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Accueil > Documents > Pages personnelles > Benoît ILDEFONSE > Recherche > Propriétés physiques de la croûte océanique

Propriétés physiques de la croûte océanique

Magnetic susceptibility and density of serpentinized peridotites

Relation between magnetic susceptibility and grain density for Hole 1274A serpentinites.
The solid line represents results of a two-step model (Bach et al., 2006)

Magnetic suceptibility and density of serpentinized peridotites are correlated to serpentinization processes. This is shown by series of measurements in samples from the Mid-Atlantic Ridge, 15°N (ODP Leg 209), and by modeling and petrological/geochemical analysis (Bach et al., 2006).

References :
- Ildefonse, B., Carlson, R.L., Garcés, M., Gee, J.S., Iturrino, G.J., and Ocean Drilling Program Leg 209 Scientific Party, 2003. Physical properties of gabbros and serpentinized peridotites at the MAR, 15°N. Shipboard results from ODP Leg 209. Eos Trans., 84(46), fall Meet. Suppl., Abstract V11E-0545.
- Shipboard Scientific Party, 2003. Leg 209 Preliminary Report. ODP Prelim. Rpt., 109.
- Ildefonse, B., Carlson, R.L., and ODP Leg 209 Shipboard Scientific party, 2004. Serpentinisation and physical properties of Mid-Atlantic Ridge peridotites. Shipboard results from ODP Leg 209 (Invited). EGU 2004, Nice, Geophysical Research Abstracts, Vol. 6, 01855, 2004. Download poster
- Ildefonse, B., Carlson, R.L., and ODP Leg 209 Shipboard Scientific party, 2004. Serpentinisation and physical properties of Mid-Atlantic ridge Peridotites (15°N) ? Shipboard results from ODP Leg 209. Euroforum IODP-ICDP, Bremen, Germany, March 2004.
- Kelemen, P.B., Kikawa, E., Miller, D.J., Abe, N., Bach, W., Carlson, R.L., Casey, J.F., Chambers, L.M., Cheadle, M., Cipriani, A., Dick, H.J.B., Faul, U., Garces, M., Garrido, C., Gee, J.S., Godard, M., Griffin, D.W., Harvey, J., Ildefonse, B., Iturrino, G.J., Josef, J., Meurer, W.P., Paulick, H., Rosner, M., Schroeder, T., Seyler, M. and Takazawa, E., 2004. Proc. ODP, Init. Repts., 209.
- Bach, W., H. Paulick, C. J. Garrido, B. Ildefonse, W. P. Meurer, and S. E. Humphris, 2006. Unraveling the sequence of serpentinization reactions : petrography, mineral chemistry, and petrophysics of serpentinites from MAR 15°N (ODP Leg 209, Site 1274), Geophys. Res. Lett., 33, L13306, doi:10.1029/2006GL025681.