• Zielgruppen
  • Suche
 

Publikationen von Prof. Dr. Stefan Weyer

Journals

2017

Bhattacharyya, A., Campbell, K. M., Kelly, S. D., Roebbert, Y., Weyer, S., Bernier-Latmani, R., & Borch, T.  (2017): Biogenic non-crystalline U (IV) revealed as major component in uranium ore deposits, Nature Communications, 8.
DOI: 10.1038/ncomms15538

Chernonozhkin, S.M., Weyrauch, M., Goderis, S., Oeser, M., McKibbin, S.J., Horn, I., Hecht, L., Weyer, S., Claeys, P., Vanhaecke, F. (2017): Thermal equilibration of iron meteorite and pallasite parent bodies recorded at the mineral scale by Fe and Ni isotope systematics, Geochimica et Cosmochimica Acta
DOI: 10.1016/j.gca.2017.08.022

Collinet, M., Charlier, B., Namur, O., Oeser, M., Médard, E., and Weyer, S.  (2017): Crystallization history of enriched shergottites from Fe and Mg isotope fractionation in olivine megacrysts, Geochimica et Cosmochimica Acta 207, 277–297

Derrey, I.T., Albrecht, M., Dupliy, E., Botcharnikov, R.E., Horn, I., Junge, M., Weyer, S., and Holtz, F. (2017): Experimental tests on achieving equilibrium in synthetic fluid inclusions: results for scheelite, molybdenite and gold solubility at 800°C and 2 kbar, American Mineralogist, 102, 2, 275-283

Günther T., Klemd R., Zhang X. Horn I., Weyer S. (2017): In-situ trace element and Fe-isotope studies on magnetite of the volcanic-hosted Zhibo and Chagangnuoer iron ore deposits in the Western Tianshan, NW China, Chemical Geology, 453, 111-127.
DOI: 10.1016/j.chemgeo.2017.02.001

Kusonwiriyawong, C., Bigalke, M., Abgottspon, F., Lazarov, M., Schuth, S., Weyer, S., Wilcke, W. (2017): Isotopic variation of dissolved and colloidal iron and copper in a carbonatic floodplain soil after experimental flooding, Chemical Geology, 459, 13-23.
DOI: http://dx.doi.org/10.1016/j.chemgeo.2017.03.033

Schulze M., Ziegerick M., Horn I., Weyer S., Vogt C. (2017): Determination of tin isotope ratios in cassiterite by femtosecond laser ablation multicollector inductively coupled plasma mass, Spectrochimica Acta - Part B Atomic Spectroscopy, 130, 26-34.
DOI: 10.1016/j.sab.2017.02.002

Schuth, S., Horn, I., Brüske, A., Wolff, P. E., Weyer, S. (2017): First vanadium isotope analyses of V-rich minerals by femtosecond laser ablation and solution-nebulization MC-ICP-MS, Ore Geology Reviews 81, 2017, p. 1271 - 1286

Weyrauch, M.,Oeser, M., Brüske, A., Weyer, S. (2017): In situ high-precision Ni isotope analysis of metals by femtosecond-LA-MC-ICP-MS, Journal of Analytical Atomic Spectrometry 32, 2017, p. 1312-1319

2015

Noordmann, J., Weyer, S., Georg, B., Sharma, M. (2015): 238U/235U isotope ratios of crustal material, rivers and products of hydrothermal alteration: New insights on the oceanic U isotope mass balance, Isotopes in Environmental & Health Studies, in press

Noordmann, J., Weyer, S., Montoya-Pino, C., Dwelling, O., Neubert, N., Eckardt, S., Paetzel, M., Böttcher, M.  (2015): Uranium and molybdenum isotope systematics in modern anoxic basins: Case studies from the central Baltic Sea and the Kyllaren fjord (Norway), Chemical Geology 396, 182-195

Goldmann, A., Brennecka, G.A., Noordmann, J., Weyer, S., Wadhwa, M.  (2015): The Uranium Isotopic Composition of the Earth and the Solar System, Geochimica et Cosmochimica Acta 148, 145-158

