 | | Journal (article/letter/editorial) | | Goldschmidt-Str. 3 D-3400 Gottingen, Fed. Rep. Germany ABSTRACT: The tectonically stable Bermuda Carbonate...were chiefly composed of aragonite and high-Mg-calcite at the onset of diagenesis, whereas they now commonly...commonly appear as mixtures of aragonite and low-Mg-calcite. Marine cements (five kinds of high-Mgcalcite cement...inflicted neomorphism, cementation with low-Mg-calcite (several kinds of cement) and solution on the marine...karst and calichification are common. High-Mg-calcite is usually the first mineral to disappear under |  | | Journal (article/letter/editorial) | | from the Middle Eocene of the Geiseltal, Eastern Germany a Rolf Kohring & Karl F. Hirsch b a Institut...Berlin , Malteserstr. 74-100, Haus D, 12249 Berlin, Germany b University of Colorado Museum , Campus Box 218...from the Middle Eocene of the Geiseltal, Eastern Germany, Journal of Vertebrate Paleontology, 16:1, 67-80...FROM THE MIDDLE EOCENE OF THE GEISELTAL, EASTERN GERMANY Downloaded by [York University Libraries] at 02:08...Berlin, Malteserstr. 74-100, Haus D, 12249 Berlin, Germany; 2University of Colorado Museum, Campus Box 218 |  | Amini, Marghaleray, Eisenhauer, Anton, Böhm, Florian, Fietzke, Jan, Bach, Wolfgang, Garbe-Schönberg, Dieter, Rosner, Martin, Bock, Barbara, Lackschewitz, Klas S., Hauff, Folkmar (2008) Calcium isotope (δ44/40Ca) fractionation along hydrothermal pathways, Logatchev field (Mid-Atlantic Ridge, 14°45′N) Geochimica et Cosmochimica Acta, 72 (16) 4107-4122 doi:10.1016/j.gca.2008.05.055 | Journal (article/letter/editorial) | | Meereswissenschaften, IFM-GEOMAR, Wischhofstr. 1-3, 24148 Kiel, Germany Fachbereich 5 - Geowissenschaften, Universität...Klagenfurter Straße, Gebäude GEO, 28359 Bremen, Germany c Institut für Geowissenschaften, Christian-A...sität zu Kiel, Olshausenstr. 40, 24118 Kiel, Germany d Sektion Anorganische und Isotopen-Geochemie,... Potsdam, Telegrafenberg B325, 14473 Potsdam, Germany e Department of Marine Chemistry and Geochemistry... Ca-bearing mineral phases such as aragonite, calcite, anhydrite and subordinately hydrous Ca-silicates |  | | Journal (article/letter/editorial) | | andporphyrypyrrhotite.Rubidium-strontium isotopes from Kuhn stockquartz feldsparporphyrydefinea 69 _+2 m.y....high initial ratio of 0.712, indicatingthat the Kuhn stockhad a sialiccrustalcomponent.Isotopicdiseq...producedgraniticmelts rich in lithophile elements.The Kuhn stockis an oxidizedgranitoidof sedimentary origin...of Cassiar,was discoveredin 1978 by the late Bill Kuhn who panned scheelite from stream sediments. There... nomic interest: the A zone, which includes the Kuhn tungsten-molybdenum skarnshowing,andto the west |  | | Journal (article/letter/editorial) | | (Pb-Ag) in the Harz Mountains Mining District, Germany Kerstin Kuhn * and Jeannet A. Meima Federal Institute...Resources (BGR), Stilleweg 2, 30655 Hannover, Germany; jeannet.meima@bgr.de * Correspondence: kerstin...the old Bergwerkswohlfahrt mine waste dump in Germany were studied. The investigations focused on textural...the old Bergwerkswohlfahrt mine waste dump in Germany. In this paper, the economic potential of this...successfully in tailings by Khajehzadeh et al. [20] and Kuhn et al. [21]. LIBS was used to possibly reduce costs |  | | Journal (article/letter/editorial) | | University of Bremen, Post Box 330440, D-28334 Bremen, Germany b IFM-GEOMAR, Leibniz-Institut für Meereswissenschaften...Meereswissenschaften, Wischhofstrag e 1-3, D-24148 Kiel, Germany Received 6 July 2004; received in revised form...fraction (b63 Am) showed a marked increase in the presence of the coarse (500–1000 Am) to very coarse...coarse (N1000 Am) sand-size fractions (Andresen, 2000; Rendle et al., 2000). It has been suggested that this...components or fine fraction (b63 Am) from the sand-size, coarse fraction (N63 Am). The sand fraction was subsequently |  | | Report (issue) | | conform, to that of the U.S. Geological Survey. I am extremely grateful to members of the U.S. Geological...GEOCHEMISTRY detailed zoning in various parts of Germany, see Lotze, 1938, p. 400-503). The marginal changes...19 lists four such cycles in the