 | | Report (chapter) | | University of Bonn, Nussallee 8, D-53115 Bonn, Germany *Corresponding author (e-mail: schaefer@uni-bonn...Rhenohercynian Basin (Central European Variscides, Germany) are the main subjects of this paper. Seven representative...sections have been taken at larger outcrops in the Mid-Rhine region. They furnished the main criteria for this...the source area of the Old Red Continent in the north, controlled the input of siliciclastic detritus...various stages of development (Franke et al. 1978; Meyer & Stets 1980) that can be studied in detail in the |  | | Journal (article/letter/editorial) | | western part of the Rheinisches Schiefergebirge, Germany L. Krahn ~, A. Baumann 2 i Geologisches Landesamt...Nordrhein-Westfalen, De-Greiff-Strasse 195, D-47803 Krefeld, Germany 2Zentrallaboratorium fiir Geochronologie, Institut...Wilhelms-Universitiit, Corrensstrasse 24, D-48149 Mfinster, Germany Received: 2 February 1994/Accepted: 7 August 1995...of the river Rhine. It comprises the Eifel and Hunsriick mountains and the Eifel North-South Zone. An...predominantly shallow marine environment (Meyer and Stets 1980; Meyer 1986). In the south, pelitic sedimentary |  | 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) | | Sammlungen Brennhausgasse 14 09599 Freiberg, Germany andreas.massanek@geosamm.tu-freiberg.de Downloaded...Schloss Freudenstein Schlossplatz 4 09599 Freiberg, Germany christina.seifert@geosamm.tu-freiberg.de Figure...New Permanent Exhibition in Freiberg, Saxony, Germany 212 ROCKS & MINERALS N ative silver, in bizarre...mineral localities in just Germany. Figure 3 (above). Krügerhaus in Freiberg, Germany. Detlev Müller photo...Freiberg, Saxony, Germany. Jeff Scovil photo. A Mineralogical Journey through Germany The central part |  | | Journal (article/letter/editorial) | | 2, * 1 2 3 * Citation: Ernowo, E.; Idrus, A.; Meyer, F.M. Elemental Gains and Losses during Hydrothermal...2022 Accepted: 14 December 2022 and Franz Michael Meyer 3 Geo-Resources Research Center, National Research...Mineralogy and Economic Geology, RWTH Aachen University, 52056 Aachen, Germany Correspondence: arifidrus@ugm...lawesiThe Province, Republic Indonesia. is about 350 km north of Makassar, Sulawesi Province, Republic of Indonesia...Indonesia. The location is about 350 km north of Makasthe capital city of the South Sulawesi Province (Figure |  | | Journal (article/letter/editorial) | | post-Variscan lead±zinc mineralization, Rhenish Massif, Germany: evidence for sul®de precipitation via thermochemical...post-Variscan lead±zinc deposits in the Rhenish Massif, Germany. Based on the analysis of 200 samples, Variscan...hydrocarbons in sul®de Editorial handling: F. M. Meyer Dedicated to GuÈnther Friedrich on the occasion...und Umweltanalytik, RWTH Aachen, SuÈsterfeldstraûe 22, 52072 Aachen, Germany e-mail: jochum@rwth-aachen...speci®c role of hydrocarbons in ore deposits of Germany has scarcely been investigated (with the exception |  | | Journal (article/letter/editorial) | | Synmetamorphic Variscan siderite mineralisation of the Rhenish Massif, Central Europe ULRICH F. HEIN...Lithosphare, Goldschmidstr. 3, D-37077 Gtittingen, Germany Abstract The Rhenohercynian thrust- and fold-belt...the Rhenish Massif, Germany. It is formed during four major stages and siderite is the principal ore...which are CO2 undersaturated (Xco2 = 0.003-0.1). Siderite precipitation at 220-~<320 ~ and 0.7-1.4 kbar...From Mn contents and ~13C-'t~180 variation of siderite a trend is apparent in which formation temperatures |  | | Journal (article/letter/editorial) | | ankerite- and siderite-rich assemblages. Progressive alteration resulted in breakdown of siderite to magnetite...The nucleation of sulfides on graphite during siderite breakdown suggests redox reactions may have largely...earliest mineralization event at Guelb Moghrein (Meyer et al., 2006) establishes a minimum age of early...commonly, siderite. The Guelb Moghrein deposit occurs within two exceptionally thick, siderite-rich metacarbonate...