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Dr. Michael Bau



Professor of Geoscience
School of Engineering & Science - SES
Earth and Space Sciences
http://www.jacobs-university.de/ess-program
Mailing Address:

Campus Ring 1
28759 Bremen
Germany

Email: m.bau@jacobs-university.de
Telephone: +49 421 200-3564
Fax: +49 421 200-3229
Office: Research III, Room 119
Research Interests:

Chemical Geology:

  • Trace Element and Radiogenic Isotope Geochemistry
  • Rare Earth Element Systematics of Rocks and Natural Waters
  • Evolution of Element Cycles Throughout Earth's History
  • Ancient and Modern Chemical Sediments
  • Low-Temperature (Aqueous) Geochemistry
  • Astrobiology
University Education:

1998      Habilitation, venia legendi for Geochemistry; Free University, Berlin, Germany
1991      Dissertation, Dr. rer. nat., Geochemistry; Hahn-Meitner-Institute/
                Free University Berlin
1988      Diploma, Geology; Technical University of Aachen (RWTH), Germany

Other Professional Activities:
Member of Geochemical Society (of America), The European Association of Geochemistry, Deutsche Mineralogische Gesellschaft
Research and Teaching Positions:
since 2003     
Jacobs University Bremen (former International University Bremen), Germany
Professor of Geosciences
1999-2002
The Pennsylvania State University, USA
Penn State Astrobiology Research Center
Senior Research Associate
1996
Free University Berlin, Germany
Lecturer
1993-1998
GeoForschungsZentrum Potsdam, Germany
Research Associate
1989-1992
Hahn-Meitner-Institute Berlin, Germany
PhD Student and Junior Research Associate
 
Publications:
  • Loges, A., Wagner, T., Kirnbauer, T., Göb, S., Bau, M., Berner, Z., and Markl, G. 2012. Source and origin of active and fossil thermal spring systems, northern Upper Rhine Graben, Germany. Applied Geochem., (in press) Available online 25 February 2012, 10.1016/j.apgeochem.2012.02.024.
  • Göb, S., Wenzel, T., Bau, M., Jacob, D.E., Loges, A., and Markl, G., 2011. The redistribution of rare-earth elements in secondary minerals of hydrothermal veins, Schwarzwald, southwestern Germany. Can. Mineral., 49, 1305-1333. Link
  • Kulaksiz, S. and Bau, M., 2011. Anthropogenic gadolinium as a microcontaminant in tap water used as drinking water in urban areas and megacities. Applied Geochem., 26, 1877– 1885.
  • Kulaksiz, S, and Bau, M., 2011. Rare earth elements in the Rhine River, Germany: First case of anthropogenic lanthanum as a dissolved microcontaminant in the hydrosphere. Environment International, 37, 973–979.
  • Bau, M., Balan, S., Schmidt, K., and Koschinsky, A., 2010. Rare earth elements in mussel shells of the Mytilidae family as tracers for hidden and fossil high-temperature hydrothermal systems. Earth and Planet. Sci. Lett. 299, 310–316.
  • Koschinsky, A., Bau, M., Marbler, H., and Schmidt, K., 2010. Rare valuable metals in marine ferromanganese nodules – contents and accumulation processes. Zeitschrift für Angew. Geologie, 51, 33-39.