Zechstein of Germany, in which thick evaporite beds are separated by...anhydrite layers which are generally much thinner. In Germany these are particularly well developed in the older...Mexico, which consists largely of layered anhydrite-calcite rock; Udden (1924, p. 353) found that the anhydrite |  | | Journal (article/letter/editorial) | | consists of an extremely fine-grained aggregate of calcite crystals. On weathering this aggregate becomes...would be heightened by the high birefringence of calcite. Direct observation confirms this theory. Many...examined. Algal Dust 193 tiny crystals of calcite situated just below the point of focus of the microscope...the grain size and mode of aggregation of the calcite lends support to this theory. On the other hand...in slide as a result. It has lately been held by Kuhn (ig28) that Aphralysia is not an alga but a hydrozoon |  | Xu, Hengchao, Peng, Xiaotong, Ta, Kaiwen, Song, Taoran, Du, Mengran, Li, Jiwei, Chen, Shun, Qu, Zhiguo (2020) Structure and Composition of Micro-Manganese Nodules in Deep-Sea Carbonate from the Zhaoshu Plateau, North of the South China Sea. Minerals, 10 (11) 1016 doi:10.3390/min10111016 | Journal (article/letter/editorial) | | are suffering strong micritization. Within the calcite micrite, numerous micro-manganese nodules were...DFC550 digital camera (Leica Camera AG, Wetzlar, Germany) at IDSSE. Due to the high abundance of carbonate...Wissenschaftliche Instrumente und Technologie GmbH, Ulm, Germany) at IDSSE. All Raman peak positions were read directly...grains of algae and foraminifers were embedded in a calcite muddy matrix, which were fractured, vuggy, and...species (Am) andother otherfree-living free-living benthic foraminifera like Tests species (Am) and benthic |  | | Journal (article/letter/editorial) | | a Netzsch STA 449 system (Netzsch GmbH, Selb, Germany) to investigate the thermal behavior of each silica...interaction of ethanol and/or water with the surface of calcite. They have demonstrated, both experimentally and...with both Ca–O and O–H functional moieties of the calcite surface to build a highly ordered, strongly D...The interaction of ethanol and water with the calcite surfaces is mirrored in our observations from the...the surface. In view of this similarity between calcite and silica, analogous molecular behavior of ethanol |  | | Journal (article/letter/editorial) | | Natural Resources, Stilleweg 2, 30650 Hannover, Germany A R T I C L E I N F O A B S T R A C T Keywords:...Croudace et al. (2006), Haavisto et al. (2013), Kuhn et al. (2016), Liang et al. (2012), Meima and Rammlmair...resolution and nearly no sample preparation needed (e.g. Kuhn et al., 2016; Meima and Rammlmair, 2020). Additionally...et al., 2008; El Haddad et al., 2019; Kuhn et al., 2016; Kuhn and Meima, 2019; Meima and Rammlmair, 2020;...complex of the Storkwitz carbonatite in eastern Germany. This carbonatitic complex has been investigated |  | | Report (issue) | | distal veins with first activity dating to 1863 (Kuhn, 1951). Later exploration and mining activities...Martin, 1910, Higgins, 1911, Weed, 1913, Hafer, 1914, Kuhn, 1951, Simons, 1964). Beginning in the late 1950's...(unpubL, various scales); Hammer (unpubl., 1 :12000); Kuhn, 1941; Simons, 1964· Phelps Dodge Corp: (unpubl...distal deposits (Blue Bird and Bunker Hill mines, Kuhn, 1951 ). Primary gangue minerals include quartz... siderite, ankerite, rhodochrosite, dolomite, calcite, and zeolites. Secondary ore minerals, including |  | | Book (edition) | | (Placodermi); CH (Chondrichthyes); OS (Osteichthyes); AM (Amphibia); RE (Reptilia); AV (Aves); MA (Mammalia);...Senckenbergischen Natur forschenden Gesellschaft. Frankfurt am Main, FRG: Verlag Waldemar Kramer. 1834- (Formerly...Palaeontologists. 1976-. ISSN: 03115518. Serials Am. J. Phys. Anthropol. - American Journal of Physical..." 1943.7 00029483. R. Liss, Inc. Vol. ISSN: Am. J. Sci. - American Journal of _ Science. New Haven...Laboratory, Yale University. 