(25°–35°) limbs (Fig. 1). This fold is flanked to the north by a major synclinorium that contains the Guelb |  | | Book | | Martin Meschede Laurence N. Warr The Geology of Germany A Process-Oriented Approach Regional Geology...Reviews Series editors Roland Oberhänsli, Potsdam, Germany Maarten J. de Wit, Nelson Mandela University, Port... Martin Meschede • Laurence N. Warr The Geology of Germany A Process-Oriented Approach 123 Martin Meschede...and Geology University of Greifswald Greifswald, Germany Laurence N. Warr Institute of Geography and Geology...Geology University of Greifswald Greifswald, Germany ISSN 2364-6438 ISSN 2364-6446 (electronic) Regional |  | | Report (chapter) | | Mineralogy and Economic Geology, RWTH Aachen University, D-52056 Aachen, Germany 2 Institute of Mineralogy and...University, Poppelsdorfer Schloss, 53115 Bonn, Germany 4 Institute of Geosciences, Johann Wolfgang Goethe-University...Altenhöferallee 1, D-60438 Frankfurt am Main, Germany 5 Present address: Geological Survey of Denmark...Archaean–Early Proterozoic age of the mineralization (Meyer et al. 2006). Most deposits of the IOCG family (Australia:...age of lower greenschist-facies retrogression (Meyer et al. 2006). The Akjoujt area was affected by two |  | Decher, A., Bechtel, A., Echle, W., Friedrich, G., Hoernes, S. (1996) Stable isotope geochemistry of bentonites from the island of Milos (Greece) Chemical Geology, 129 (1) 101-113 doi:10.1016/0009-2541(95)00147-6 | Journal (article/letter/editorial) | | und LagerstSttenlehre der RWTH Aachen, Wiillnerstr. 2, D-52056 Aachen, German), b Mineralogisch-Petrologisches...Universit~it Bonn, Poppelsdotfer Schlofi, D-53115 Bonn, Germany Received 8 November 1994; accepted 29 August 1995...Zoulias. The Zoulias deposit situated ~ 1 km to the north of Aspro Chorio is also covered by pyroclastic rocks...calcite-rich sample U-7 was collected from a little quarry ~ 1 km to the SE of the village of Apollonia (Fig...temporarily. Carbonate isotope analysis was performed on siderite from the Zoulias deposit by Liakopoulos (1987) |  | | Journal (article/letter/editorial) | | 497–499 © Springer-Verlag 1999 EDITORIAL F. M. Meyer · A. F. M. Kisters · L. Stroink Integrated geologic...internaF. M. Meyer · A. F. M.Kisters Institut für Mineralogie und Lagerstättenlehre, RWTH Aachen, D-52056...D-52056 Aachen, Germany L. Stroink Institut für Geophysik der Ruhr-Universität Bochum Sekretariat der Senatskommission...Urals, that progressed with time from south to north. Based on distinct 40Ar/39Ar patterns of rocks of...an acccount of giant stratabound magnesite and siderite deposits in the Bashkirian megaanticlinorium of |  | Kolb, J., Hellmann, A., Rogers, A., Sindern, S., Vennemann, T., Bottcher, M. E., Meyer, F. M. (2004) The Role of a Transcrustal Shear Zone in Orogenic Gold Mineralization at the Ajjanahalli Mine, Dharwar Craton, South India. Economic Geology, 99 (4) 743-759 doi:10.2113/gsecongeo.99.4.743 | Journal (article/letter/editorial) | | Economic Geology, RWTH Aachen University, Wuellnerstrasse 2, 52056 Aachen, Germany SVEN SINDERN, Institute...Economic Geology, RWTH Aachen University, Wuellnerstrasse 2, 52056 Aachen, Germany, and Institute for Mineralogy...University, Corrensstrasse 24, 48149 Münster, Germany TORSTEN VENNEMANN, Institute for Mineralogy and...Bremen, Germany AND F. MICHAEL MEYER Institute for Mineralogy and Economic Geology, RWTH Aachen University...University, Wuellnerstrasse 2, 52056 Aachen, Germany Abstract The Ajjanahalli gold mine is spatially associated |  | | Journal (article/letter/editorial) | | undLagerstiittenlehre, Aachen University of Technology (RWTH),Wallnerstrasse 2, 52056Aachen, Germany Sir:We readwithinterestthe...reefstructures, reefs.Shearsenseindicatorsimply a north-northwest-diand(3) theminegeology, i.e.,theactualgeometry...Blenkinsop andFrei'sconclu- theregional-scale, north-northwest-directed thrusting of the sionthatthe...ubiquitous garnet-biotite-quartz _+carbonate (siderite)al- greenschist suggests terationmineralassemblage...ofZimbabwe, theoccurrence of supposedly undeformed, north-northeast- fieldguideandabstracts trending pyroxenite |  | | Journal (article/letter/editorial) | | Mineralogie und Lagerstattenlehre,RWTH Aachen, Wiillnerstr. 2,52056 Aachen, Germany, E-mail:kolb@rwth-aachen.de...spar- calculations (cf. Touret, 2001; Kolb and Meyer, 2002). (5) Pal and Mishra (2003) discuss the mechanisms...1994; Stipp et al., 2002). oxide- and carbonate (siderite) facies BIF (Hellmann, My discussion on the Pal...and Mishra, 2003) formed relatively late Kolb and Meyer, 2002). The absence of aqueous-carbonic in the tectonic...Ajjanahalli (Diplomarbeit): Unpub. M.Sc. thesis, RWTH Aachen, 205p. Hirth, G. and Tullis, J. (1994) The brittle-plastic |  | | Journal (article/letter/editorial) | | Jochen Kolb . Gregori A. Sakellaris . F. Michael Meyer Controls on hydrothermal Fe oxide–Cu–Au–Co mineralization...localized viscous shearing in these shear zones. Siderite of the metacarbonate body was deformed into a...F. M. Meyer Institute of Mineralogy and Economic Geology, RWTH Aachen University, 52056 Aachen, Germany...migrated along the shear zones and reacted with the siderite in the metacarbonate. This evolution and the setting...Senegal in the south to Western Sahara in the north (Fig. 1). It is generally regarded as a pile of |  | | Report (issue) | | others, 2006, 2008, Meyer and others, 2006, Cox and Singer, 2007 Sakellaris and Meyer, 2008, Hitzman, 2008...the Mauritanide Belt varies somewhat between the north and south in Mauritania. The northern and northwestern...central Mauritania southward to Senegal, consist of a north-south trending pile of thrust slices of allochthonous...Page, 1988). Within the belt are four parallel north-south trending zones separated by east-directed...Strickland, 2004). The Akjoujt package is bounded to the north and east by a sole-thrust contact with the Archean | | | Report (issue) | | others, 2006, 2008, Meyer and others, 2006, Cox and Singer, 2007 Sakellaris and Meyer, 2008, Hitzman, 2008...the Mauritanide Belt varies somewhat between the north and south in Mauritania. The northern and northwestern...central Mauritania southward to Senegal, consist of a north-south trending pile of thrust slices of allochthonous...Page, 1988). Within the belt are four parallel north-south trending zones separated by east-directed...Strickland, 2004). The Akjoujt package is bounded to the north and east by a sole-thrust contact with the Archean |  | | Journal (article/letter/editorial) | | und Rohstoffe, Postfach 510153,D-30631 Hannover,Germany Abstract A chemicalequilibriummodelfor the early...variousbandediron-formationfacies("goethite," pyrite, siderite)in conjunctionwith the atmospheric CO2partialpressureactedasa...The conglomerates 1983; Minter, 1990; Robb and Meyer, 1990; generally oligomictic with predominatingmilky...gold(cf. KruppandWeiser, 1983; Oberthiir, 1983; Meyer et al., 1990) point to 1992) crystallinehabitsof...fugacityfixedat 1 bar). Boldlines= ph•e boundaries between siderite,goethite,and pyrite; solidlines = stabilityfield |  | | Journal (article/letter/editorial) | | CATALOG 30< — Largest stock of fine fossils in North America. Equipment, Supplies, Books. Geological...success! Write immediately. H. Kerres, 51 Aachen, Siegelallee 5, Germany. FOSSILS: LATEST CATALOG 250 — Hundreds...Fluorescents, U-V Lights. HORN MINERALS, 42C Mohawk Drive, North Babylon, New York. ROCKS AND MINERALS GEMSTONES...Prices of individual stones on request. L. A . Meyer, 121 Blue Bonnet Dr., Findlay, Ohio. change. Rate...complete pair-matched, 4 x 5 x 4 " $ 7 . 