 | Walter, Benjamin F., Gerdes, Axel, Kleinhanns, Ilka C., Dunkl, István, von Eynatten, Hilmar, Kreissl, Stefan, Markl, Gregor (2018) The connection between hydrothermal fluids, mineralization, tectonics and magmatism in a continental rift setting: Fluorite Sm-Nd and hematite and carbonates U-Pb geochronology from the Rhinegraben in SW Germany. Geochimica et Cosmochimica Acta, 240. 11-42 doi:10.1016/j.gca.2018.08.012 | Journal (article/letter/editorial) | | U-Pb geochronology from the Rhinegraben in SW Germany Benjamin F. Walter, Axel Gerdes, Ilka C. Kleinhanns...U-Pb geochronology from the Rhinegraben in SW Germany, Geochimica et Cosmochimica Acta (2018), doi: https://doi...U-Pb geochronology from the Rhinegraben in SW Germany. Benjamin F. Walter*1, Axel Gerdes2, Ilka C. Kleinhanns1...Geoscience, Wilhelmstraße 56, 72074 Tübingen, Germany 2 Goethe University Frankfurt, Insitute of Geosciences...Altenhoeferallee 1, D-60438 Frankfurt am Main, Germany 3 University of Göttingen, Geoscience Center, |  | | Journal (article/letter/editorial) | | on the formation of the Austrian magnesite and siderite mineralizations in the Eastern Alps of Austria...Avaliable online February 29, 2016 Keywords: siderite, magnesite, mineralizing fluids 1. INTRODUCTION...INTRODUCTION A consanguineous origin of the sparry siderite and magnesite mineralizations of the Eastern Alps...fact the genetic linkage of these deposits. The siderite as well as the magnesite mineralizations of the...uptake of Fe and the formation of siderite. Numerous magnesite and siderite mineralizations of various sizes |  | Henjes-Kunst, Friedhelm, Prochaska, Walter, Niedermayr, Andrea, Sullivan, Nora, Baxter, Ethan (2014) Sm–Nd dating of hydrothermal carbonate formation: An example from the Breitenau magnesite deposit (Styria, Austria) Chemical Geology, 387. 184-201 doi:10.1016/j.chemgeo.2014.07.025 | Journal (article/letter/editorial) | | magnesite deposit (Styria, Austria) Friedhelm Henjes-Kunst a,⁎, Walter Prochaska b, Andrea Niedermayr c, Nora...Mineral Resources, Stilleweg 2, D-30655 Hannover, Germany Department of Applied Geosciences and Geophysics...Bochum, Universitätstraße 150, D-44801 Bochum, Germany d Department of Earth and Environment, Boston University...Corresponding author. E-mail addresses: henjes-kunst@bgr.de (F. Henjes-Kunst), walter.prochaska@unileoben.ac.at (W... 1994; Bau et al., 2003). This can F. Henjes-Kunst et al. / Chemical Geology 387 (2014) 184–201 be |  | Burisch, Mathias, Walter, Benjamin F., Gerdes, Axel, Lanz, Maximilian, Markl, Gregor (2018) Late-stage anhydrite-gypsum-siderite-dolomite-calcite assemblages record the transition from a deep to a shallow hydrothermal system in the Schwarzwald mining district, SW Germany. Geochimica et Cosmochimica Acta, 223. 259-278 doi:10.1016/j.gca.2017.12.002 | Journal (article/letter/editorial) | | Accepted Manuscript Late-stage anhydrite-gypsum-siderite-dolomite-calcite assemblages record the transition...system in the Schwarzwald mining district, SW Germany Mathias Burisch, Benjamin F. Walter, Axel Gerdes...system in the Schwarzwald mining district, SW Germany, Geochimica et Cosmochimica Acta (2017), doi: https://doi...journal pertain. Late-stage anhydrite-gypsum-siderite-dolomite-calcite assemblages record the transition...system in the Schwarzwald mining district, SW Germany Mathias Burisch*1, Benjamin F. Walter2, Axel Gerdes3 |  | Jacko, S., Farkašovský, R., Kondela, J., Mikuš, T., Ščerbáková, B., Dirnerová, D. (2019) Boudinage arrangement tracking of hydrothermal veins in the shear zone: example from the argentiferous Strieborna vein (Western Carpathians) Journal of GEOsciences, 64 (3) 179-195 | Journal (article/letter/editorial) | | polyphase vein filling comprises Variscan metasomatic