 | | 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...black smokers are characterized by a pyrrhotite–chalcopyrite–isocubanite mineral assemblage suggesting conditions...field (Bogdanov et al. 1995; Gebruk et al. 2000; Kuhn et al. 2004). Hydrothermal deposits at the Logatchev...Ridge) Cu-rich M64/1 139GTV 1A1 Mound sample of chalcopyrite-rich inactive conduit (3 cm diameter tube) with |  | | Journal (article/letter/editorial) | | pyrrhotiteskarnwith disseminated sphalerite,chalcopyrite, andscheelite, hasreplacedthe other skarnfacies...skarnpyrrhotite-sphalerite-chalcopyrite andporphyrypyrrhotite.Rubidium-strontium isotopes from Kuhn stockquartz f...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 |  | | 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...with pitchy limonite, malachite, and relict chalcopyrite. Figure 3b. Hand sample showing equigranular...Childs-Aldwinkle breccia, showing coarse-grained chalcopyrite-molybdenite replaced by bornite-chalcocite-magnetite |  | | 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) | | Research Kiel, Wischhofstr. 1-3, D-24148 Kiel, Germany Received 26 September 2014; accepted in revised...and Au. The samples consist predominantly of chalcopyrite, sphalerite, pyrite, galena and minor isocubanite...Co-precipitating pyrite and chalcopyrite are characterized by equal contents of Te, while chalcopyrite that replaced... Te, Ba, Au, Pd, and U distributions within chalcopyrite of the vent wall. A number of subsequent studies...Geochimica et Cosmochimica Acta 159 (2015) 16–41 and chalcopyrite–sphalerite assemblages, in association with |  | | 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 |  | 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 |  | Ciazela, Jakub, Koepke, Juergen, Dick, Henry J.B., Botcharnikov, Roman, Muszynski, Andrzej, Lazarov, Marina, Schuth, Stephan, Pieterek, Bartosz, Kuhn, Thomas (2018) Sulfide enrichment at an oceanic crust-mantle transition zone: Kane Megamullion (23°N, MAR) Geochimica et Cosmochimica Acta, 230. 155-189 doi:10.1016/j.gca.2018.03.027 | Journal (article/letter/editorial) | | Lazarov, Stephan Schuth, Bartosz Pieterek, Thomas Kuhn PII: DOI: Reference: S0016-7037(18)30187-X https://doi...Muszynski, A., Lazarov, M., Schuth, S., Pieterek, B., Kuhn, T., Sulfide enrichment at an oceanic crust-mantle...Universität Hannover, Callinstr. 3, 30167 Hannover, Germany 2 Institute of Geology, Adam Mickiewicz University...Universität Mainz, J-J-Becher-Weg 21, 55128 Mainz, Germany 6 Bundesanstalt für Geowissenschaften und Rohstoffe...Rohstoffe, Stilleweg 2, 30655 Hannover, Germany. * corresponding author: jc@cbk.pan.wroc.pl, phone: +48 |  | 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...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...and Humphris (1998), 2 Edmonds et al. (1996), 3 Kuhn et al. (2004), 4 Haase et al. (2005), 5 Koschinsky |  | | Report (issue) | | predominantly in the mineral sphalerite; Cu in chalcopyrite; Zr and Hf in zircons; the REE, Y, and Th in..... 40 2. 7. 10. SEM Photomicrograph of Chalcopyrite in Inertinite................................ 68 SEM Photomicrograph of "Sphalerite", "Chalcopyrite", and Lead Selenide........ 68 SEM Photomicrographs...Bit. Carb. Thorsby 10. Germany Bit. Carb. Floz Erda Ruhr 11. Germany Bit. Carb. Floz Johann..."Zircon" (Zr, Si//) "Barite" (Ba, S//) ___. "Chalcopyrite" (Fe, Cu, S//) ______Cu// "Clausfchalit.e" |  | Schmidt, Katja, Koschinsky, Andrea, Garbe-Schönberg, Dieter, de Carvalho, Leandro M., Seifert, Richard (2007) Geochemistry of hydrothermal fluids from the ultramafic-hosted Logatchev hydrothermal field, 15°N on the Mid-Atlantic Ridge: Temporal and spatial investigation. Chemical Geology, 242 (1) 1-21 doi:10.1016/j.chemgeo.2007.01.023 | Journal (article/letter/editorial) | | Bremen, Germany b University of Kiel, Institute of Geosciences, Olshausenstr. 