 | | Journal (article/letter/editorial) | | identifiedby pyrrhotiteskarnwith disseminated sphalerite,chalcopyrite, andscheelite, hasreplacedthe other...skarnpyrrhotite-sphalerite-chalcopyrite andporphyrypyrrhotite.Rubidium-strontium isotopes from Kuhn stockquartz...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 |  | | Journal (article/letter/editorial) | | Research Kiel, Wischhofstr. 1-3, D-24148 Kiel, Germany Received 26 September 2014; accepted in revised...samples consist predominantly of chalcopyrite, sphalerite, pyrite, galena and minor isocubanite as well...mineralogy consists of modally variable pyrite–sphalerite C.C. Wohlgemuth-Ueberwasser et al. / Geochimica...Cosmochimica Acta 159 (2015) 16–41 and chalcopyrite–sphalerite assemblages, in association with minor barite...(Fig. 1D). Here the mineralogy is dominated by sphalerite along with pyrrhotite, marcasite, and relatively |  | | 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) | | OF THE COPPER CREEK AREA, ARIZONA. TRUMAN H. KUHN. ABSTRACT. The Copper Creek area is in eastern...Sei., 5th series, •9: •oo, x93o. Am. Jour. 5x4 TRUMAN H. KUHN. ]3. H. Martin andR. S. Campof the...that cutsthe Gila conglomerate. 516 TRUMAN H. KUHN. Faulting.--Few large faults are presentin the...pipes. Min. Tech., May, 1938. 5•$ TRUMAN H. KUHN. matelyone-fourthmile westof CopperCreekpost-office...:IREz•, z•RIZONz•. 519 o u• 520 TRUMAN H. KUHN. faultshows. onthesurface between thegloryholes |  | | Journal (article/letter/editorial) | | crystalline masses 1 to 7 inches in diameter with sphalerite, galena, barite, and pyrite (Vaughan, 1926)....of Ferguson's Crossing dome in siderite with sphalerite (Rolshausen, 1936). Galena is often present in...inches in domes. Generally it is associated with sphalerite. At Belle Isle it occurs in super caprock formations...in the salt 376 mine at Winnfield dome (Hoy and Kuhn, 1964). SIDERITE - Brown massive siderite with numerous...numerous cavities containing galena, quartz, and sphalerite has been reported from the limestone caprock |  | | Report (issue) | | Zn and Cd occur predominantly in the mineral sphalerite; Cu in chalcopyrite; Zr and Hf in zircons; the...of a Sphalerite Crystal in Inertinite.................... 65 SEM Photomicrograph of Sphalerite in an...Subhedral Sphalerite Crystal....................... 66 SEM Photomicrograph of a Cylindrical Sphalerite Grain...of "Sphalerite" with a PbSe Inclusion.................... 68 SEM Photomicrograph of "Sphalerite", "Chalcopyrite"...Bit. Carb. Thorsby 10. Germany Bit. Carb. Floz Erda Ruhr 11. Germany Bit. Carb. Floz Johann |  | Petersen, S., Kuhn, K., Kuhn, T., Augustin, N., Hékinian, R., Franz, L., Borowski, C. (2009) The geological setting of the ultramafic-hosted Logatchev hydrothermal field (14°45′N, Mid-Atlantic Ridge) and its influence on massive sulfide formation. Lithos, 112 (1) 40-56 doi:10.1016/j.lithos.2009.02.008 | Journal (article/letter/editorial) | | massive sulfide formation S. Petersen a,⁎, K. Kuhn a,1, T. Kuhn a,2, N. Augustin a, R. Hékinian b,3, L. Franz...(IFM-GEOMAR), Wischhofstr. 1-3, D-24148 Kiel, Germany Institute of Geosciences, Christian-Albrechts-University...versity Kiel, Olshausenstr. 