siderite remnants and the Early Cretaceous syntectonic...consisting of two mineralization phases, quartz–siderite and quartz–sulphidic. During Cretaceous shear...area are penetrated by subparallel hydrothermal siderite–quartz veins generally of the NE–SW trend. Their...consisting of nearly monomineral siderite infilling (medium- to coarse-grained siderite), dominates over the succeeding...NE in V ud Bo Bo ud in IV 67 2 1 4 3 10 9 8 mine gallery rediscovered vein vein fault in eb |  | | Book (volume) | | and the corresponding citation (Hudson Bay 309 mine). in Ref. 4, line Z, for 670 read 676. 310 in...for Black Forest read Odenwald. for Rhine Province read Westphalia. for in the Tirol read, Salzburg....say that this guarantee did much to deterrepaid. mine the award of the grant. To Mr. W. 0. Wiley, Chairman...1874. Harrisburg, 1875. Sadtler. " The Minerals of North Carolina," U. S. Geol. Sur., Bull. (1891). 74, 119...Also, earlier. Minerals and Mineral Localities of North Carolina. 122 pp., Raleigh, 1881. Gesner (1565) |  | Graupner, Torsten, Mühlbach, Caroline, Schwarz-Schampera, Ulrich, Henjes-Kunst, Friedhelm, Melcher, Frank, Terblanche, Hennie (2015) Mineralogy of high-field-strength elements (Y, Nb, REE) in the world-class Vergenoeg fluorite deposit, South Africa. Ore Geology Reviews, 64. 583-601 doi:10.1016/j.oregeorev.2014.02.012 | Journal (article/letter/editorial) | | b, Ulrich Schwarz-Schampera a, Friedhelm Henjes-Kunst a, Frank Melcher a,d, Hennie Terblanche c a BGR...Stilleweg 2, D-30655 Hannover, Germany Sallstr. 79, D-30171 Hannover, Germany Vergenoeg Mining Company (PTY)...metallurgical-grade fluorite (“metspar”) plugs and siderite lenses, and (ii) U-shaped patterns showing enrichment...2. Geology, mineralogy and samples The Vergenoeg mine is located in the Kaapvaal Craton in southern Africa...been defined from top to bottom (Fourie, 2000). Siderite and metallurgical-grade fluorite (“metspar”) lenses |  | Wagner, Thomas, Okrusch, Martin, Weyer, Stefan, Lorenz, Joachim, Lahaye, Yann, Taubald, Heiner, Schmitt, Ralf T. (2010) The role of the Kupferschiefer in the formation of hydrothermal base metal mineralization in the Spessart ore district, Germany: insight from detailed sulfur isotope studies. Mineralium Deposita, 45 (3) 217-239 doi:10.1007/s00126-009-0270-2 | Journal (article/letter/editorial) | | metal mineralization in the Spessart ore district, Germany: insight from detailed sulfur isotope studies Thomas...Springer-Verlag 2009 Abstract The Spessart district (SW Germany), located at the southwestern margin of the Permian...Universität Würzburg, Am Hubland, 97074 Würzburg, Germany S. Weyer : Y. Lahaye Institut für Petrologie, Geochemie...Senckenberganlage 28, 60325 Frankfurt am Main, Germany H. Taubald Institut für Geowissenschaften, Universität...Universität Tübingen, Wilhelmstr. 56, 72074 Tübingen, Germany R. T. Schmitt Museum für Naturkunde, Leibniz-Institut |  | Schröder-Adams, Claudia J., Herrle, Jens O., Selby, David, Quesnel, Alex, Froude, Gregory (2019) Influence of the High Arctic Igneous Province on the Cenomanian/Turonian boundary interval, Sverdrup Basin, High Canadian Arctic. Earth and Planetary Science Letters, 511. 76-88 doi:10.1016/j.epsl.2019.01.023 | Journal (article/letter/editorial) | | Research Centre (BIK-F), D-60438 Frankfurt am Main, Germany c Department of Earth Sciences, Durham University...on Axel Heiberg Island (after Estrada and Henjes-Kunst, 2013). Scaife et al., 2017). Although the High...distinguished (Tegner et al., 2011; Estrada and Henjes-Kunst, 2013; Jowitt et al., 2014; Estrada et al., 2016;...Complex on Ellesmere Island after Estrada and Henjes-Kunst (2013). strata are well exposed in outcrop with...second sequence boundary is expressed by freshwater siderite beds within the upper Bastion Ridge Formation |  | Martin, Silvana, Toffolo, Luca, Moroni, Marilena, Montorfano, Carlo, Secco, Luciano, Agnini, Claudia, Nimis, Paolo, Tumiati, Simone (2017) Siderite deposits in northern Italy: Early Permian to Early Triassic hydrothermalism in the Southern Alps. Lithos, 284. 