Werner Halter

Formation / Fonction

• 2003 Professeur Assistant (ETH Zürich)
• 2002 Habilitation (ETH Zürich)
• 1997 Ph. D. (McGill University, Montréal, Canada)
• 1992 Diplôme de Géologue (Université de Lausanne)

Expérience professionnelle

2013 à aujourd'hui Climate Services SA
Directeur et Fondateur
Entreprise active dans le développement de solution IT et conseil dans le domaine du CO₂ et du développement durable. Responsable du projet Cleantech Fribourg et coach Platinn accrédité.                              
Enseignement : Cours sur la quantification des émissions de CO₂ et le développement durable à la Haute Ecole de Gestion à Fribourg et Genève ainsi qu'à la HES-SO Sierre.
Module CO₂ de la formation « Impacts environnementaux de l’aviation et des activités aéroportuaires (IE3A) » dans le cadre du Projet de renforcement des capacités dans le domaine de l’environnement (PRCDE), projet mené par la Coopération technique belge (CTB) en Algérie.

2008 à 2013 Swiss Climate SA / Swiss Wind Energy SA
Directeur
Développement de projet CO₂ et de conseil aux entreprises. Développement dès 2011 de la statup Swiss Wind Energy pour le développement, la production et la commercialisation d'une petite éolienne.                        

2003 – 2008 ETH Zürich
Professeur Assistant (Professeur boursier FNS)
Directeur d'un groupe de recherche avec 2 doctorants et 4 collaborateurs scientifiques. Directeur de projets des recherches interdisciplinaires, internationaux dans le domaine des processus chimiques dans des systèmes naturels et synthétiques. 

1999-2003  ETH Zürich
Collaborateur scientifique (post-doc)
Chef de projets dans le développement de techniques analytiques et modélisation chimique. Habilitation comprenant 5 publications. Co-superviseurs de 2 diplômants et d'un doctorant.

1997-1999 Université de Lausanne
Collaborateur scientifique (post-doc)
Chef de projet et de laboratoire. Responsable des étudiants dans le cadre de la formation 3^ème cycle „Diplôme d'Etudes Supérieures en Sciences Naturelles de l'Environnement ".

