock, Krusne Hory, Czech Republic. Journal of Petrology, 38 (12) 1723-1739 doi:10.1093/petroj/38.12.1723 | Journal (article/letter/editorial) | POTSDAM, TELEGRAFENBERG A50, D-14473 POTSDAM, GERMANY RECEIVED JANUARY 1997; ACCEPTED AUGUST 1997 The...been also confirmed by study of melt inclusions in quartz from samples of the stock granite in its dyke-bearing...temperature, promotes expansion of the liquidus field of quartz at the expanse of albite, and increases the solubility...stocks mostly associated with breccia pipes (Gottesberg, Altenberg, Sadisdorf, CıŽnovec, Krupka) [A-type...crosscut by numerous steep topazâalbiteâzinnwalditeâquartz veinlets, accompanied by greisenization and tourmalinization |
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