  • Schmidt, K., Garbe-Schönberg, D., Bau, M. and Koschinsky,A., 2010. Rare earth element distribution in >400°C hot hydrothermal fluids from 5°S, MAR: The role of anhydrite in controlling highly variable distribution patterns. Geochim. Cosmochim. Acta, 74, 4058-4077. Link
  • Bau, M. and Alexander, B.W., 2009. Distribution of high field strength elements (Y, Zr, REE, Hf, Ta, Th, U) in adjacent magnetite and chert bands and in reference standards FeR-3 and FeR-4 from the Temagami iron-formation, Canada, and the redox level of the Neoarchean ocean. Precambrian Research, 174, 337-346. Link
  • Münker, C., Bau, M., Langenhorst, F., Palme, H., Spohn, T., Stöffler, D., 2009. Planetenentstehung und die Entwicklung der frühen Erde. Terra Nostra, 2009/2, 9-16. Link
  • Bau, M., 2009. Die Frühgeschichte des Planeten Erde: Ein Beispiel für interdisziplinäre gesellschaftsrelevante Forschung im Bereich der Geowissenschaften. Terra Nostra, 2009/2, 24-26. http://www.geo-union.de/terra-nostra/system-erde-mensch.html
  • Kulaksiz, S. and Bau, M., 2009. Anthropogenic Gadolinium as a micropollutant in drinking water. In: Lentz, D.R. et al. (eds.), Proceed. 24th Intern. Appl. Geochem. Symp. Frederictown, New Brunswick, Canada, Vol. 2, p. 747-750.
  • Alexander, B.W., Bau M., and Andersson, P., 2009. Neodymium isotopes in Archean seawater and implications for the marine Nd cycle in Earth's early oceans. Earth Planet. Sci. Lett. 283, 144-155. Link
  • Bau, M., and Koschinsky, A., 2009. Oxidative scavenging of cerium on hydrous Fe oxide: Evidence from the distribution of rare earth elements and yttrium between Fe oxides and Mn oxides in hydrogenetic ferromanganese crusts. Geochemical Journal, 43, pp. 37-47.
  • Alexander, B.W., Bau, M., Andersson, P., and Dulski, P. (2008).
  • Continentally-derived solutes in shallow Archean seawater: Rare earth element and Nd isotope evidence in iron formation from the 2.9 Ga Pongola Supergroup, South Africa. Geochimica cosmochimica Acta 72: 378-394. Available online
  • de Carvalho, L.M., do Nascimento, P.C., Koschinsky, A., Bau, M., Stefanello, R.F., Spengler, C., Bohrer, D., and Jost, C., 2007. Simultaneous Determination of Cadmium, Lead, Copper, and Thallium in Highly Saline Samples by Anodic Stripping Voltammetry (ASV) Using Mercury-Film and Bismuth-Film Electrodes (p NA). Electroanalysis. Published Online: 4 Jul 2007: DOI: 10.1002/elan.200703922
  • Kulaksiz, S. and Bau, M. (2007). Contrasting behaviour of anthropogenic gadolinium and natural rare earth elements in estuaries and the gadolinium input into the North Sea. Earth and Planetary Science Letters, 260, 361-371. available online: doi:10.1016/j.epsl.2007.06016
  • Bau, M. and Alexander, B., 2006. Preservation of primary REE patterns without Ce anomaly during dolomitization of Mid-Paleoproterozoic limestone and the potential re-establishment of marine anoxia immediately after the "Great Oxidation Event". South African Journal of Geology, 109, 81-86.
  • Bau, M., Knappe, A., and P. Dulski, 2006. Anthropogenic gadolinium as a micropollutant in river waters in Pennsylvania and in Lake Erie, northeastern United States. Geochemistry / Chemie der Erde, 66, 143-152.
  • Bau, M. and Koschinsky, A., 2006. Hafnium and neodymium isotopes in seawater and ferromanganese crusts: the "element perspective". Earth Planet. Sci. Lett., 241, 952-961.
  • Bau, M., Alexander, B., Chesley, J.T., Dulski, P., and Brantley, S.L., 2004. Mineral dissolution in the Cape Cod aquifer, Massachusetts, USA: I. Reaction stoichiometry and impact of accessory feldspar and glauconite on strontium isotopes, solute concentrations, and REY distribution. Geochim. Cosmochim. Acta, 68,1199-1216.
  • Koschinsky, A., Hein, J., and Bau, M., 2004. The importance of surface oxidation for the enrichment of Te and Se on Mn oxides and Fe oxyhydroxide. In: R.B. Wanty and R.R. Seal (Eds.), Water-Rock Interaction, Vol 2. Balkema Publ., Leiden, pp. 1323-1326.