Publications

• Bali E., Zajacz, Z., Kovacz, C.S. Szabo, C.S., Halter, W.E., Vaselli, O., Török, K, and Bodnar, R. J (2008) A Quartz-bearing Orthopyroxene-rich Websterite Xenolith from the Pannonian Basin, Western Hungary: Evidence for Release of Quartz-saturated Melts from a Subducted Slab. Journal of Petrology On line
• Malfait, W. J., and  Halter W. E. (2008) Structural relaxation in silicate glasses and melts: result from high-temperature Raman spectroscopy. Physical Review Letters, On line.
• Malfait, W. J., and  Halter W. E. (2008) Increased ²⁹Si NMR sensitivity in glasses with a Carr-Purcell-Meiboom-Gill echotrain, Journal of Non-Crystalline Materials, In press.
• Malfait, W.J., Zakaznova-Herzog, V.P., Halter, W.E. (2008) Quantitative Raman spectroscopy: Speciation of sodium silicate glasses and melts. American Mineralogist, Accepted pending revisions.
• Guzmicsa, T., Zajacza, Z., Halter, W. E., Kodolányic, J. and Szabó, C. (2008) LA-ICP-MS study of apatite- and K feldspar-hosted primary carbonatite melt inclusions in clinopyroxenite xenoliths from lamprophyres, Hungary: implications for significance of carbonatite melts in the Earth's mantle. Geochimica et Cosmochimica Acta, In press.
• Zajacz Z., Halter, W. E. (2008) Copper transport by high temperature, sulfur-rich magmatic vapor: evidence from silicate melt and vapor inclusions in a basaltic-andesite from the Villarrica volcano. Nature Geosciences, under review
• Zajacz Z., Halter W. E., Pettke T., Guillong M. (2008) Determination of fluid/melt partition coefficients by LA-ICPMS analysis of co-existing fluid- and silicate melt inclusions: Controls on element partitioning. Geochimica et Cosmochimica Acta, In press.
• Beaudoin, Y., Scott, S. D., Zajacz, Z. and Halter, W. E. (2007) Melt inclusions in modern seafloor tectonic environments: metal budgets and magmatic processes in back-arcs, mid-ocean ridges and seamounts. Marine Geology, 242, 271-289.
• Beaudoin Y., Scott SD., Gorton MP., Zajacz Z., Halter W. E. (2007) Effects of hydrothermal alteration on Pb in the active pacmanus hydrothermal field, ODP leg 193, manus basin, papua new guinea: A LA-ICP-MS study. Geochimica et Cosmochimica Acta, 71, 4256-4278
• Falus, G., Szabó, C., Kovács, I., Zajacz, Z., and Halter, W. E. (2007) Symplectite in spinel lherzolite xenoliths from the Little Hungarian Plain, Western Hungary: a key for understanding basin evolution.  Lithos, 94, 230-247.
• Malfait, W.J., Halter, W.E.,  Morizet, Y.,  Verel, R.,  and Meier, B. H. (2007) Structural control on bulk melt properties: Single and Double Quantum 29Si NMR spectroscopy on alkali-silicate glasses. 71 Geochimica et Cosmochimica Acta, 6002-6018.
• Malfait, W.J., Zakaznova-Herzog, V.P., Halter, W.E. (2007) Quantitative Raman spectroscopy: high-temperature speciation of potassium silicate melts.  Journal of Non-Crystalline Materials, 353, 4015-4028
• Pfeifer, H.-R., Häussermann, A., Lavanchy, J.-C. and Halter, W.E. (2007) Distribution and behavior of arsenic in soils and waters in the vicinity of the former gold-arsenic mine of Salanfe, Western Switzerland, Journal of Geochemical Exploration, 93, 121–134
• Zakaznova-Herzog, V. P., Malfait, W. J., Herzog, F., and Halter, W. E. (2007) Quantitative Raman Spectroscopy: principles and application to potassium silicate glasses, Journal of Non-Crystalline Materials, 353, 4029-4042.
• Zajacz, Z., Kovacs, I., Szabó, C., Halter, W. E., Pettke, T. (2007) Insights into the evolution of basanitic melts crystallized in the uppermost lithospheric mantle of the Nógrád-Gömör Volcanic Filed (Northern Hungary): a melt inclusion study. Journal of Petrology, 48, 853-883.
• Zajacz, Z. and Halter, W. E. (2007) LA-ICPMS analyses of silicate melt inclusions in co-precipitated minerals: quantification, data analysis and mineral/melt partitioning. Geochimica et Cosmochimica Acta, 71, 1021-1040.
• Halter W. E. and Mostaghim S. (2006) Bilevel optimization of multi-component chemical systems using Particle Swarm Optimization, IEEE Congress on Evolutionary Computation, Vancouver, Canada
• Halter W. E. and Heinrich, C. A. (2006) Magmatic processes and volatile phase generation in porphyry-type environments: A laser-ablation ICPMS study of silicate and sulfide melt inclusions. In Melt inclusions in plutonic rocks, (J. Webster, ed.). Mineralogical Society of Canada Short Course Series 36, 151-164.
• Halter, W. E., Heinrich, C. A. and Pettke, T. (2005) Metal enrichment and formation of porphyry Cu-Au ore fluids: Evidence from silicate and sulfide melt inclusions. Mineralium Deposita, 39(8), 845-863.