5 0 ; siderite rosetted on xled marmatite, 1 % x 3 V i " , nice |  | | Journal (article/letter/editorial) | | Ajjanahalli (Diplomarbeit): Unpub. M.Sc. thesis, RWTH Aachen, 205p. Hirth, G. and Tullis, J. (1994) The brittle-plastic...Mineral. Depos., v. 33, pp. 317-319. Kolb, J. and Meyer, EM. (2002) Fluid inclusion record of the hypozonal...Mineral. Petrol., v. 143, pp. 495-509. Kolb, J., Meyer, EM. and Hellmann, A. (2002) Lode gold mineralization...Sci.), v. 111, pp. 150-151. Kolb, J., Rogers, A., Meyer, F.M. and Hellmann, A. (2001) Structural control...the oxide facies and carbonate minerals such as siderite locally occurs in small portions in the western |  | | Journal (article/letter/editorial) | | Mineralogy and Economic Geology, RWTH Aachen University, Germany c Economic Geology Laboratory, Department...albite. Carbonate alteration with ankerite and siderite occured simultaneous to albitization proximal...quartz-albite-ankerite veins and quartzankerite-siderite veins. Gold occurs in pyrite as sub-microscopic...Republic of Indonesia. The location is about 350 km north of Makassar, the capital city of The South Sulawesi...of Geochemistry and Environmental Analysis, RWTH Aachen University. The machine is operated at 40 kV and |  | | Journal (article/letter/editorial) | | brecciation. In Stage A, quartz, calcite, and siderite were followed successivelyby pyrite, chalcopyrite...northeast; most members of both sets dip steeplyto the north, at anglesof 70 to 90 degrees. The ores are found...strikes generallynortheastand dips steeply to the north; the Radium Vein strikeseast and dips 70 to 90 degreesnorth...terms of the well developedalterationpattern on the north (hanging-wall) side of the vein. The relationsof...ated in Figure 1. Adjacent to the vein, on the north side, is a zone of hard, compactrock, bleachednearly |  | | Journal (article/letter/editorial) | | Economic Geology, Aachen University of Technology, Wüllnerstrasse 2, D-52056 Aachen, Germany Received 9 June...involving pervasive replacement of Fe-carbonates (siderite–ankerite) by Fe-sulfides. Gold mineralization...carbonate–quartz layers contain 50 to 95 vol.% carbonates (siderite, ankerite) and 5 to 45 vol.% quartz. Carbonaceous...70 vol.% quartz and 30 to 50 vol.% carbonates (siderite, Mn-rich ankerite, Fe-rich dolomite, calcite)...shadows of pyrite porphyroblasts, together with siderite and quartz. The presence of gersdorffite as free |  | Lepetit, P., Aehnelt, M., Viereck, L., Strauss, H., Abratis, M., Fritsch, S., Malz, A., Kukowski, N., Totsche, K.U. (2019) Intraformational fluid flow in the Thuringian Syncline (Germany) - Evidence from stable isotope data in vein mineralization of Upper Permian and Mesozoic sediments. Chemical Geology, 523. 133-153 doi:10.1016/j.chemgeo.2019.05.001 | Journal (article/letter/editorial) | | Intraformational fluid flow in the Thuringian Syncline (Germany) - Evidence from stable isotope data in vein mineralization...Intraformational fluid flow in the Thuringian Syncline (Germany) - Evidence from stable isotope data in vein mineralization...Intraformational fluid flow in the Thuringian Syncline (Germany) - evidence from stable isotope data in vein mineralization...Geowissenschaften, Friedrich-Schiller-Universität, Jena, Germany Abstract D MA NU SC RI PT Vein mineralization...Mesozoic sediments in the Thuringian Syncline, Germany, was investigated for the first time by petrography |
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Meyer Quarry, Hastenrath, Eschweiler, Aachen, Cologne, North Rhine-Westphalia, Germany