  • Bau, M., Romer, R., Lüders, V., and Dulski, P., 2003. Tracing element sources of hydrothermal mineral deposits: REE and Y distribution and Sr-Nd-Pb isotopes in fluorite from MVT deposits in the Pennine Orefield, England. Mineralium Deposita, 38, 992-1008.
  • Koschinsky, A., Seifert, R., Halbach, P., Bau, M., Brasse, S., de Carvalho, L.M., and Fonseca, N.M., 2002. Geochemistry of diffuse low-temperature hydrothermal fluids in the North Fidji Basin. Geochim. Cosmochim. Acta, 66, 1409-1427.
  • Brantley, S.L., Bau, M., Yau, S., Alexander, B., and Chesley, J., 2001. Interpreting kinetics of groundwater-mineral interaction using major element, trace element, and isotopic tracers. in: Cidu, R. (ed.), Water-Rock Interaction 10, Proceed. 10th Int. Symp. Water-Rock Interaction, Balkema, Lisse, pp. 13-18.
  • Brantley, S.L., Liermann, L., Bau, M., and Wu, S., 2001. Uptake of trace metals and rare earth elements from hornblende by a soil bacterium. Geomicrobiology J., 18: 37-61.
  • Hein, J.R., Koschinsky, A. Bau, M., Manheim, F.T., Kang, J.-K., and Roberts, L., 2000. Cobalt-rich ferromanganese crusts in the Pacific. in: D.S. Cronman (ed.), Handbook of Marine Mineral Deposits, CRC Press, Boca Raton, pp. 239-279.
  • Knappe, A., Sommer-von-Jarmersted, C., Bau, M., and Dulsi, P., 2000. Gadolinium als Umwelttracer. in: Gesellschaft für UmweltGeowissenschaften (ed.), Umweltgeochemie in Wasser, Boden und Luft, Springer, Berlin, pp. 97-113.
  • Möller, P., Dulski, P., Bau, M., Knappe, A., Pekdeger, A., and Sommer-von Jarmersted, C., 2000. Anthropogenic gadolinium as a conservative tracer in hydrology. J. Geochem. Expl., 69-70: 409-414.
  • Bau, M., Romer, R., Lüders, V., and Beukes, N.J., 1999. Pb, O, and C isotopes in silicified Mooidraai dolomite (Transvaal Supergroup, South Africa): Implications for the composition of Paleoproterozoic seawater and dating the increase of oxygen in the Precambrian atmosphere. Earth Planet. Sci. Lett., 174: 43-57.
  • Bau, M., 1999. Scavenging of dissolved yttrium and rare earths by precipitating iron oxyhydroxide: Experimental evidence for Ce oxidation, Y-Ho fractionation, and lanthanide tetrad effect. Geochim. Cosmochim. Acta, 63: 67-77.   
  • Bau, M. and Dulski, P., 1999. Comparing yttrium and rare earths in hydrothermal fluids from the Mid-Atlantic Ridge: implications for Y and REE behaviour during near-vent mixing and for the Y/Ho ratio of Proterozoic seawater. Chem. Geol., 155: 77-90.
  • Bau, M., Usui, A., Pracejus, B., Mita, N., Kanai, Y., Irber, W., and Dulski, P., 1998. Geochemistry of low-temperature water-rock interaction: evidence from natural waters, andesite, and iron-oxyhydroxide precipitates at Nishiki-numa iron-spring, Hokkaido, Japan. Chem. Geol., 151: 293-307.
  • Janssen, C., Laube, N., Bau, M., and Gray, D.R., 1998. Fluid regime in faulting deformation of the Waratah Fault zone, Australia, as inferred from major and minor element analyses and stable isotope signatures. Tectonophysics, 294: 109-130.
  • Kuhn, T., Bau, M., Blum, N., and Halbach, P., 1998. Origin of negative Ce anomalies in mixed hydrothermal-hydrogenetic Fe-Mn crusts from the Central Indian Ridge. Earth Planet. Sci. Lett., 163: 207-220.