1819-. ISSN: 00029599. Am. Mus. Novit. - American Museum Novitates. New York |  | | Journal (article/letter/editorial) | | pearly luster (Hurlbut and Taylor, 1938). CALCITE-Calcite is the predominant mineral in the limestone...over one inch in maximum dimensions. Some of the calcite is moderately fluorescent and slightly phosphorescent...Although the limestone of most domes is predominantly calcite, a few have portions where dolomite is predominant...the vugular limestone c.aprock lined with small calcite crystaJs. The one on the right shows a vug on top...in the salt 376 mine at Winnfield dome (Hoy and Kuhn, 1964). SIDERITE - Brown massive siderite with numerous |  | | Journal (article/letter/editorial) | | — Millestroma Gregory, 1898 ; Stromatoporellina Kuhn, 1927. Diagnosis.—Stromatoporoids with reticulum...Milleporella Deninger, 1906, p. 66; Dehorne, 1920, p. 98; Kuhn, 1928, p. 86; Yabe and Sugiyama, 1930, p. 27; Steiner...Steiner, 1932, p. 83; Yabe and Sugiyama, 1935, p. 159; Kuhn, 1939, p. A47; Lecompte, 1952, p. 28; Alloiteau...66-68, pi. 7, figs. 8a, b ; Dehorne, 1920, p. 98; Kuhn, 1928, p. 86; Steiner, 1932, p. 83. Milleporella...consists of very fine, evenly sized, granular calcite, variously dark, cloudy or clear, often forming |  | | Journal (article/letter/editorial) | | 共Kreul, Kunstler, Farben, Fabrik, Hallendorf, Germany兲 were analyzed. Cross sections of polyester resin-embedded...identification of salt efflorescence Sample 1 contains a calcite- 共CaCO3兲 rich fresco ground with a dark painting...according to X-ray microdiffraction 共Figure 3兲 was calcite, gypsum 共CaSO4 · 2H2O兲, weddellite 共CaC2O4 · H2O兲...phases, proving aging and deterioration of original calcite fresco matrix. Mg presence found by EDX, boussingaultite...containing mostly clay minerals, quartz 共SiO2兲, calcite 共CaCO3兲, and/or Fe oxides. Knowledge of their mineralogical |  | Paul, Sophie A.L., Volz, Jessica B., Bau, Michael, Köster, Male, Kasten, Sabine, Koschinsky, Andrea (2019) Calcium phosphate control of REY patterns of siliceous-ooze-rich deep-sea sediments from the central equatorial Pacific. Geochimica et Cosmochimica Acta, 251. 56-72 doi:10.1016/j.gca.2019.02.019 | Journal (article/letter/editorial) | | and Earth Sciences, Jacobs University Bremen, Germany 2 Alfred Wegener Institute Helmholtz Centre for...Bremerhaven, Germany 3 University of Bremen, Faculty of Geosciences, Bremen, Germany * corresponding...close to seamounts and faults (Mewes et al., 2016; Kuhn et al., 2017). This shows that deep oxygen penetration...International Seabed Authority, 2010; Mewes et al., 2014; Kuhn, 2015; Volz et al., 2018). The preservation of calcareous...carbonate compensation depth (CCD) below which calcite dissolves. Today, the seafloor is 7 mostly below |  | Suchý, Václav, Zachariáš, Jiří, Tsai, Hsien-Chen, Yu, Tsai-Luen, Shen, Chuan-Chou, Svetlik, Ivo, Havelcová, Martina, Borecká, Lenka, Machovič, Vladimír (2019) Relict Pleistocene calcareous tufa of the Chlupáčova sluj Cave, the Bohemian Karst, Czech Republic: A petrographic and geochemical record of hydrologically-driven cave evolution. Sedimentary Geology, 385. 110-125 doi:10.1016/j.sedgeo.2019.03.014 | Journal (article/letter/editorial) | | inclusion and stable isotope (C and O) analyses of calcite from tectonic veins cutting through its wallrock...regional hypogene processes. The formation of calcite veins, which occurred at 700–400 ka, was probably...carbonate tubules covered with isopachous banded calcite cements, is interpreted as ancient bryophyte tufa...microstromatolites, calcareous algal chambers, calcite crystals with cloudy cores and clear sparitic rims...stibnite, gothic-arch calcite, gypsum, Mn-minerals, opaline silica) and sparry calcite were precipitated |  | | Journal (article/letter/editorial) | | versus sulfates) and within a mineral class (e.g., calcite versus dolomite). Additional emissivity spectra...reproduction in any form reserved. Postawko and Kuhn 1986, Siderov and Zolotov 1986, Pollack et al. 1987)...Mineral hand samples Calcite C2 Calcite C7 Calcite C8 Calcite C9 Calite C10 Calcite Calcite Magnesite Magnesite...Lake, Quebec, Canada (Burminco 1100-A) Crestmore Quarry, Riverside Co., California (Burminco 1100-F) Unknown...California (Burminco 1840-D) Corydon Crushed Rock Quarry, Corydon, Indiana Redwall Formation, Granite Wash |  | | Journal (article/letter/editorial) | | Upper Jurassic Solnhofen Limestone of southern Germany provides new information about the species. The...insektenfressende Flederm~iuse und dtirften nur kurze Zeit am Boden verbracht haben. Die Taxonomie der Anurognathidae...within the Rhamphorhynchidae for the genus, and KUHN (1937) elevated it to family status as the Anurognathidae...Solnhofen Limestone (Malm Zeta 2) of Eichst~tt, Germany is a welcome addition to the anurognatbid record...specimen suffered little damage from the formation of calcite crystals in joints, but some elements are stained |  | | Report (chapter) | | quality, and the size of the ‘packages’ available (Kuhn 1991; Ataman et al. 1992). Availability also includes...Torrence 1989; Raven 1992; Kuhn 1995, 2004). It is generally agreed (Geneste 1989; Kuhn 1995) that for any group...otherwise of raw material sources (Geneste 1988; Kuhn 1995; Wilson 2007c). Given all those factors, it...technological and subsistence organization in the past. Kuhn (1991, 1995, 2004), for instance, has worked on...their territory in a predictable way (which, as Kuhn (1995) pointed out, promotes a strategy of provisioning |  | | Journal (article/letter/editorial) | | Paleocene–Eocene Thermal Maximum in the Dababiya Quarry section, Egypt Peter Schulte a,⁎, Christian Scheibner...Erlangen, Germany Department of Geosciences, Bremen University, P.O. Box 330440, D-28334 Bremen, Germany Department...geochemical investigation of the outer neritic Dababiya Quarry PETM section in Central Egypt, which serves as...southern Tethyan margin (Fig. 1), the Dababiya Quarry section in central Egypt (Figs. 2 and 3), is considered...al., 2006). Key characteristics of the Dababiya Quarry section are the relatively gradual onset of the |  | Li, Chao, Song, Weiyu, Sun, Zhenjun, Hu, Gang, Yuan, Xiaojun, Kao, Shuh-Ji (2023) Controls on Critical Metal Enrichments in Ferromanganese Nodules from the Philippine Sea, at Water Depths of 4400–6000 m. Minerals, 13 (4) 522 doi:10.3390/min13040522 | Journal (article/letter/editorial) | | nodules. An enhanced supply of iron hydroxide due to calcite dissolution resulted in a dilution effect on Co...the dissolution of carbonate plankton such as calcite skeletons and aragonite [34–36]. The □-West Philippine...the dissolution of carbonate plankton such as calcite skeletons and aragonite [34–36]. The concentration...release of Fe oxyhydroxide from CCD. The high calcite dissolution rate contributes to the budget of Fe...Elsevier: Amsterdam, The Netherlands, 2013; pp. 273–291. Kuhn, T.; Wegorzewski, A.; Rühlemann, C.; Vink, A. Composition |  | Bevandić, Srećko, Blannin, Rosie, Vander Auwera, Jacqueline, Delmelle, Nicolas, Caterina, David, Nguyen, Frederic, Muchez, Philippe (2020) Geochemical and Mineralogical Characterisation of Historic Zn–Pb Mine Waste, Plombières, East Belgium. Minerals, 11 (1) 28 doi:10.3390/min11010028 | Journal (article/letter/editorial) | | Freiberg for Resource Technology, 09599 Freiberg, Germany; blanni70@hzdr.de Department of Geology, University...materials (e.g., cement, roof tiles, brick, etc.) [22]. Kuhn and Meima (2019) characterized both tailings and...The most common gangue minerals are carbonates (calcite and dolomite) and quartz. This type of ore is most...[18]. Quartz, muscovite, feldspars, chlorite, calcite and clay minerals originate from the filling found...phases likely droplets of metallic phases. (d) Calcite grain agglomerated with grains of galena. The |  | | Journal (issue) | | mal gar nichts, doch Olaf meint nur: ,,So schaut ·s am Anfang immer aus" - und zieht schließlich mehrere...(Mark MAUTHNER) Schlanker Bergkristall „ vor Ort" am Rauriser Sonnblick, 37 cm hoch. Fund und Foto: Klaus...in der Mittelschule St. Johann im Ahrntal beginnt am Samstagabend. den 15. April um 19 Uhr mit einem Foto-...Freunde - 1 Abenteuer'': Mineraliensuche am Mont Blanc). Am Sonntag, den 16. April folgt um 10 Uhr die...Mineralien Welt IdarOberstein Antike Steinschnitte sind am 20.+21. Mai Thema der Sonderschau „Coll~ction Trois |
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Kuhn Quarry, Waldhambach, Annweiler am Trifels, Südliche Weinstraße, Rhineland-Palatinate, Germany