 | Sindern, S., Havenith, V., Gerdes, A., Meyer, F. M., Adelmann, D., Hellmann, A. (2019) Dating of anatase-forming diagenetic reactions in Rotliegend sandstones of the North German Basin. International Journal of Earth Sciences, 108 (4) 1275-1292 doi:10.1007/s00531-019-01705-x | Journal (article/letter/editorial) | | Rotliegend II sandstones from two wells in NW-Germany. Anatase grew after breakdown of detrital Ti-phases...Aachen, Germany 2 ShinEtsu, SE Tylose GmbH & Co. KG, Rheingaustr. 190â196, 65203 Wiesbaden, Germany 3 ...Geowissenschaften, Goethe University Frankfurt, Altenhoeferallee 1, 60438 Frankfurt, Germany 4 Wintershall...GmbH, FriedrichâEbertâStr. 160, 34119 Kassel, Germany Diagenetic mineral reactions in sandstones are...isotope techniques. For long time, mainly illite or illiteâsmectite mixed layer phases were used as authigenic |  | | Journal (article/letter/editorial) | | in the NE Rhenish Massif, Federal Republic of Germany B. Stribrny, H. Urban, and H. Weber Institut fiir...Lagerst/ittenkunde der J. W. Goethe-Universit/it Frankfurt/M, Federal Republic of Germany With 5 Figures Received...associated with varying amounts of calcite, dolomite, illite, chlorite and albite. Accessory minerals are baryte...extremely fine-grained shales; X-ray investigations on illite crystallinity, using the methods given by Kiibler...and intrabiogenetic cavities. Quartz, dolomite, illite, chlorite, albite and pyrite are present besides |  | Kneuker, Tilo, Blumenberg, Martin, Strauss, Harald, Dohrmann, Reiner, Hammer, Jörg, Zulauf, Gernold (2020) Structure, kinematics and composition of fluid-controlled brittle faults and veins in Lower Cretaceous claystones (Lower Saxony Basin, Northern Germany): Constraints from petrographic studies, microfabrics, stable isotopes and biomarker analyses. Chemical Geology, 540. 119501 doi:10.1016/j.chemgeo.2020.119501 | Journal (article/letter/editorial) | | Lower Cretaceous claystones (Lower Saxony Basin, Northern Germany): Constraints from petrographic studies...Lower Cretaceous claystones (Lower Saxony Basin, Northern Germany): Constraints from petrographic studies...Lower Cretaceous claystones (Lower Saxony Basin, Northern Germany): Constraints from petrographic studies...Kneuker@bgr.de 2 Institut fĂŒr Geowissenschaften, Goethe-UniversitĂ€t Frankfurt, Altenhöferallee 1, D-60438...cores from the central and eastern Lower Saxony Basin (Germany). Our na investigations are based on a |  | | Journal (article/letter/editorial) | | markedly homogeneous, containing mainly di-octahedral illite minerals, their crystallinity as most prominent...in its southern part characterized by increasing illite crystallinity from hanging to basal strata within...rocks investigated here presents an increase in illite crystallinity data from north to south (i. e. towards...an interpretation are the non-conformity of the illite crystallinity distribution within the existing...by K/Ar - a g e determinations of well ordered illite minerals gained from the Schwaz Triassic occurrence |  | | Report (chapter) | | Geosciences, Goethe-University Frankfurt, AltenhoÌferallee 1, D-60438 Frankfurt am Main, Germany (e-mail:...Carboniferous) north of the Rhenish Massif (Western Germany); this is an alternating sequence of fluvial sandstones...strong mechanical compaction, quartz overgrowths and illite cements were formed due to feldsparbreakdown reactions...while the third one is accompanied by pore-filling illite. Some late baryte cements post-date the quartz...The Solling-Formation (Lower Triassic, Central Germany) consists of red to