Oeser, M., Dohmen, R., Horn, I., Schuth, S., Weyer, S (2015): Processes and time scales of magmatic evolution as revealed by Fe-Mg chemical and isotopic zoning in natural olivines, Geochimica et Cosmochimica Acta 154, 130-150

Stylo, M., Neubert, N., Röbbert, Y., Weyer, S., Bernier-Latmani, R. (2015): Mechanism of uranium reduction and immobilization in Desulfovibrio vulgaris biofilms, Environmental Science and Technologies
DOI: 10.1021/acs.est.5b01769

Stylo, M., Neubert, N., Wang, Y.W., Monga, N., Romaniello, S.J., Weyer, S., Bernier-Latmani, R. (2015): Uranium Isotopes Fingerprint Biotic Reduction, Proceedings of the National Academy of Sciences (PNAS)
DOI: 10.1073/pnas.1421841112

2014

Albrecht, M., Derrey, I.T., Horn, I., Schuth, S. and Weyer, S.  (2014): Quantification of trace element contents in frozen fluid inclusions by UV-fs-LA-ICP-MS analysis, Journal of Analytical Atomic Spectrometry
DOI: 10.1039/C4JA00015C

Oeser M., Weyer S., Horn I., Schuth S. (2014): High-Precision Fe and Mg Isotope Ratios of Silicate Reference Glasses Determined In Situ by Femtosecond LA-MC-ICP-MS and by Solution Nebulisation MC-ICP-MS, Geostandards and Geoanalytical Research
DOI: 10.1111/j.1751-908X.2014.00288.x

2013

Bigalke, M., Kersten, M., Schuth, S., Weyer, S., Wilcke, W (2013): Isotopes trace biogeochemistry and sources of Cu and Zn in an intertidal soil, Soil Science Society of America Journal 77, 680-691

Kendall B., Brennecka G.A., Weyer S., Anbar A.D. (2013): Uranium isotope fractionation suggests oxidative uranium mobilization at 2.50Ga, Chemical Geology 362, 105-114

2012

Harms, U., Heckmann, H., Weyer, S., Mali, H.  (2012): Geochemistry of galena and lead isotope chemistry of postvariscan ore veins within Niederberg area, Germany | [Galenit-mineralchemie und blei-isotopengeochemie der postvariszischen gangvererzungen des Niederbergischen landes, Deutschland], Zeitschrift der Deutschen Gesellschaft fur Geowissenschaften 163 (1) , pp. 69-90

Lazarov, M., Brey, G.P., Weyer, S.  (2012): Evolution of the South African mantle - a case study of garnet peridotites from the Finsch diamond mine (Kaapvaal craton); Part 1: Inter-mineral trace element and isotopic equilibrium, Lithos 154 , pp. 193-209

Lazarov, M., Brey, G.P., Weyer, S. (2012): Evolution of the South African mantle - a case study of garnet peridotites from the Finsch diamond mine (Kaapvaal craton); Part 2: Multiple depletion and re-enrichment processes, Lithos 154 , pp. 210-223

Lippold, J., Mulitza, S., Mollenhauer, G., Weyer, S., Heslop, D., Christl, M. (2012): Boundary scavenging at the East Atlantic margin does not negate use of 231Pa/ 230Th to trace Atlantic overturning, Earth and Planetary Science Letters 333-334 , pp. 317-331

Weyer, S., Seitz, H.-M.  (2012): Coupled lithium- and iron isotope fractionation during magmatic differentiation, Chemical Geology 294-295 , pp. 42-50

2011

Bigalke, M., Weyer, S., Wilcke, W.  (2011): Stable Cu isotope fractionation in soils during oxic weathering and podzolization, Geochimica et Cosmochimica Acta 75 (11) , pp. 3119-3134

Brennecka, G.A., Wasylenki, L.E., Bargar, J.R., Weyer, S., Anbar, A.D.  (2011): Uranium isotope fractionation during adsorption to Mn-oxyhydroxides, Environmental Science and Technology 45 (4) , pp. 1370-1375