  • Möller, P., Bau, M., Dulski, P., and Lüders, V, 1998. REE and yttrium fractionation in fluorite and their bearing on fluorite formation. Proceed. Quadr. IAGOD Symp., vol. 9, pp. 575-592.
  • Bau, M., 1997. The lanthanide tetrad effect in highly evolved felsic igneous rocks - a reply to a comment by Y. Pan. Contrib. Mineral. Petrol., 128: 409-412.
  • Bau, M., Höhndorf, A., Dulski, P., and Beukes, N.J., 1997. Sources of rare-earth elements and iron in Paleoproterozoic iron-formations from the Transvaal Supergroup, South Africa: Evidence from neodymium isotopes. J. Geol., 105: 121-129.
  • Bau, M., Möller, P., and Dulski, P., 1997. Yttrium and lanthanides in eastern Mediterranean seawater and their fractionation during redox-cycling. Mar. Chem., 56: 123-131.
  • Bankwitz, P. and Bau, M., 1997. Aufbau und Genese der Magnetitlagerstätte Schwarze Crux bei Schmiedefeld am Rennsteig (Zone von Vesser, Thüringer Wald): Teil einer überregionalen geomagnetischen Anomalie in Mitteleuropa. Z. geol. Wiss., 25: 341-362.
  • Bankwitz, P., Bau, M., Seltmann, R., Bankwitz E., and Hoernes, S., 1997. Magnetite ore bearing belts of Proterozoic and lower Palaeozoic age in Europe - Comparison between the Vesser arc (Germany) and the Bergslagen province (Sweden): A discussion. in: Papunen (ed.), Mineral Deposits, Balkema, Rotterdam, 801-804.
  • Hein, J.R., Koschinsky, A., Halbach, P., Manheim, F.T., Bau, M.,  Kang, J.K., and Lubick, N., 1997. Iron and manganese oxide mineralization in the Pacific. In: Nicholson, K., Hein, J.R., Bühn, B., and Dasgupta, S. (eds.), Manganese Mineralization: Geochemistry and Mineralogy of Terrestrial and Marine Deposits. Geological Society of London Special Publication, 119: 123-138.
  • Janssen, C., Michel, G.W.,, Bau, M., Lüders, V. and Mühle, K., 1997. The internal structure of the North Anatolian Fault Zone and the role of fluids for seismogenic deformation. J. Geol., 105: 387-403.
  • Knittel U., Hegner, E., Bau, M., and Satir, M., 1997. Enrichment processes in the sub-arc mantle: A Sr-Nd-Pb isotopic and REE study of primitive arc basalts from the Philippines. Can. Mineral., 35: 327-347.
  • Koschinsky, A., Stascheit, A., Bau, M., and Halbach, P., 1997. Effects of phosphatization on the geochemical and mineralogical composition of marine ferromanganese crusts. Geochim. Cosmochim. Acta, 61: 4079-4094.
  • Nath, B.N., Bau, M., Rao, B.R., and Rao, C.M., 1997. Trace and rare-earth elemental variation in the Arabian Sea sediments through a transect across the oxygen minimum zone. Geochim. Cosmochim. Acta, 61: 2375-2388.
  • Usui, A., Bau, M., and Yamazaki, T., 1997. Manganese microchimneys buried in the Central Pacific pelagic sediments: evidence for intraplate water circulation? Mar. Geol., 141: 269-285.
  • Bau, M., 1996. Controls on the fractionation of isovalent trace elements in magmatic and aqueous systems: Evidence from Y/Ho, Zr/Hf, and lanthanide tetrad effect. Contrib. Mineral. Petrol., 123: 323-333.
  • Bau, M. and Dulski, P., 1996. Anthropogenic origin of positive gadolinium anomalies in river waters. Earth Planet. Sci. Lett., 143: 245-255.
  • Bau, M. and Dulski, P., 1996. Distribution of yttrium and rare-earth elements in the Penge and Kuruman Iron-Formations, Transvaal Supergroup, South Africa. Precambrian Res., 79: 37-55.