beige fluvial sandstones which |  | Ma, Jialiang, Xiao, Lin, Zhang, Ke, Jiao, Yukun, Wang, Zhenzhen, Li, Jinxiao, Guo, Wenmu, Gao, Pengpeng, Qin, Shenjun, Zhao, Cunliang (2020) Geochemistry of CarboniferousâPermian Coal from the Wujiawan Mine, Datong Coalfield, Northern China: Modes of Occurrence, Origin of Valuable Trace Elements, and Potential Industrial Utilization. Minerals, 10 (9) 776 doi:10.3390/min10090776 | Journal (article/letter/editorial) | | Geoscience and Geography, Goethe-University Frankfurt, 60438 Frankfurt am Main, Germany Hebei Provincal Coalfield...pyrite, as well as trace amounts of quartz and illite. The No. 5 coal is enriched in Li, Ga, high field...Solms, Germany) reflected light microscope coupled with a halogen lamp (Leica, Solms, Germany, oil lens...2500 P microscope by Leica Microsystems, Solms, Germany) and scanning electron microscope in conjunction...pyrite. In addition, trace amounts of quartz and illite were found by the SEM-EDS in the coal samples. |  | Balsam, W., Ji, J., Renock, D., Deaton, B. C., Williams, E. (2014) Determining hematite content from NUV/Vis/NIR spectra: Limits of detection. American Mineralogist, 99 (11) 2280-2291 doi:10.2138/am-2014-4878 | Journal (article/letter/editorial) | | 22 23 24 10% illite 25 26 27 28 29 30 31 32 25% illite 33 34 35 36 37 38 39 40 50% illite 41 42 43 44...carbonate, and illite in the ratio 4/3/3; the Gulf matrix contains carbonate, silica, and illite in the ratio...function of lightâs wavelength. However, it was Goethe (1810) who suggested that color depended not only...carbonate, and silica; natural materials were used for illite, chlorite, kaolinite, and montmorillonite. Manufactured...carbonate or silica and darker matrices that included illite and chlorite. The base matrices included calcium |  | | Journal (article/letter/editorial) | | GoldschmidtstraĂe 1-3, D-37077 G⏠o ttingen, Germany ABSTRACT The Montagne Noire in the southernmost...(KI) and Arkai Index (AI; et al., 2002), called illite and chlorite crystallinities in older literature...the software MacDiff 4.2.5 of Dr. R. Petschick (Goethe-University, Frankfurt/Main) and a single peak fitting...full width at half maximum intensity of the first illite-muscovite basal reflection ((001) peak; K⏠ubler...further to the east (Wiederer et al., 2002), and an illite crystallinity study in the Carboniferous flysch |  | Guo, Wenmu, Li, Jinxiao, Wang, Zhenzhen, Zhang, Ke, Gao, Zheng, Ma, Jialiang, Zhao, Cunliang (2020) Mineralogical Characteristics of Early Permian Paragonite-Bearing Coal (No. 3) in the Jinyuan Mine, Tengxian Coalfield, Shandong Province, Eastern China. Minerals, 10 (8) 714 doi:10.3390/min10080714 | Journal (article/letter/editorial) | | Geoscience and Geography, Goethe-University Frankfurt, 60438 Frankfurt, Germany; ma@iau.uni-frankfurt.de...3 coal mainly comprise of kaolinite, ankerite, illite, calcite, siderite, and quartz, with varying compositions...minerals in Type A are poorly-ordered kaolinite, illite, quartz, pyrite, and jarosite. Type B is mainly...mainly composed of well-ordered kaolinite, illite, siderite, ankerite, and calcite. Type C, with just one...kaolinite (56.0% on average), ankerite (10.8%), and illite (8.8%), and to a lesser extent, calcite (below |  | | Journal (article/letter/editorial) | | for primary identiïŹcation of clay mineral phases (illite, kaolinite, chlorite, smectite, interlayered phases)...