2010

Bigalke, M., Weyer, S., Kobza, J., Wilcke, W.  (2010): Stable Cu and Zn isotope ratios as tracers of sources and transport of Cu and Zn in contaminated soil, Geochimica et Cosmochimica Acta 74 (23) , pp. 6801-6813

Bigalke, M., Weyer, S., Wilcke, W.  (2010): Stable Cu isotope ratios in soil: A novel tool to trace Cu behavior under hydromorphic conditions. , American Journal of Soil Science 74, 60-73

Bigalke, M., Weyer, S., Wilcke, W.  (2010): Copper isotopic fractionation during complexation with humic acid. , Environmental Science and Technologies 44, 5496–5502

Brennecka, G., Weyer, S., Wadhwa, M., Anbar, A.D., Zipfel,J.  (2010): 238U/235U variations in meteorites: Extant 247Cm and implications for Pb-Pb dating., Science 327, 449-451

Montoya-Pino, C., Weyer, S., van de Schootbrugge, B. Anbar, A.D., Oschmann, W., Arz, H.W., Pross, J.  (2010): Global enhancement of ocean anoxia during the OAE-2: A quantitative approach using U isotopes. , Geology 38, 315-318

Richter, S., Eykens, R., Kühn, H., Aregbe, Y., Verbruggen, A., Weyer, S.  (2010): New average values for the n(238U)/n(235U) isotope ratios of natural uranium standards, International Journal of Mass Spectrometry 295 (1-2) , pp. 94-97

Wagner T., Okrusch M., Weyer S., Lorenz J., Lahaye Y., Taubald H., Schmitt R.T., Schüssler U.  (2010): The role of the Kupferschiefer in the formation of hydrothermal base-metal mineralization in the Spessart ore district, Germany: insight from detailed sulfur isotope studies. , Mineralium Deposita 45, 217-239

2009

Feineman M., Penniston-Dorland S., Poitrasson F., Weyer S.  (2009): Applications of Non-Traditional Stable Isotopes in High-Temperature Geochemistry, Chemical Geology 258, 1-4

Lazarov, M., Brey, G.P., Weyer, S. (2009): Time steps of depletion and enrichment in the Kaapvaal craton as recorded by subcalcic garnets from Finsch (SA), Earth and Planetary Science Letters 279 (1-2), pp. 1-10

Schmidt, A., Weyer, S., John, T. and Brey, G.  (2009): High Field Strength Element systematics of rutile-bearing, orogenic eclogites: Implications on the slap contribution to subduction zone magmas, Geochimica et Cosmochimica Acta 73, 455-468

Wombacher, F., Eisenhauer, A., Heuser, A., Weyer, S. (2009): Separation of Mg, Ca and Fe from geological reference materials for stable isotope ratio analysis by MC-ICP-MS and double-spike TIMS, Journal of Analytical Atomic Spectrometry, DOI: 10.1039/b820154d.

2008

Schmidt, A., Weyer, S., Mezger, K., Xiao, Y., Hoefs, J., Brey, G.P.  (2008): Rapid eclogitisation of the Dabie-Sulu UHP terrane? Constraints from Lu-Hf chronology, Earth and Planetary Science Letters 273, 203-213

Weyer, S.  (2008): What drives Fe-isotope fractionation in magma? , Science 320, 1600-1601

Weyer, S., Anbar, A.D., Gerdes, A., Gorden, G., Algeo, T. and Boyle, E.A.  (2008): Natural isotope variations of 238U/235U, Geochimica et Cosmochimica Acta 72, 345-359

2007

Okrusch, M., Lorenz, J.A., Weyer, S. (2007): Genetic relationships between post-Variscan vein-type copper ores and the overlying Kupferschiefer: A case study from the former Wilhelmine mine, Spessart, Bavaria, Canadian Mineralogist 45, 421-448

Seitz, M., Brey, G.P., Weyer, S., Zipfel, J., Ott, U., Durali, S.  (2007): Lithium isotope compositions of ordinary and carbonaceous chondrites, and differentiated planetary bodies: Bulk solar system and solar reservoirs, Earth and Planetarry Science Letters 260, 582-596

Weyer, S. and Ionov, D.A. (2007): Partial melting and melt percolation in the mantle: the message from Fe isotopes, Earth and Planetary Science Letters 259, 119-133