• Heinrich, C. A., Halter, W. E., Landtwing, M. R. and Pettke, T. (2005) The formation of economic porphyry-copper (-gold) deposits: Constraints from microanalysis of fluid and melt inclusions. In: Mineral Deposits and Earth Evolution, (I., McDonald et al., eds.) Geological Society of London Special Publication 248, 247-263.
• Landtwing, M. R., Pettke, T., Halter W. E., Heinrich, C. A., Redmond, P. R., Einaudi, M. T. and Kunze, K. (2005) Copper deposition during quartz dissolution by cooling magmatic–hydrothermal fluids: The Bingham porphyry. Earth and Planetary Science Letters, 235, 229-243.
• Mostaghim, S., Halter W. E. and Wille, A. (2006) Linear multi-objective particle swarm optimization. In: Swarm intelligence and data mining (Ajith et al., eds.) SCI Series of Studies in Computational Sciences, Springer. In Press.
• Zajacz, Z.,  Halter, W. E., Malfait, W. J., Bachmann, O., Bodnar, R. J., Hirschmann, M. M.,  Mandeville, C. W.,  Morizet, Y., Müntener, O., Ulmer, P. and Webster, J. D. (2005) A composition independent quantitative determination of the water content in silicate glasses and silicate melt inclusions by confocal Raman-spectroscopy. Contributions to Mineralogy and Petrology. 150, 631-642.
• Halter, W. E., Bain, N., Becker, T., Heinrich, C. A., Landtwing, M., von Quadt, A., Clark, A., Sasso, A., Bissig, T. and Tosdal, R. (2004a) From andesitic volcanism to the formation of a Cu-Au mineralizing magma chamber: The Farallon Negro Volcanic Complex, northwestern Argentina. Journal of Volcanology and Geothermal Research, 136, 1-30.
• Halter, W. E. and Mysen B. O. (2004) Melt speciation in the system Na₂O - SiO₂. Chemical Geology, 213(1-3), 115-123.
• Halter, W. E., Heinrich C., and Pettke, T. (2004b) Laser-ablation ICP-MS analysis of silicate and sulfide melt inclusions in an andesitic complex II: Magmas genesis and implications for ore-formation. Contributions to Mineralogy and Petrology, 147, 397-412.
• Halter, W. E., Pettke, T. and Heinrich C. (2004c) Laser-ablation ICP-MS analysis of silicate and sulfide melt inclusions in an andesitic complex I: Analytical approach and data evaluation. Contributions to Mineralogy and Petrology, 147, 385-396.
• Halter, W. E. and Webster, J. D. (2004) The magmatic to hydrothermal transition and its bearing on ore-forming systems. Chemical Geology, 210(1-4), 1-6.
• Pettke T. Halter W. E., Webster, J. D., Aigner-Torres, M., and Heinrich, C. A. (2004) Accurate quantification of melt inclusion chemsitry by LA-ICPMS: a comparison with EMP and SIMS and advantages and possible limitations of these methods. Lithos, 78(4), 333-361.
• Heinrich, C. A., Pettke, T., Halter, W. E., Aigner-Torres, M., Audétat, Günther, D., A., B. Hattendorf, D. Bleiner, M. Guillong and I. Horn  (2003) Quantitative multi-element analysis of minerals, fluid and melt inclusions by laser-ablation inductively-coupled-plasma mass-spectrometry. Geochimica Et Cosmochimica Acta, 67, 3473-3497.
• Halter, W. E., Pettke, T. and Heinrich, C. A. (2002a) The origin of Cu/Au ratios in porphyry-type ore deposits. Science, 296, 1844-1846.
• Halter, W. E., Pettke, T., Heinrich, C. A. and Rothen-Rutishauser, B. (2002b), Major to trace element analysis of melt inclusions by laser-ablation ICP-MS: Methods of quantification. Chemical Geology, 183, 63-86.
• Halter, W. E. and Pfeifer, H.-P. (2001) Arsenic (V) adsorption onto a-Al₂O₃ between 25 and 70 °C. Applied Geochemistry, 16, 793-802.
• Kontak, D. J., Ansdell, K., Dostal, J., Halter, W. E., Martin, R. and Williams-Jones, A. E. (2001), The nature and origin of pegmatites in a fluorine-rich leucogranite, East Kemptville Tin Deposit, Nova Scotia, Canada. Transactions of the Royal Society of Edinburgh - Earth Sciences, 92. 173-200.
• Halter, W. E. (1999) Surface acidity constants of a-Al₂O₃ between 25 and 70 °C. Geochimica et Cosmochimica Acta, 63, 3077-3085.
• Halter, W. E., Williams-Jones, A. E. (1999) Application of topaz-muscovite F-OH exchange as a geothermometer. Economic Geology, 94, 1249-1258.
• Halter, W. E., Williams-Jones, A. E., and Kontak, D. J. (1998) Origin and evolution of the greisenizing fluid at the East Kemptville tin deposit, Nova Scotia, Canada. Economic Geology, 93, 1026-1051.
• Halter, W. E., Williams-Jones, A. E., and Kontak, D. J. (1998) Modelling fluid-rock interaction during greisenization at the East Kemptville tin deposit: Implications for mineralization. Chemical Geology, 150, 1-17.
