Olivier Sissmann Home Page
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Olivier
Sissmann
PhD
student in Geochemistry (also
referred to as “mad geochemist in training”) IPGP (Institut
de Physique du Globe de Paris) 1 rue
Jussieu 75238 Paris
Cedex 05 Tel: +33 1
83 95 75 24 email: sissmann Also at Laboratoire
de Géologie de l’Ecole Normale Supérieure (ENS) 24 rue Lhomond 75005 Paris PhD grant from Schlumberger and ADEME (French
environment agency) Advisors: Isabelle Martinez and Fabrice Brunet Collaborations: Damien Daval, François Guyot and Pierre Agrinier Research Interests Water-rock interactions Interfacial
secondary phases at the fluid-mineral interface controlling the dissolution
kinetics of silicates Bridging
the gap between lab and field alteration rates of silicates (a life-long quest ! :) CO2 geological storage: carbonation
processes of mafic rocks Study of
carbonates’ nucleation and growth kinetics, and of potential associated
secondary phases impeding their formation Carbonate paleothermometry δ18O
isotopic composition of carbonates and associated silica phase to determine
temperature formation in natural systems
Serpentinization of mafic rocks Quantification of associated H2
flux produced during serpentinization, and
associated C-compounds Analytical
& Modeling Skills Gas source mass spectrometry Vacuum lines gas extractions for -
Quantifying water in samples (separating H2O
then reducing it with uranium on a furnace to obtain H2) -
δ13C (step heating, or orthophosphorous acid attack for carbonates) -
δ18O (flurorination
for silicates) Use of High P/T autoclaves with fluid
sampling ICP-OES and colorimetry
(cations and silica concentration analysis) SEM and TEM imaging and mapping (nm to μm-scale characterization of fluid/solid interfaces) Raman spectroscopy X-ray diffraction Thermodynamical and kinetic modeling (CHESS,
SUPCRT) |
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Publications
2011
Daval, D., Sissmann, O., Menguy, N., Saldi,
G. D., Guyot, F., Martinez, I., Corvisier, J.,
Garcia, B., Machouk, I., Knauss,
K. G., Hellmann, R. (2011)
Influence of amorphous silica layer formation on the
dissolution rate of olivine at 90 °C and elevated pCO2.
Chemical Geology 284,
193–209. doi:10.1016/j.chemgeo.2011.02.021.
Guyot,
F., Daval, D., Dupraz, S.,
Martinez, I., Ménez, B., Sissmann, O. (2011)
CO2 geological storage :
the environmental mineralogy perspective.
Comptes
Rendus Geoscience 343, 246–259. doi:10.1016/j.crte.2010.12.007.
International Communications
2012
Sissmann, O. *, Martinez, I., Brunet, F., Verlaguet A., Pinquier Y., Guyot
F., Daval, D. (2012)
Feedback
effects of clay minerals formation on the kinetics and mechanisms of olivine
carbonation within tholeiitic basalt.
Goldschmidt Conference, Montreal, Canada [oral]
2011
Sissmann, O.*, Daval,
D., Martinez, I., Brunet, F., Verlaguet, A., Pinquier, Y., Guyot, F. (2011)
Effects of organic ligands and temperature variations
on the kinetics of olivine carbonation and the formation of associated
secondary phases.
American Geophysical Union
Fall Meeting, San Francisco, United States.
[oral]
Sissmann, O.*, Daval,
D., Martinez, I., Brunet, F., Findling, N., Guyot, F. (2011)
Effects of organic ligands and temperature on the kinetics
and mechanisms of olivine carbonation.
Goldschmidt Conference, Prague, Czech Republic.
[poster]
Sissmann, O.*, Daval,
D., Martinez, I., Brunet, F., Verlaguet, A., Pinquier, Y., Guyot, F. (2011)
Effects of organic ligands and temperature variations
on the kinetics of olivine carbonation and the formation of associated
secondary phases.
Second International French-Canadian Symposium on CO2
Capture and Storage, Paris, France [poster]
2010
Sissmann, O.*, Daval,
D., Martinez, I., Brunet, F., Findling, N., Guyot, F. (2010)
Investigating the effect of potential additives and
temperature on the dissolution kinetics of olivine (Mg2SiO4) in carbonation
reactions.
American Geophysical Union Fall
Meeting, San Francisco, United States. [poster]
Sissmann, O.*, Daval,
D., Martinez, I., Brunet, F., Findling, N., Guyot, F. (2010)
Investigating the effect of potential additives and
temperature on the dissolution kinetics of olivine (Mg2SiO4) in carbonation
reactions.
European
Intensive Seminars of Petrology, High Pressure Experimental Petrology Workshop,
Zurich, Switzerland. [poster]
Sissmann, O. *, Martinez, I., Gérard,
M., Findling, N., Prinzhofer,
A., Daval, D., Brunet, F., Guyot,
F. (2010)
Mineral
storage of CO2 in basic rocks: the carbon sources of natural analogs.
Workshop:
Carbonation from Nanoscale Process to Bulk Material,
Paris, France. [oral]
Deville,
E. P.; Prinzhofer, A.; Pillot,
D.; Vacquand, C., Sissmann, O. (2010)
Peridote-water
interaction generating migration pathways of H2-rich fluids in subduction context: Common processes in the ophiolites of Oman, New-Caledonia, Philippines and Turkey.
American
Geophysical Union, Fall Meeting, San Francisco, United States. [poster]
Daval, D.*, Sissmann, O., Saldi, G. D., Hellmann, R., Gin,
S., Corvisier, J., Martinez, I., Guyot,
F., Knauss, K. G. (2010)
Probing the surface properties of weathered silicate
minerals to better understand their reactivity.
American Geophysical Union Fall
Meeting, San Francisco, United States. [oral]
Daval, D.*, Martinez, I., Guigner, J.-M., Corvisier, J.,
Hellmann, R., Sissmann, O., Garcia,B., Menguy, N., Goffé, B., Guyot, F. (2010)
How
do silica coatings affect mineral weathering rates?
Workshop:
Carbonation from Nanoscale Process to Bulk Material,
Paris, France. [oral]
Daval, D.*, Sissmann, O., Corvisier, J., Garcia, B.,
Martinez, I., Guyot, F., Hellmann, R. (2010)
The
effect of silica coatings on the weathering rates of wollastonite
(CaSiO3) and forsterite (Mg2SiO4): An apparent
paradox?
Thirteenth International Symposium on
Water-Rock Interaction, Guanajuato, Mexico.
[oral]
Teaching experience
Teaching assistant in:
Thermodynamics
of Geochemical Systems (3rd year BsC)
Geochemical
Cycles and Sustainability (2nd year BSc)
Introduction
to Geochemical and Geophysical Analysis (2nd year BSc)
Physics of
Wave Propagation (2nd year BSc)
Introduction
to Earth Sciences (1st year BSc)