276-295 doi:10.1016/j.lithos.2017.04.002 | Journal (article/letter/editorial) | | Siderite deposits in northern Italy: Early Permian to Early Triassic hydrothermalism...Agnini, Claudia, Nimis, Paolo, Tumiati, Simone, Siderite deposits in northern Italy: Early Permian to Early...journal pertain. ACCEPTED MANUSCRIPT 8_3_2017 SIDERITE DEPOSITS IN NORTHERN ITALY: EARLY PERMIAN...study of siderite orebodies from different localities of the Southern Alps (northern Italy). Siderite occurs...iron-mineralizing event. The composition of coexisting siderite, Fe-rich dolomite and calcite suggest formation |  | | Book | | SCHAAL Geology of the Messel Pit A West Upper Rhine rift valley Brg. Weiterstadt 1 m sea level proj...Frankfurt a. M. and approxima tely 8 km north-east of Darmstadt. A north-south ridge stretches from the Odenwald...sea-level near the Messel Pit, and exten ding into the Rhine-Main plain in the area around Neu-lsenburg. This...west, the Sprendlinger Horst meets with the Upper Rhine rift valley (Oberrhein graben). This is an important...near Basel, to the southern edge of the Thunus, north of Frankfurt a. M. The same rock that appears Geological |  | | Journal (article/letter/editorial) | | the largest producing siderite deposit worldwide and the largest open-pit iron mine in Central Europe. A...(“Radwerk”). In Vordernberg (a small village in the north of Leoben) fully functional charcoal smelters represent...Erzaufbereitung muss durch Aufkonzentration der Siderite (FeCO3-Komponente etwa 80-85 Mol% entsprechend...obertriassisches Alter (208 ± 22 Ma; PROCHASKA & HENJES-KUNST, 2009). In Verbindung mit fluidchemischen Daten...on the formation of the Austrian magnesite and siderite mineralizations in the Eastern Alps of Austria |  | | Journal (article/letter/editorial) | | Leibniz University, Welfengarten 1 D-30167 Hannover, Germany Abstract The Central European Variscides and their...explosive volcanic activity sourced particularly in the North Atlantic Province and important mineral deposits...Belgium, in the West, through the Ruhr District, Germany, to the Upper Silesian Coal Basin, Poland. The...being covered under the Mesozoic series of the North German Basin on the passive margin of Laurussia... related to the predecessor of the present-day North Sea and on the opposite side, the Mediterranean |  | Oberthur, T., Melcher, F., Henjes-Kunst, F., Gerdes, A., Stein, H., Zimmerman, A., El Ghorfi, M. (2009) HERCYNIAN AGE OF THE COBALT-NICKEL-ARSENIDE-(GOLD) ORES, BOU AZZER, ANTI-ATLAS, MOROCCO: Re-Os, Sm-Nd, AND U-Pb AGE DETERMINATIONS. Economic Geology, 104 (7) 1065-1079 doi:10.2113/econgeo.104.7.1065 | Journal (article/letter/editorial) | | THOMAS OBERTHÜR,1,† FRANK MELCHER,1 FRIEDHELM HENJES-KUNST,1 AXEL GERDES,2 HOLLY STEIN,3 AARON ZIMMERMAN,3...und Rohstoffe, Stilleweg 2, D-30655 Hannover, Germany Universität Frankfurt, Institut für Geowissenschaften...Geochemie, Altenhöferallee 1, D-60438 Frankfurt, Germany 3 AIRIE Program, Department of Geosciences, Colorado...rock types (e.g., diorites at Filon 7, Bou Azzer mine). Mineralization has been traced locally for ~1...0361-0128/98/000/000-00 $6.00 (Tarouni, Bou Azzer mine, Bou Azzer East). Further, sulfur isotope compositions |  | | Journal (article/letter/editorial) | | Prochaska 2001; Felser 1977). According to unpublished mine reports (1972) layers of gypsum and anhydrite were...1:250 and sampled along 15 sections following the mine levels in a sampling distance of at least 2.5 m...discussed in recent papers by Henjes-Kunst and Prochaska (2010) and Henjes-Kunst et al. (2014). Sm–Nd isotope...Breitenau sparry magnesite deposit determined by Henjes-Kunst et al. (2014) and its likely Triassic paleogeographic...authors thank the last mine manager of the Hohentauern deposit DI H. Krisch for mine related information |  | Hurai, V., Paquette, J.