• Halter, W. E., Williams-Jones, A. E. and Kontak, D. J. (1997) The role of greisenization in cassiterite precipitation at the East Kemptville tin deposit, Nova Scotia. Economic Geology, 91, 368-385.
• Halter, W. E., Williams-Jones, A. E. and Kontak, D. K., (1994) Geometry and Distribution of Tin Mineralization at East Kemptville, Yarmouth County, Nova Scotia. In Nova Scotia Department of Natural Resources Paper, 93-2, (ed. MacDonald) 161-173.
• Editorial activities
• Halter, W. E. and Webster, J. D., Eds. (2004) The magmatic to hydrothermal transition and its bearing on ore-forming systems. Chemical Geology Special Volume 210.
• Aceptance of Awards
• Halter W. E. (2004) Acceptance of the Waldemar Lindgren Award for 2003. Economic Geology 99(8), 1820-1821.
• Halter W. E. (2004) Acceptance of the Paul Niggli Medal for 2001. Swiss Bulletin of Mineralogy and Petrology 82(1), 144-145.
• Selected conference proceedings
• Halter W. E., Pettke T., and Heinrich C. A. (2004) Formation of porphyry Cu-Au ore fluids: Evidence form silicate and sulfide melt inclusions. In Predictive Mineral Discoveries Under Cover (Muhling et al., eds.). The University of Western Australia Publication N° 33, 370-373.
• Halter W. E., Pettke T., and Heinrich C. A. (2002) Sulfide melts and the origin of Cu/Au ratios in porphyry deposits. Geochimica Et Cosmochimica Acta 66(15A), A304-A304.
• Halter, W. E., Heinrich, C. A., and Pettke, T. (2001) Magmatic controls on the generation of porphyry fluids: Insight from melt inclusions in the ore generating Farallon Negro Volcanic Complex, Argentina. In Mineral Deposits at the Beginning of the 21^st Century, Proceedings of the 6th biennial SGA meeting, Krakow, Poland, A.A. Balkema, Rotterdam, 429-432.
• Halter, W. E. and Pfeifer, H.-R. (1998) The effect of temperature on the surface properties of a-Al₂O₃ and As(V) adsorption. Mineralogical Magazine, 64, 563-564.
• Halter, W. E., Williams-Jones, A. E. and Kontak, D. K., (1995) Greisenization and tin mineralization at East Kemptville. In Mineral deposits: from their origin to their environmental impacts (eds. Pašava, Kríbek and ZáK), Proceedings of the 3rd biennial SGA meeting, Prague, Czech Republic, A.A. Balkema, Rotterdam. 443-446.
• Halter, W. E., Williams-Jones, A. E., and Kontak, D. J., (1997) Modelling Fluid-rock interaction during greisenization. Proceedings of the 4th biennial SGA meeting, Turku, Finland, A.A. Balkema, Rotterdam, 633-636
• Kontak, D. J., Clark, A. H., Halter, W. E. and Williams-Jones, A. E. (1995) Metal concentration versus dispersal in the magmatic-hydrothermal environment : A case study contrasting low-grade (East-Kemptville, Nova Scotia) and high-grade (San Rafael, Peru) Sn-base metal deposits. In: Giant ore deposits II, (A. Clark, ed.) 347-413, Queen’s University, Kingston, Ontario.
• In addition, approximately 25 talks were presented at national and international meeting, 7 of which were invited talks or keynotes.
• Monografies, Thesis
• Laser-ablation ICP-MS analysis of melt inclusions: Methods and applications to an ore-forming system: Habilitationschrift, ETH Zürich, 2002.
• Physicochemical controls on greisen formation and cassiterite deposition at the East Kemptville tin deposit, Nova Scotia: Ph.D. Thesis, McGill University. 1997.
•  Etude géologique et minéralogique du Nord-Est d'Alagna, Valsesia. Diploma in Geology and Mineralogy, University of Lausanne. 1992.

Distinctions

• Mineralium Deposita Best Paper Award (2005)

The paper Halter et al. (2005) was selected as the best paper published in Mineralium Deposita in the last two years.

• Waldemar Lindgren Award (2004), Society of Economic Geologists

for young scientist whose published research before the age of 35 represents and outstanding contribution to economic geology.

• Paul Niggli Medal (2001), Swiss Society of Mineralogy and Petrology

for outstanding young scientists working in the field of mineralogy and petrology.

• Canadian Institute of Mining and Metallurgy Award (1997)

for the best Ph.D. thesis in the field of economic geology in Canada.

• David Harrigan Memorial Prize (1995) McGill University, Montréal, Canada

for the best Ph.D. student in the department of Earth and Planetary Sciences.

• Société Vaudoise des Sciences Naturelles (1992)

Scholarship for travel expenses during the Ph.D. in Canada.

• Faculty of Science Award (1992) University of Lausanne, Switzerland

for an outstanding Diploma thesis.