40, D-24118 Kiel, Germany Mineralogisch-Petrographisches Institut, Universität...Marine Microbiology, Celsiusstr. 1, D-28359 Bremen, Germany b c a r t i c l e i n f o Article history: Received...at: TU Bergakademie Freiberg, D-09596 Freiberg, Germany. 2 Now at: Leibniz Institute of Polymer Research |  | Keith, Manuel, Häckel, Florian, Haase, Karsten M., Schwarz-Schampera, Ulrich, Klemd, Reiner (2016) Trace element systematics of pyrite from submarine hydrothermal vents. Ore Geology Reviews, 72. 728-745 doi:10.1016/j.oregeorev.2015.07.012 | Journal (article/letter/editorial) | | Erlangen 91054, Germany Bundesanstalt für Geowissenschaften und Rohstoffe, Hannover 30655, Germany a r t i...sedimentary component and micro-inclusions of sphalerite are either due to fluid–sediment interaction or...Universität Erlangen-Nürnberg, Schlossgarten 5, D-91054, Germany. E-mail address: manuel.keith@fau.de (M. Keith)...ultramafic rocks are exposed on the seafloor (e.g., Kuhn et al., 2004; Paulick et al., 2006), whereas the...IRINA II sulfide mound of the Logatchev 1 vent field (Kuhn et al., 2004). The samples taken during TV-grab |  | | Report (issue) | | A/S 2.52 2.52 311 31 50 USNM17657). Gordon's Quarry, Montvllle, N.J. Amber colored, uniform, translucent...Colo. Brass yellow, xls. <0.5 mm. X-ray. <5t sphalerite. Sulfides 688 A/R A/R A/S 1.4 0.7 0.7 4...78 5.016 Clark (1966, p. 465) after Eucken and Kuhn (1928). 690 Pyrrhotite 8.4 8.6 8.3 A/R A/S A/R...some iridescent coloring. Pyrite impurity. 691 Sphalerite ZnS. 26.9 29.8 26.9 A/R A/S A/R 0.0 0.0 0... 35 34 Wards. Ottawa Co. brownish yellow. Sphalerite........... (63.6) 692 Galena PbS. 6.3 6.3 |  | Evrard, Catherine, Fouquet, Yves, Moëlo, Yves, Rinnert, Emmanuel, Etoubleau, Joël, Langlade, Jessica Aimée (2015) Tin concentration in hydrothermal sulphides related to ultramafic rocks along the Mid-Atlantic Ridge: a mineralogical study. European Journal of Mineralogy, 27 (5) 627-638 doi:10.1127/ejm/2015/0027-2472 | Journal (article/letter/editorial) | | The Sn concentration can reach up to 6 wt.% in sphalerite and 2 wt.% in chalcopyrite. Raman micro-spectroscopy...low-temperature sphalerite; (2) at high temperature (300 C) and low pH (3) sphalerite is replaced by... previously contained in the low-temperature sphalerite, contributes to the formation of stannite, as...micro-spectroscopy; chalcopyrite; stannite; kësterite; sphalerite; solid solution. ultramafic environments. For...with lowtemperature sulphides such as pyrite or sphalerite but, when temperature increases, Sn is trapped |  | Fallon, Emily, Frische, Matthias, Petersen, Sven, Brooker, Richard, Scott, Thomas (2019) Geological, Mineralogical and Textural Impacts on the Distribution of Environmentally Toxic Trace Elements in Seafloor Massive Sulfide Occurrences. Minerals, 9 (3) 162 doi:10.3390/min9030162 | Journal (article/letter/editorial) | | Ozeanforschung Kiel, Wischhofstr. 1-3, 24148 Kiel, Germany; mfrische@geomar.de (M.F.); spetersen@geomar.de...more reactive sulfosalts, galena and Fe-rich sphalerite. Thus, deposits such as these require special...pyrrhotite (high-temperature deposits) and Fe-rich sphalerite (ubiquitous to all SMS deposits) as well as deposits...ite/covellite/digenite/chalcocite for Cu and sphalerite/wurtzite for Zn. In contrast to Cu and Zn, Fe...chalcopyrite/bornite/tennantite-tetrahedrite, Zn for sphalerite/wurtzite and Pb for galena. Where EMPA data was |  | | Journal (article/letter/editorial) | | Meereswissenschaften, IFM-GEOMAR, Wischhofstr. 