-L., Lexa, O., Konečný, P., Dianiška, I. (2015) U-Pb-Th geochronology of monazite and zircon in albitite metasomatites of the Rožňava-Nadabula ore field (Western Carpathians, Slovakia): implications for the origin of hydrothermal polymetallic siderite veins. Mineralogy and Petrology, 109 (5) 519-530 doi:10.1007/s00710-015-0389-z | Journal (article/letter/editorial) | | implications for the origin of hydrothermal polymetallic siderite veins V. Hurai 1 & J.-L. Paquette 2,3,4 & O. Lexa...metasomatites (albitites) occur around and within siderite veins in the southern part of the Gemeric tectonic...tourmaline and siderite are basically identical with the quartz-tourmaline stage of other siderite and stibnite...about 2 100 km2 in area, contains almost 1300 siderite–sulphide, barite, and quartz—stibnite hydrothermal...recently, Radvanec et al. (2004) proposed the siderite veins be formed from basinal fluids percolating |  | | Journal (article/letter/editorial) | | the Rhodope and the Serbo-Macedonian belts in the north, to the NE Aegean islands (Lemnos, Chios, Lesbos)...and serpentinites (e. g. Dürr et al. 1978, Henjes-Kunst & Kreuzer 1982, Andriessen et al. 1987, Okrusch...carbonate-hosted pyrrhotite mineralization, F: fluorite mine; numbers of galleries indicate elevation at the...rather rare. Synfolial lenses (pods) of Mg-calcite, siderite, kutnohorite, ankerite with dispersed pyrite altered...sulfide ores into the skarn system (e. g. at Vilia mine), located within the Upper marble close to the detachment |  | Kiefer, S., Števko, M., Vojtko, R., Ozdín, D., Gerdes, A., Creaser, R. A., Szczerba, M., Majzlan, J. (2020) Geochronological constraints on the carbonate-sulfarsenide veins in Dobšiná, Slovakia: U/Pb ages of hydrothermal carbonates, Re/Os age of gersdorffite, and K/Ar ages of fuchsite. Journal of GEOsciences, 65 (4) 229-247 | Journal (article/letter/editorial) | | Friedrich-Schiller University, Burgweg 11, D–07749 Jena, Germany; email: stefan.kiefer@uni-jena.de Earth Science...Frankfurt, Altenhöferallee 1, D-60438 Frankfurt, Germany Frankfurt Isotope and Element Research Center (FIERCE)...(FIERCE), Goethe University Frankfurt, Germany Department of Earth and Atmospheric Sciences, University...to be exploited for Ni–Fe–Co sulfarsenides in siderite-ankerite hydrothermal veins. These veins are locally...selected minerals. U/Pb dating of hydrothermal siderite and ankerite gave ages from 145 ± 5 Ma to 114 |  | | Journal (article/letter/editorial) | | Origin of late Variscan granitoids from NE Bavaria, Germany, exemplified by REE and Nd isotope systematics...Zentrum Potsdam. Telegrafenberg, D-14473 Potsdam, Germany b Federal Institute for Geosciences and Natural...Natural Resources, Stilleweg 2, D-30655 Hannover, Germany Received 15 November 1994; accepted 2 June 1995...granitoids from the Variscan basement of NE Bavaria, Germany: these include the Fichtelgebirge (Fichtel Mtn...boundary which separates the Saxothuringian to the north from the Moldanubian to the south (Fig. 1). In addition |  | | Journal (article/letter/editorial) | | ASSEMBLAGES IN THE FORMER WILHELMINE MINE, SPESSART, BAVARIA, GERMANY Martin OKRUSCH§ Mineralogisches Institut...Würzburg, Germany Joachim A. LORENZ Graslitzer Str. 5, D–63791 Karlstein am Main, Germany Stefan WEYER...Main, Germany Abstract The vein-type copper mineralization in the