(2M1 ) and low-temperature (1Md ) polytypes of illite. XRD patterns of two clay standards, the Owl Creek...2M1 muscovite and the Clay Minerals Society 1Mt-1 illite, were collected under identical conditions during...the Joint Goethe University â Senckenberg BiK-F Stable Isotope Facility, Frankfurt, Germany. Approximately...analysis Five samples were selected for 40 Ar/39 Ar illite geochronology (van der Pluijm et al., 2001). For |  | | Journal (article/letter/editorial) | | diagenesis to the epizone, which ends with dioctahedral illite or K-white mica and trioctahedral chlorite (see...(KI; KuÌbler, 1964, 1967, 1968), also termed ââillite crystallinityââ in earlier literature, is almost...(EAl-O-Si/EOH) as a parameter for what he called ââillite crystallinityââ. Since then, the method has gained...index (KI; Guggenheim et al., 2002), also termed ââillite crystallinityââ in earlier literature (review in...2. KI is mainly controlled by the thickness of illite/muscovite crystallites (ââcoherent scattering domainsââ |  | Wang, H.Y., Byrne, J.M., Perez, J.P.H., Thomas, A.N., Göttlicher, J., Höfer, H.E., Mayanna, S., Kontny, A., Kappler, A., Guo, H.M., Benning, L.G., Norra, S. (2020) Arsenic sequestration in pyrite and greigite in the buried peat of As-contaminated aquifers. Geochimica et Cosmochimica Acta, 284. 107-119 doi:10.1016/j.gca.2020.06.021 | Journal (article/letter/editorial) | | Institute of Technology (KIT), 76131 Karlsruhe, Germany bGeomicrobiology, Center for Applied Geosciences...Tuebingen, Germany cGFZ German Research Center for Geoscience, 14473 Potsdam, Germany dDepartment...Sciences, Freie UniversitĂ€t Berlin, 12249 Berlin, Germany of Synchrotron Radiation, Karlsruhe Institute...Karlsruhe, Germany fInstitute of Geoscience, Goethe University, 60438 Frankfurt, Germany gState key... selected particles and areas were analyzed at Goethe University by wavelength spectrometer electron |  | | Journal (volume) | | sulfates. Illite and kaolinite are the clay minerals identified by XRD analysis. Thus, illite may appear...capacity of some of the clay minerals (especially illite) to concentrate Cu (Chen et al., 2012). In the...sulfidebearing mine tailings (mine district Freiberg, Germany). Applied Geochemistry, 22, 24862508. Hammarstrom...clays at Èibrinu, Medgidia. Fig. 6. Limestone quarry from Celea Mare - HĂąrÈova. Fig. 7. View from Canaraua...Peninsula, Sibioara âNÄvodari*) Deleni ( Roman quarry) Ornamental limestone Corbu*; Celea Lac âHĂąrÈova*; |  | RASMUSSEN, CORNELIA, REICHENBACHER, BETTINA, LENZ, OLAF, ALTNER, MELANIE, PENK, STEFANIE B. R., PRIETO, JEROME, BRĂSCH, DENNIS (2017) Middleâlate Miocene palaeoenvironments, palynological data and a fossil fish LagerstĂ€tte from the Central Kenya Rift (East Africa) Geological Magazine, 154 (1) 24-56 doi:10.1017/s0016756815000849 | Journal (article/letter/editorial) | | Munich, Richard-Wagner-Str. 10, 80333 MĂŒnchen, Germany §Institute of Applied Geosciences, Applied Sedimentology...Darmstadt, Schnittspahnstrasse 9, 64287 Darmstadt, Germany (Received 16 July 2015; accepted 5 October 2015;...localities such as the Eocene sediments at Messel, Germany (e.g. Micklich, 2012), the Green River Formation...variable divergence slit and an XâCelerator detector (Goethe University, Frankfurt am Main). The whole-rock...assicsoftware.html, 2001). The terms smectite, illite and kaolinite are used in a general sense to refer |  | | Book | | Palaeontological | University of Tubingen, Tubingen, Germany. An attempt is made in this b demonstrate the...University of Tiibingen, ELSEVIER Tiibingen, Germany PUBLISHING AMSTERDAM COMPANY / LONDON / NEW...Azerbaijan central Asia, upper Rhine (France, Germany), Ebro (Spain), Somali (Africa) Louisiana, Texas...Utah, Texas (U.S.A.), Tadzhikistan, northwestern Germany, western Europe central and western Europe, Sahara...Colorado, New Mexico, Utah (U.S.A.), northern Germany, Great Britain, Poland Louisiana, western Kansas |  | Martos-Villa, RubĂ©n, Mata, M. Pilar, Williams, Lynda B., Nieto, Fernando, Arroyo Rey, Xabier, Sainz-DĂaz, C. Ignacio (2020) Evidence of Hydrocarbon-Rich Fluid Interaction with Clays: Clay Mineralogy and Boron Isotope Data from Gulf of CĂĄdiz Mud Volcano Sediments. Minerals, 10 (8) 651 doi:10.3390/min10080651 | Journal (article/letter/editorial) | | incorporated into the tetrahedral sites of authigenic illite during the illitization of smectite. Therefore...geochemical characterization of illite, smectite or interlayered illiteâsmectite clay minerals can be an...mineralogy, B-content and isotopic composition in illiteâsmectite rich samples of mud volcanoes from the...hydrocarbon-rich fluids with clays. Molecular modeling of the illite structure was performed, using electron density...examine the phenomenon of B incorporation into illite at the atomic level. We found that it is energetically |  | Walter, Benjamin F., Gerdes, Axel, Kleinhanns, Ilka C., Dunkl, IstvĂĄn, 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, WilhelmstraĂe 56, 72074 TĂŒbingen, 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) | | thickness of weathered rock. As Johann Wolfgang von Goethe has already indicated, these wool-sacks were produced...the SPDS granite using both methods in the same quarry. 3.2. Analytical techniques After appropriate...according to the horizon concept), are from the same quarry. Data from those profiles have therefore been merged...2 ) correlates well with the relative amount of illite present in the < 2 pm fraction of the residual...70 K = kaolinite; G = gibbsite; Q = quartz; I = illite; V= vermiculite; Kfeld=K-feldspar; DEGREE=measure |  | Ballato, Paolo, Mulch, Andreas, Landgraf, Angela, Strecker, Manfred R., Dalconi, Maria C., Friedrich, Anke, Tabatabaei, Saeid H. (2010) Middle to late Miocene Middle Eastern climate from stable oxygen and carbon isotope data, southern Alborz mountains, N Iran. Earth and Planetary Science Letters, 300 (1) 125-138 doi:10.1016/j.epsl.2010.09.043 | Journal (article/letter/editorial) | | 14476 Potsdam, Germany Institut fĂŒr Geologie, UniversitĂ€t Hannover, 30167, Hannover, Germany Dipartimento...UniversitĂ€t MĂŒnchen, Luisen-Strasse 37, 80333, MĂŒnchen, Germany e Building and Housing Research Center, Sheikh...Mertonstrasse 17-21, 60325 Frankfurt/Main, Germany, and Goethe UniversitĂ€t Frankfurt Institut fĂŒr Geowissenschaften...Geowissenschaften Altenhöferallee, 60348 Frankfurt/Main, Germany. 0012-821X/$ â see front matter © 2010 Elsevier...variability from the base of the section, where only illite (11 to 24%) and chlorite (2 to 9%) occur, towards |  | | Book | | Eastern Europe regional names as Bavaria, Bohemia, Saxony, Tyrol, and many others, are generally used without...dependent on the generosity of aristoÂŹ crats, as in Germany or Russia. Povarennykh would like to see a rational...Scotland, Ireland, Sweden, Norway, Denmark, Finland, Germany, France, Italy, Spain, Portugal, Belgium, Austria...and chemist; assisted R. W. BunÂŹ sen in Marburg, Germany; opened chemical laboratory in Philadelphia (1848);...Wolfgang von Goethe (1749-1832) the wellknown German writer, poet, and philosopher. Goethe was also a keen |  | Dittrich, Thomas, Seifert, Thomas, Schulz, Bernhard, Hagemann, Steffen, Gerdes, Axel, PfĂ€nder, Jörg (2019) Archean Rare-Metal Pegmatites in Zimbabwe and Western Australia - Geology and