1-3, 24148 Kiel, Germany Keywords Platinum-group elements . Massive sulfide...and Rh (490 ppb) in massive sulfide ore, whereas Kuhn et al. (2005) noted low PGE concentrations in sulfides...field (Bogdanov et al. 1995; Gebruk et al. 2000; Kuhn et al. 2004). Hydrothermal deposits at the Logatchev...Mound sample of porous pyrite with minor black sphalerite (inactive chimney wall) M64/1 114ROV 5 Typical...geochemistry in rocks and sulfides from Logatchev (Kuhn et al. 2005). It should also be noted that variable |  | Wegorzewski, Anna, Köpcke, Martin, Kuhn, Thomas, Sitnikova, Maria, Wotruba, Hermann (2018) Thermal Pre-Treatment of Polymetallic Nodules to Create Metal (Ni, Cu, Co)-Rich Individual Particles for Further Processing. Minerals, 8 (11) 523 doi:10.3390/min8110523 | Journal (article/letter/editorial) | | Anna V. Wegorzewski 1, *, Martin Köpcke 2 , Thomas Kuhn 1 , Maria A. Sitnikova 1 and Hermann Wotruba 2 1...Resources (BGR), Stilleweg 2, D-30655 Hannover, Germany; Thomas.Kuhn@bgr.de (T.K.); MariaAlexandrovna.Sitnikova@bgr...University, Lochnerstr. 4-20, Haus C, D-52064 Aachen, Germany; martin@koepcke-ac.de (M.K.); wotruba@amr.rwth-aachen...increased again after the turn of the millennium. Germany needs to import valuable metals (Ni, Cu, Mn, Mo...state-owned organizations worldwide. Since 2006, Germany has held a license area of 75,000 km2 for Mn nodule |  | | Journal (article/letter/editorial) | | ellipticalor, morerarely,havea negative rahedrite,sphalerite,and galenacompletethe sulfide crystalshape.Fluid...Chlarit• Molybdenite PyrJte ChalcopyrJte Galena Sphalerite Tetrahedrite Calcite I 500 I 400 I 300 I...depth by ascendinghydrothermal fluids (Locke, 19œõ;Kuhn, 1941; Sawkins,19õ9; Sillitoe and Sawkins,1971)...Diatremesand explosions of gasexsolved fromcoolingmagmas: Am. Inst.MiningMetall.Engineers Tech. Pub. 891, p. 1-15...p. 940-946. 526 SCIENTIFIC COMM UNICA TIONS Kuhn, T. H., 1941, Pipe depositsof the CopperCreek area |  | Petersen, S., Monecke, T., Westhues, A., Hannington, M. D., Gemmell, J. B., Sharpe, R., Peters, M., Strauss, H., Lackschewitz, K., Augustin, N., Gibson, H., Kleeberg, R. (2014) Drilling Shallow-Water Massive Sulfides at the Palinuro Volcanic Complex, Aeolian Island Arc, Italy. Economic Geology, 109 (8) 2129-2158 doi:10.2113/econgeo.109.8.2129 | Journal (article/letter/editorial) | | Research Kiel, Wischhofstrasse 1-3, 24148 Kiel, Germany of Earth Sciences, University of Ottawa, Marion...Wilhelms-Universität Münster, Corrensstrasse 24, 48149 Münster, Germany Department of Earth Sciences, Laurentian University...Bergakademie Freiberg, Brennhausgasse 14, 09596 Freiberg, Germany Abstract A subseafloor replacement-style barite...during the main stage of mineralization include sphalerite, galena, pyrite, opal-A, and barite, which are...galena is commonly associated with colloform sphalerite, galena, and pyrite as a late phase of this main |  | | Journal (article/letter/editorial) | | interest—chalcopyrite, isocubanite (being copper sulfides) and sphalerite (zinc sulfide). All other minerals of SMS deposits...Chalcopyrite CuFeS2 ; Isocubanite CuFe2 S3in ; Sphalerite ZnS;Au Wurtzite Value Minerals: in parts per... and sphalerite, pyrite, and remaining gangue minerals as tailings. Flotability of sphalerite increases...and Fe2+/3+ High separation of chalkopyrite and sphalerite is possible through the combination of surface...cleaning with EDTA and depression of lead-activated sphalerite by zinc sulfate [82] SMS grinding and flotation |  | | Journal (article/letter/editorial) | | ‘Tagegang’ zone, consist˚ ing mainly of galena and sphalerite with subordinate pyrite and chalcopyrite ŽGeyti...tetrahedrite-bearing veins. Pyrite, chalcopyrite, tetrahedrite, sphalerite and galena occur as lenses and blebs in brecciated...together with wolframite, topaz, fluorite, pyrite, sphalerite and chalcopyrite in greisen veins. The ; 150-Mt...and has a combined sulphide content Žgalena, sphalerite, chalcopyrite and pyrite. of ; 30% ŽHarpøth et...small amounts of pyrrhotite, arsenopyrite and sphalerite ŽHarpøth et al., 1986; sample 8104241rA.. The |  | Peters, Marc, Strauss, Harald, Farquhar, James, Ockert, Charlotte, Eickmann, Benjamin, Jost, Cristiane L. (2010) Sulfur cycling at the Mid-Atlantic Ridge: A multiple sulfur isotope approach. Chemical Geology, 269 (3) 180-196 doi:10.1016/j.chemgeo.2009.09.016 | Journal (article/letter/editorial) | | Paläontologie, Corrensstr. 24, 48149 Münster, Germany University of Maryland, Department of Geology and...and Space Sciences, Campus Ring 1, 28725 Bremen, Germany a r t i c l e i n f o Article history: Received...in NW–SE direction and 400 m in SW–NE direction (Kuhn et al., 2004). The mafic and ultramafic host rocks...peridotites are thought to be the primary heat sources (Kuhn et al., 2004). Furthermore tectonic processes control...surrounded by small chimneys and smoking pipes (Kuhn et al., 2004). About 100 m to the east of Quest |  | | Journal (article/letter/editorial) | | from its interior. Precipitation temperatures of sphalerite calculated using the Fe/Zn ratio can help to...anhydrite-rich massive sulfides on the upper platform, and sphalerite-marcasite-pyrite-silica-rich massive sulfides...SigmaonHD Fieldminerals Emission GunFe,Analytical sphalerite: Zn)microscope on a daily basis. The SEM dataUniversity)...Field Emission Gun Environmental SEM, Zeiss, Jena, Germany, Cardiff acceleration potential of 15analyses kV...performed natural minerals University), elemental for sphalerite providedand onlySEM semi-quantitative resultson |  | Halbach, P., Blum, N., Münch, U., Plüger, W., Garbe-Schönberg, D., Zimmer, M. (1998) Formation and decay of a modern massive sulfide deposit in the Indian Ocean. Mineralium Deposita, 33 (3) 302-309 doi:10.1007/s001260050149 | Journal (article/letter/editorial) | | Fachrichtung Rohstound Umweltgeologie, 12249 Berlin, Germany W. PluÈger RWTH Aachen, Institut fuÈr Mineralogie...Aachen, Germany M. Zimmer GeoForschungsZentrum, Am Telegrafenberg A50, 14473 Potsdam, Germany D. Garbe-SchoÈnberg...Geologisch-PalaÈontologisches Institut, 24118 Kiel, Germany kg Mn) were measured in 1987 at the `Hydrothermal...fragments