40, 24118 Kiel, Germany c Federal...Marine Chemistry, Bundestr. 55, 20146 Hamburg, Germany Received 14 August 2006; received in revised form...carried out recently: cruise M60/3 (Jan./Feb. 2004; Kuhn and Shipboard Scientific Party, 2004) and cruise...harzburgites, some pyroxenites) as well as gabbroic rocks (Kuhn and Shipboard Scientific Party, 2004; Lakschewitz...high diversity of vent sites and associated fauna (Kuhn and Shipboard Scientific Party, 2004; Lakschewitz |  | | Journal (article/letter/editorial) | | native arsenic (Barnes, 1933). OHALCOPYRITE - Chalcopyrite occurs with native arsenic and other sulfides...slope of Shaft Hill and is exposed in test pits. Chalcopyrite was also found at Belle Isle while sinking a...in the salt 376 mine at Winnfield dome (Hoy and Kuhn, 1964). SIDERITE - Brown massive siderite with numerous...along minute fractures in a white clay exposed in a quarry on Piedras Pintas dome in Texas. Other minerals...AAPG Bull., v, 37, p. 2455-74. Barnes, V. E., 1933, AM, V. 18, p. 335-340. Barton, D. C., 1926, in Gool |  | | Journal (article/letter/editorial) | | 5øC between0ø to -20øC for the freezing Pyrite,chalcopyrite, andmolybdenite arethedom- stage. Primary, pseudosecondary...type III inclusionsincludehalite, hematite, and chalcopyrite (?). Halite cubes were observedin all type III...oftheWashingtonand Bolivar occursas reddishhexagonalplatesand chalcopyrite Fl(;. 2. North-southcrosssection breecias. occursasopaque...depth by ascendinghydrothermal fluids (Locke, 19œõ;Kuhn, 1941; Sawkins,19õ9; Sillitoe and Sawkins,1971)...the formation of breccias. 450 Summary 1. Chalcopyrite,molybdenite,and scheelitemineralizationwithin |  | | 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...Principalgangue Sericitic, chloritic, argillic Pyrite, chalcopyrite, pyrrhotite,magnetite, molybdenite Quartz,calcite...Calc-silicate Pyrite, chalcopyrite, bornitc, galena,sphalerite Pyrite, chalcopyrite Quartz, barite, Cu... quartz Sericitic (t), K silicate Pyrite, chalcopyrite, molybdenite,bornitc Quartz, sericite, chlorite |  | 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...chimneys at Logatchev consist predominantly of chalcopyrite and pyrite. The smoking crater Quest is situated |  | 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) | | reach up to 6 wt.% in sphalerite and 2 wt.% in chalcopyrite. Raman micro-spectroscopy investigation suggests...C) and low pH (3) sphalerite is replaced by chalcopyrite; Sn, previously contained in the low-temperature...eventually Sn is distributed within newly formed chalcopyrite (,1 wt.%). Tin enrichment of Zn-Cu ores appears...microprobe analysis; Raman micro-spectroscopy; chalcopyrite; stannite; kësterite; sphalerite; solid solution...minerals are mainly sphalerite, wurtzite and chalcopyrite, with minor galena. Secondary minerals are essentially |  | 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) | | sugakiite [Cu(Fe,Ni)8S8], samaniite [Cu2(Fe,Ni)7S8], chalcopyrite, chalcocite, bornite and cubanite), native copper...in peridotites are pentlandite ± pyrrhotite ± chalcopyrite and occur as inclusions within silicates (e...peridotite samples contain copper sulfides (chalcopyrite, Cu-pentlandite, sugakiite [Cu(Fe,Ni)8S8], samaniite...assemblage pentlandite + violarite + smythite + chalcopyrite + magnetite. Violarite and smythite form a sub-microscopic...violarite and smythite replace pentlandite). Chalcopyrite forms veins and is occasionally also rimmed |  | Pertsev, A. N., Bortnikov, N. S., Vlasov, E. A., Beltenev, V. E., Dobretsova, I. G., Ageeva, O. A. (2012) Recent massive sulfide deposits of the Semenov ore district, Mid-Atlantic Ridge, 13°31′ N: Associated rocks of the oceanic core complex and their hydrothermal