  • Bau, M., Koschinsky, A., Dulski, P., and Hein, J.R., 1996. Comparison of the partitioning behaviours of yttrium, rare-earth elements, and titanium between hydrogenetic marine ferromanganese crusts and seawater. Geochim.Cosmochim. Acta, 60: 1709-1725.
  • Bau, M. and Dulski, P., 1995. Comparative study of yttrium and rare-earth element behaviours in fluorine-rich hydrothermal fluids. Contrib. Mineral. Petrol., 119: 213-223.
  • Bau, M., Dulski, P., and Möller, P., 1995. Yttrium and holmium in South Pacific seawater: Vertical distribution and possible fractionation mechanisms. Chem. d. Erde, 55: 1-15.
  • Cotten, J., Le Dez, A., Bau, M., Caroff, M., Maury, R.C., Dulski, P., Fourcade, S., Bohn, M., and Brousse, R., 1995. Origin of anomalous rare-earth element and yttrium enrichments in subaerially exposed basalts: Evidence from French Polynesia. Chem. Geol., 119: 115-138.
  • Bau, M., 1994. Comment on "Modeling of rare-earth element partitioning between particles and solution in aquatic environments" by Y. Erel and E.M. Stolper. Geochim. Cosmochim. Acta, .20: 4521-4523.
  • Bau, M. and Dulski, P., 1994. Evolution of the yttrium-holmium systematics of seawater through time. Mineral. Mag., 58A: 61-62.
  • Bau, M. and Möller, P., 1994. Präkambrische chemisch-sedimentäre Mineralisationen: Spiegel der Evolution von Litho-, Hydro- und Atmosphäre. Geowissenschaften, 10/11: 333-336.
  • Giese, U. and Bau, M., 1994. Trace element accessibility in mid-ocean ridge and ocean island basalt: an experimental approach. Mineral. Mag., 58A: 329-330.
  • Möller, P., Dulski, P., and Bau, M., 1994. Rare-earth element adsorption in a seawater profile above the East Pacific Rise. Chem. d. Erde, 54: 129-149.
  • Bau, M., 1993. Effects of syn- and post-depositional processes on the rare-earth element distribution in Precambrian iron-formations. Eur. J. Min., 5: 257-267.
  • Bau, M. and Knittel, U., 1993. Significance of slab-derived partial melts and aqueous fluids for the genesis of tholeiitic and calc-alkaline island-arc basalts: Evidence from Mt. Arayat, Philippines. Chem. Geol., 105: 233-251.
  • Bau, M. and Möller, P., 1993. Rare earth element systematics of the chemically precipitated component in Early Precambrian iron formations and the evolution of the terrestrial atmosphere-hydrosphere-lithosphere system. Geochim. Cosmochim. Acta, 57: 2239-2249.
  • Möller, P. and Bau, M., 1993. Rare-earth patterns with positive cerium anomaly in alkaline waters from Lake Van, Turkey. Earth Planet. Sci. Lett., 117: 671-676.
  • Bau, M. and P. Dulski, 1992. Small-scale variations of the rare-earth element distribution in Precambrian iron-formations. Eur. J. Min., 4: 1429-1433.
  • Bau, M. and Möller, P., 1992. Rare-earth element fractionation in metamorphogenic hydrothermal calcite, magnesite and siderite. Mineralogy Petrology., 45: 231-246.
  • Bau, M., 1991. Lanthaniden-Fraktionierung in niedrig- und hochthermalen Lösungen und ihre Bedeutung für die Interpretation früh-präkambrischer chemischer Eisensedimente. Dissertation, Hahn-Meitner-Institut Berlin / Freie Universität Berlin, 305 p.
  • Bau, M., 1991. Rare earth element mobility during hydrothermal and metamorphic fluid-rock interaction and the significance of the oxidation state of europium. Chem. Geol., 93: 219-230.
  • Bau, M. and Möller, P., 1991. REE systematics as source of information on minerogenesis. In: Pagel, M. and Leroy, J.L. (eds.), Source, Transport and Deposition of Metals, Balkema, Rotterdam, 17-20.