Weyer, S., Anbar, A.D., Brey, G.P, Münker, C., Mezger, K. & Woodland, A.B.  (2007): Fe isotope fractionation during partial melting on Earth and the current view on the Fe isotope budget of the planets, Earth and Planetary Science Letters 256, 638-646

2006

Bendall, C., Lahaye, Y., Fiebig, J., Weyer, S., Brey, G.P.  (2006): In-situ Sulfur Isotope Analysis by Laser-Ablation MC-ICPMS, Applied Geochemistry 21, 782-787

Seitz, M., Brey, G.P., Weyer, S., Durali, S., Ott, U., Münker, C.  (2006): Lithium isotope compositions of Martian and Lunar reservoirs, Earth and Planetary Science Letters 245, 6-18

2005

Weyer, S., Anbar, A.D., Brey, G.P, Münker, C., Mezger, K. & Woodland, A.B.  (2005): Iron isotope fractionation during planetary differentiation, Earth and Planetary Science Letters 240, 251-264

2004

Arnold, G.L., Weyer, S. & Anbar, A.D.  (2004): Fe isotope variation in natural materials measured using high mass resolution MC-ICPMS, Analytical Chemistry 76, 322-327

Seitz, H.M., Brey, G.P., Lahaye, Y., Durali, S. & Weyer, S.  (2004): Lithium isotopic signatures of peridotite xenoliths and isotopic fractionation at high temperature between olivine and pyroxenes, Chemical Geology 212, 163-177

2003

Münker, C., Pfänder, J., Weyer, S., Büchl, A., Kleine, T. & Mezger, K.  (2003): Evolution of planetary cores and the Earth – Moon system from Nb/Ta systematics, Science 301, 84-87

Weyer, S. & Schwieters, J.  (2003): High precision Fe isotope measurements with high mass resolution MC-ICPMS, International Journal of Mass Spectrometry 226, 355-368

Weyer, S., Münker, C. & Mezger, K.  (2003): Nb/Ta, Zr/Hf and REE in the Depleted Mantle: Implications for the Differentiation History of the Crust-Mantle System, Earth and Planetary Science Letters 205, 309-324

2002

Weyer, S., Münker, C., Rehkämper, M. & Mezger, K.  (2002): Determination of ultra low Nb, Ta, Zr, and Hf concentrations and the chondritic Zr/Hf and Nb/Ta ratios by isotope dilution analyses with multiple collector ICP-MS, Chemical Geology 187, 295-313

2001

Münker, C., Weyer, S., Scherer, E., & Mezger, K.  (2001): Separation of high field strength elements (Nb, Ta, Zr, Hf) and Lu from rock samples for MC-ICPMS measurements, G-cubed 2, papernumber 2001GC000183, 2001

2000

Jochum, K.P., Dingwell, D.B., Hofmann, A.W., Stoll, B., Raczek, I., Rocholl, A., Becker, S., Besmehn, A., Besesette, D., Dietze, H.-J., Dulski, P., Erzinger, J., Hellebrand, E., Hoppe, P., Horn, I., Janssens, K., Jenner, G., Klein, M., McDonough, W.M., Maetz, M., Mezger, K., Münker, C., Nikogosian, I.K., Pickhart, C., Seufert, H.M., Simakin, S.G., Sobolev, A.V., Spettel, B., Straub, S., Vincze, L., Wallianos, A., Weckwerth, G., Weyer, S., Wolf, D. & Zimmer, M.  (2000): The preparation and preliminary characterization of eight geological MPI-DING reference glasses for in situ microanalysis, Geostandards Newsletter 24 (1), 87-133

Münker, C., Weyer, S., Mezger, K., Rehkämper, M., Wombacher, F. & Bischoff, A.  (2000): 92Nb-92Zr and the early history of planets, Science 289, 1538-1542

1999

Weyer, S., Jarick, J. & Mezger, K.  (1999): Quantitative temperature-time information from retrograde diffusion zoning in garnet: constrains for the P-T-t history of the central Black Forest, Journal of Metamorphic Geology 17, 449 - 462