Geochemistry and Petrology of Earth Systems

The research focuses on deciphering processes shaping the interior of the Earth. Processes act from the sub-micron to the planetary scale. The major areas of research are on:

  • Igneous processes forming the continental and oceanic crust.
  • Metamorphism, fluid-rock interaction, kinetics and mineral reactions in orogenic environments.
  • In-situ characterization of isotopic compositions of crystals, fluids and melts.
  • Continent forming processes such as due to mantle heterogeneity and its consequences on volcanic products.
  • Element cycling between the deep Earth, the crust, and the near surface geosphere.

A combination of fieldwork, state-of the art laboratory analysis, experimental and computational approaches is used to solve complex problems in the Earth interior.

Aiguilles Rouges d’Arolla.jpg

The Aiguilles Rouges d'Arolla (Western Alps) represents the youngest oceanic core complex in the European Alps. It comprises a preserved segment of Jurassic-aged (ultra) slow-spreading Western Tethys ocean floor. From left to right: The highest peak in the background is cumulate gabbro; the reddish peak is formed of gabbro mylonite; the greenish rocks represent deformed metamorphosed basalts; the grayish-brownish rocks on the right are metamorphosed calc-schists (schistes lustrés); the rocks in the foreground (in front of the lake) are serpentinite scree. (Picture from O. Müntener).

Permanent team

Professors

Prof. Othmar Müntener

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Othmar Müntener’s research focuses on the origin and evolution of the lithosphere.  Main interests include field studies related to igneous processes,  timescales of magmatic processes, experimental studies on igneous crystallisation, formation of continental crust in subduction related magmatic arcs,  formation and evolution of ocean-continent transition zones. 

Lines of research:

His research is multidisciplinary and includes fieldwork, petrology, experimental petrology, and major and trace element geochemistry. 

Contact
telefono-01.jpg021 692 43 47
mail-01.jpgothmar.muntener@unil.ch
Personal website

Prof. Sébastien Pilet

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The origin of intraplate volcanism is the main subject of Sébastien's research. What is the source of alkaline basalts? Is the melting mechanism associated with the genesis of these basalts related to tectonic processes or to large "hot spots"? To try to answer these questions, he combines different constraints from the field, to geochemistry, to experimental studies.

Lines of research:

  • igneous petrology,
  • intraplate volcanism.
Contact
telefono-01.jpg021 692 44 66
mail-01.jpgsebastien.pilet@unil.ch
Personal website

Prof. Johanna Marin Carbonne

Johana marin carbonne-resize150x150.jpg

Her research focuses on the biological and environmental evolution of the surface conditions of the primitive Earth. It combines a detailed mineralogical approach with high spatial resolution analyses of traditional (oxygen, carbon, sulfur) and non-traditional (silicon and iron) stable isotope by ion probe (SIMS). Her research tends to reconstruct quantitatively the surface conditions of the primitive Earth and to better understand the evolution of life during this period.

Johanna is Head of Laboratory in the SwissSIMS national facility, which is a part of the Center for Advanced Surface Analysis (CASA) platform (UNIL/EPFL).

Lines of research:

  • primitive Earth,
  • stable isotopes,
  • carbonates,
  • geochemistry and biogeochemistry.
Contact
telefono-01.jpg021 692 44 58
mail-01.jpgjohanna.marincarbonne@unil.ch
Personal website

Prof. Pierre Lanari

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Pierre Lanari's research focuses on rock-forming processes in the Earth's interior. He is interested in the formation and evolution of metamorphic minerals, determined by combining chemical and isotopic mapping with numerical modelling. These transformations have important implications for the evolution of subduction zones and active mountain ranges, such as the Alps and the Himalayas. 

Lines of research:

  • conditions and rates of metamorphism
  • thermodynamics
  • petrochemical modeling
Contact
telefono-01.jpg021 692 43 77
mail-01.jpgpierre.lanari@unil.ch
Personal website

Prof. François Bussy

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Lines of research:

  • geochronology,
  • isotope geochemistry,
  • petrology,
  • mineralogy.
Contact
telefono-01.jpg021 692 44 58
mail-01.jpgfrancois.bussy@unil.ch
Personal website

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Scientific collaborators

Dr. Alexey Ulyanov

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Dr. Alexey Ulyanov is the Laboratory Manager of the LA-ICP-MS, which is a part of the Center for Advanced Surface Analysis (CASA)a common UNIL/EPFL research center hosted in the Geopolis building.