alteration. Geology of Ore Deposits, 54 (5) 334-346 doi:10.1134/s1075701512050030 | Journal (article/letter/editorial) | | carbonate ± chlorite Pyrrhotite + pyrite + chalcopyrite ± (Ni,Fe)4S5 Basic rocks Talc–chlorite metaso...fractures – Chlorite + talc + mag Pyrite + chalcopyrite; netite late covellite Plagioclase (An68) ...olivine, augite, titanomagnetite – – Pyrite, chalcopyrite Native copper OPG Chloritized OPG vein Locally...crystals up to 1 mm in size. The less abundant chalcopyrite is embedded as inclusions in pyrrhotite or pyrite...separate wellfaced crystals up to 2–3 mm in size. Chalcopyrite occurs as a later phase intergrown with chlorite |  | 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...Cu, present in abundant, albeit less reactive chalcopyrite, but largely barren of other metals such as...abundance of pyrite/marcasite/pyrrhotite for Fe, chalcopyrite/isocubanite/bornite/covellite/digenite/chalcocite... Iron was used for pyrite/marcasite, Cu for chalcopyrite/bornite/tennantite-tetrahedrite, Zn for sphalerite/wurtzite...Pyrrhotite (N = 4) 394 1.34 0.23 77.6 38.6 0.45 Chalcopyrite (N = 53) 0.78 0.49 0.11 1.99 13.6 0.10 |  | | Journal (article/letter/editorial) | | formed overlappingaureolesof alteration. Pyrite, chalcopyrite,and molybdenitewere depositedalong fracture...Anderson and others (3, p. 21-25). (5) A pyrite-chalcopyrite-molybdenite mineralization,closely associatedwith...partially mineralizedby vein quartz, pyrite, and chalcopyrite,or by their oxidizedequivalents. The host rock...replacementand alteration. Sulfides,essentiallypyrite, chalcopyrite,molybdenite,and minor bornite, followed depositionof...classification have beenwritten by Butler (5), Emmons (6), Kuhn (11), Walker and Walker (22), and McKinstry (19) |  | 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...Hand specimen image showing the surface of the chalcopyrite-type massive sul®des. To the right of the coin...photomicrograph from the central part of the chalcopyrite-type massive sul®de. An older, well crystallized |  | | Journal (article/letter/editorial) | | compound CuGax I n~_xSe2 crystallizes in the chalcopyrite structure (space group I42d, Z -- 4). The X-ray...linearly with x. Thus the composition of any chalcopyrite in the pseudo-binary system CuGaSe2 and CuInSe2...semiconducting AXBInCW compounds crystallize in the chalcopyrite structure and are electronic analogues of the...been reported (Horig, Moiler, Neumann, Reccius & Kuhn, 1979; Paorici, Zanotti, Romeo, Sberveglieri & ...and X-ray powder diffraction from a number of chalcopyrite compounds and later by several other authors |  | | Book (edition) | | Colorado (formerly the Atomic Energy Commission) AM _ American Museum of Natural History ASU Arizona...production came actually are few in number; chalcopyrite, chalcocite-like minerals and, locally, bornite...introduced along with copper sulfides, especially chalcopyrite. The copper-bearing sulfides probably continued...alteration. The major primary (hypogene) ore mineral, chalcopyrite, and, much less importantly, bornite, seem to...abundant sulfide and often encloses blebs of chalcopyrite or bornite within it. Pyrite also was usually |  | | Report (issue) | | common sulfide minerals are galena, sphalerite, chalcopyrite, and pyrite, and virtually the only gangue minerals...Horquilla Limestone, or tactite derived from either. Chalcopyrite and pyrite are very scarce. The sulfide minerals...usually not faulted. Ore minerals are mainly chalcopyrite and t molybdenite which, for the most part,...many residents of Aravaipa Valley. In particular, I am indebted to Mr. and Mrs. Clay Turnbull, Mrs. May...Copper Creek have been published by Weed (1913) Kuhn (1938, 1941, 1951), and Denton (1947a). SCOPE OF |
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