Metallogeny of Pollucite Mineralisations. Springer International Publishing. doi:10.1007/978-3-030-10943-1 | Book | | España, Madrid, Spain Leo J. Millonig, WĂŒrzburg, Germany John F. Slack, U.S. Geological Survey (Emeritus)...Mineralogy TU Bergakademie Freiberg Freiberg, Sachsen, Germany Thomas Seifert Division of Economic Geology and...Mineralogy TU Bergakademie Freiberg Freiberg, Sachsen, Germany Bernhard Schulz Division of Economic Geology and...Mineralogy TU Bergakademie Freiberg Freiberg, Sachsen, Germany Steffen Hagemann Centre for Exploration Targeting...Department of Geosciences Goethe University Frankfurt Frankfurt am Main, Hessen, Germany Jörg PfĂ€nder Ar-Ar-Lab/Division |  | | Report (issue) | | Stribrny, Federal Republic of Germany H. Dill, Federal Republic of Germany R.C. Mehrotra, India F. El Salem...east-central Kansas, with the Middle Pennsylvanian Mecca Quarry Shale Member of the Carbondale Formation in Illinois...shales and mudstones consist of about 20 percent illite, 20 percent carbonate minerr ls (as aggregates...Molybdenum and other heavy metals of the Mecca Quarry and Logan Quarry shales: Economic Geology v. 78, p. 132-149...East-Central Kansas, with the Middle Pennsylvanian Mecca Quarry Shale Member of the Carbondale Formation in Illinois |  | LiivamĂ€gi, S., Ć rodoĆ, J., Bojanowski, M.J., Gerdes, A., Stanek, J.J., Williams, L., Szczerba, M. (2018) Paleosols on the Ediacaran basalts of the East European Craton: A unique record of paleoweathering with minimum diagenetic overprint. Precambrian Research, 316. 66-82 doi:10.1016/j.precamres.2018.07.020 | Journal (article/letter/editorial) | | Institute of Geosciences, Goethe University Frankfurt, 60438 Frankfurt, Germany 4 Institute of Physics,...carbonates), and age of diagenetic alteration (K-Ar of illite and aluminoceladonite) were studied. The technique...is very illitic in the Kaplonosy profile. Such illite-smectite dominates in the lower part of Kaplonosy...profile, while in the upper part, discrete 1Md illite is abundant. Kaolinite content can reach 60 wt...2:1 clay, which is smectite-dominated mixed-layer illite-smectite. Based on the positions of reflections |  | Radke, Jens, Bechtel, Achim, Gaupp, Reinhard, PĂŒttmann, Wilhelm, Schwark, Lorenz, Sachse, Dirk, Gleixner, Gerd (2005) Correlation between hydrogen isotope ratios of lipid biomarkers and sediment maturity. Geochimica et Cosmochimica Acta, 69 (23) 5517-5530 doi:10.1016/j.gca.2005.07.014 | Journal (article/letter/editorial) | | Biogeochemie, Jena, Germany Rheinische Friedrich-Wilhelms-UniversitĂ€t Bonn, Bonn, Germany 3 Friedrich Schiller...Jena, Germany 4 J.-W. Goethe-UniversitĂ€t, Frankfurt, Germany 5 UniversitĂ€t zu Köln, Cologne, Germany (Received...address: Thermo Electron (Bremen) GmbH, Bremen, Germany. 5517 5518 J. Radke et al. sively investigated...are represented in the KS sediments of Northern Germany (Grice et al., 1997). 4.1.1. Correlation of âŠD...from Posidonienschiefer from the Vlotho Massif, Germany. 4.1.2. Correlation of âŠD values of intermediate |  | | Journal (article/letter/editorial) | | room tem- peraturepeakat 10Jl wasidentifiedas illite. This identificationmight include smectite,muscovite...as a weatheringproduct. The mineral identifiedas illite by visible and near-infrared reflectancein the...g., CC4, alunite;RH1, RH2, RH$, RH4, CP6, CP7, illite; EX2, kaolinite. XRD dependson long-range crystallineorderfor...concretions. wasthe molepercentaluminumsubstituted into goeThe effect of pH on aluminum incorporationmay thite |
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