Position(s): Laboratory Scientific Expert

Lines of research:

  • Analytical chemistry
  • Geochemistry
  • Petrology
Contact
telefono-01.jpg021 692 44 39
mail-01.jpgalexey.ulyanov@unil.ch
Personal website

Dr. Anne-Sophie Bouvier

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Dr. Anne-Sophie Bouvier is currently the laboratory manager of the SIMS laboratory which is part of the SwissSIMS Ion probe national facility and the Centre for Advanced Surface Analysis (CASA) in Switzerland.

Position(s): Laboratory manager

Lines of research:

  • The use of melt inclusions to trace the volatile cycles into the mantle
  • Isotopic disequilibrium between olivine and their hosted melt inclusions
Contact
telefono-01.jpg021 692 44 67
mail-01.jpganne-sophie.bouvier@unil.ch
Personal website

Dr. Benita Putlitz

Benita Putlitz.jpg

Dr. Benita Putlitz is the laboratory manager of the X-ray micro-computed tomography lab.

Position(s): Laboratory Scientific Expert

Lines of research:

  • Geochemistry
  • Igneous and metamorphic petrology
  • Stable isotopes
Contact
telefono-01.jpg021 692 44 43
mail-01.jpgbenita.putlitz@unil.ch
Personal website

Dr. Daniela Rubatto

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Dr. Daniela Rubatto is a part-time scientific collaborator at the ISTE and she is also attached to the University of Bern where she is Professor of Geochemistry. Her research is aimed to reveal and quantify highly complex geological processes, from the crystalline scale, up to the plate tectonic scale. For this purpose, she uses several approaches such as tectonics, metamorphic petrology, mineral chemistry, geochronology and trace element and isotope geochemistry.

Position(s): Laboratory Scientific Expert

Lines of research:

  • Isotope geochemistry
  • Stable isotope analysis
  • Geochronology
  • Metamorphic petrology
Contact
telefono-01.jpg021 692 43 74
mail-01.jpgdaniela.rubatto@unil.ch
Personal website
Institute of geological sciences (University of Bern)

Dr. Martin Robyr

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Dr. Martin Robyr is the lab manager at the electron probe microanalyzer (EPMA) facility.

Position(s): Laboratory Scientific Expert, Privat-Docent

Lines of research:

  • Geochemistry
  • Igneous and metamorphic petrology
Contact
telefono-01.jpg021 692 44 41
mail-01.jpgmartin.robyr@unil.ch
Personal website

Dr. Olivier Reubi

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Dr. Olivier Reubi’s research is focused mainly on physical volcanology and subduction zones magmatism. His doctoral thesis and subsequent work were focused on specific case studies of calcalkaline volcanoes in order to derive a more general understanding of global magmatic processes. His innovative and rigorous approaches using melt inclusion geochemistry to decipher the origin of andesitic magmas and the use of uranium and thorium decay series to determine the time duration of magmatic processes at subduction zones have awarded him the 2008 Paul Niggli Medal.

At the ISTE, Olivier carries research in igneous petrology and geochemistry and is also the laboratory manager of the X-Ray fluorescence and Raman spectroscopy laboratories.

Position(s): Research Scientist and Laboratory Manager

Lines de research:

  • Geochemistry
  • Petrology
  • Volcanology
Contact
telefono-01.jpg021 692 43 22
mail-01.jpgolivier.reubi@unil.ch
Personal website

Dr. Pierre Vonlanthen

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Dr. Pierre Vonlanthen is the laboratory manager of the scanning electron microscopy (SEM) facility.

Position(s): Research Manager

Lines of research:

  • Recrystallization and plastic deformation of zircon
  • Fine volcanic ash in 3D

More information

Contact
telefono-01.jpg021 692 35 24
mail-01.jpgpierre.vonlanthen@unil.ch
Personal website

Dr. Stéphane Escrig

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Dr. Stéphane Escrig is the responsible of the NanoSIMS ion probe, which is part of the Centre for Advanced Surface Analysis (CASA).

Position(s): Laboratory Scientific Expert

Lines of research:

  • Isotope geochemistry
  • Volcanology
  • Petrology

Associated research group: Laboratory of Biological Geochemistry (LBG)

Contact
telefono-01.jpg021 692 43 37 / 021 692 43 26
mail-01.jpgstephane.escrig@unil.ch / stephane.escrig@epfl.ch
Personal website

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Associated research center

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Center for Advanced Surface Analysis

The Centre d'analyse de surface avancée (CASA) is a common UNIL/EPFL platform hosted in the Geopolis building of University of Lausanne. This Swiss research center offers to a broad range of scientists the state-of-the-art micro-analytical Secondary Ion Mass Spectrometric (SIMS) instruments for chemical and isotopic characterization of solid matter.

More information