abandoned Wilhelmine copper mine, Sommerkahl...Sommerkahl, Spessart, northwestern Bavaria, Germany, is hosted by metamorphic rocks of the Spessart Crystalline...of the sulfide ore veins in the former Wilhelmine mine is related to post-Variscan hydrothermal activity |  | | Journal (article/letter/editorial) | | Plan view of the Hilton Zn-Pb (Ag) deposit showing north to south trending stratabound ore zones. (e) A schematic...cross-section of the Hilton Zn-Pb (Ag) the seven north to south trending stratabound ore zones. (e) A schematic...have been updated from Valenta [31] using available mine Zn-Pb (Ag) deposit facing northwest. Figure 1d,e...updated from Valenta [17] using available models. mine models. Background 2. 2. Background 2.1. RegionalGeology...Paleoproterozoic Mount Isa Inlier, approximately 20 km north of the Mount in the Western Fold Belt of the Paleoproterozoic |  | Tombros, S., St. Seymour, K., Williams-Jones, A. E., Spry, P. G. (2007) The Genesis of Epithermal Au-Ag-Te Mineralization, Panormos Bay, Tinos Island, Cyclades, Greece. Economic Geology, 102 (7) 1269-1294 doi:10.2113/gsecongeo.102.7.1269 | Journal (article/letter/editorial) | | pressures of ca. 450°–500°C and 5–8 kbars: Henjes-Kunst and Kreuzer, 1982; Avigad and Garfunkel, 1989; Bröcker...titanite and apatite (Altherr et al., 1982; Henjes-Kunst et al., 1982). Rb-Sr isotope measurements on biotite...galena Muscovite, albite, epidote, sphalerite, siderite, smithsonite Muscovite, albite, epidote Stannite...anhedral wurtzite, subhedral greenockite, magnetite, siderite, and smithsonite were deposited in the central...coarse-grained calcite, and stage VII sphalerite and siderite (Table 5). Although some of the fluid inclusions |  | | Journal (article/letter/editorial) | | + CH4 ), aqueous fluid, and daughter crystals (siderite). Keywords: Zambian emeralds; inclusions; gemological...Geological Settings The Kafubu area is located in north-central Zambia and the southern part of the Copperbelt...central–south Africa, separating the Congo Kraton to the north and the Kalahari to the south (Figure 1). The Minerals...The Kamakanga deposit is hosted by of the local mine. The majority of the studied samples appeared as...samples were obtained from the owner of the local mine. The majority of the studied samples appeared as |  | Goldmann, Simon, Melcher, Frank, Gäbler, Hans-Eike, Dewaele, Stijn, Clercq, Friso, Muchez, Philippe (2013) Mineralogy and Trace Element Chemistry of Ferberite/Reinite from Tungsten Deposits in Central Rwanda. Minerals, 3 (2) 121-144 doi:10.3390/min3020121 | Journal (article/letter/editorial) | | Resources (BGR), Stilleweg 2, Hannover D-30655, Germany; E-Mails: frank.melcher@bgr.de (F.M.); hans-eike...of reinite in central Rwanda along the so-called north-northwest to south-southeast trending “tungsten...different fold directions interfere and give the mine areas a complex domal structure [1–3,5]. The anticlinal...tunnels of the Nyakabingo mine and two concentrates from the Gifurwe mine were taken. Ore concentrates...on two samples of tungsten ore from the Bugarama mine (Bug10SD01 = polished section 1 and Bug10SD02 = |  | | Book (volume) | | Iron Deposits of North America .... 6. Pre-Cambrian (Algonkian) Iron Ore Deposits of North America Marc[uette...Deposits of Pitkaranta in Finland 4. Kallmora Silver Mine at Norberg, in Sweden 5. The Deposit of Schneeberg...Deposits 1. The Nodular Ores of Commern, in the Rhine Province 2. Lead Ores of the Triassic Sandstone...(/) Antimony Deposits 1. Antimony Deposits of Westphalia, Prussia 2. The Antimony Deposit of Briick 3...Riesengeb irge, Germany 3. The Iron Ore Deposits of the Schwarzen and Gelben Krux, Germany. 4. The Contact |
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