of jasper cemented by a porous matrix of sphalerite mixed with barite, silica and minor amounts of...ka with more copper-rich sul®de minerals and a sphalerite-bearing jasper mineralization. The respective |  | | Journal (article/letter/editorial) | | typesare generallyabsentfrom arc terranes,amag- (Kuhn,1941), the Ilkwangpipe (Fletcher,1977), and mat...Eoceneis noteworthy.This observationis inter- sure (Kuhn, 1941; Joralemon,1952), whereasthe pretedto reflecteraplacement...Calc-silicate Pyrite, chalcopyrite, bornitc, galena,sphalerite Pyrite, chalcopyrite Quartz, barite, Cu (Breton...(1982) Porter andRipIcy (1985) Latite 3,714 t Cu, Kuhn (1941), Jora- (1982) 3,151 t Mo lemon (1952)...Simmons and Sawkins(1983) Mo Sericitic Pyrite, sphalerite,ga- Quartz Not recognized Quartz monzo- nite( |  | Melchert, B., Devey, C.W., German, C.R., Lackschewitz, K.S., Seifert, R., Walter, M., Mertens, C., Yoerger, D.R., Baker, E.T., Paulick, H., Nakamura, K. (2008) First evidence for high-temperature off-axis venting of deep crustal/mantle heat: The Nibelungen hydrothermal field, southern Mid-Atlantic Ridge. Earth and Planetary Science Letters, 275 (1) 61-69 doi:10.1016/j.epsl.2008.08.010 | Journal (article/letter/editorial) | | a IFM-GEOMAR, Wischhofstr.1-3, D-24148 Kiel, Germany Woods Hole Oceanographic Institution, 266 Woods...University of Hamburg, Bundesstr. 53, D-20146 Hamburg, Germany d Institute of Environmental Physics, University...University of Bremen, Otto-Hahn-Allee, D-28359 Bremen, Germany e Pacific Marine Environmental Laboratory, NOAA...of Bonn, Poppelsdorfer Schloss, D-53115 Bonn, Germany g National Institute of Advanced Industrial Science...IFM-GEOMAR, Wischhofstr.1-3, Geb. 8E, 24148 Kiel, Germany. Tel.: +49 431 600 2140; fax: +49 431 600 2924 |  | | 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...Giant, and Globe mines) supplemented by galena, sphalerite, and silver-rich sulfosalts in base-metal-rich...distal deposits (Blue Bird and Bunker Hill mines, Kuhn, 1951 ). Primary gangue minerals include quartz |  | | Report (issue) | | thesis]: Tucson, University of Arizona, 277 p. Kuhn, T. H., 1938, Childs-Aldwinkle mine, in Some Arizona...amphlbollce schlsc Pyrlce, molybdenite, galena, sphalerite, and rare eerth elements In feldspar-bearing...tungsten, molybdenite, copper sulfldes, galena, and sphalerite In 65-n.y.-old quartz monzonlte. Disseminated...molybdenum mineral with Chalcopyrlte, galena, and sphalerite In shear zones In pyrometamorphosed Paleozoic...deposit. Chalcopyrlte, molybdenite, galena, and sphalerite, in Precambrian Oracle Granite, Plnal Schist |  | | Book (edition) | | Colorado (formerly the Atomic Energy Commission) AM _ American Museum of Natural History ASU Arizona...of the deposit. Small amounts of molybdenite, sphalerite, galena, or other sulfides may be present. The...greenockite molybdenite powellite(?) pyrite rickardite sphalerite stromeyerite tennantite tetrahedrite uraninite...mineralized with pyrite, chalcopyrite, galena, and sphalerite. These primary sulfides later were subjected...galena altered to anglesite and cerussite; and sphalerite formed smithsonite, hemimorphite, and willemite |
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