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- Simancas, J.F., et al.
(författare)
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The seismic crustal structure of the Ossa-Morena Zone and its geological interpretation
- 2004
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Ingår i: Journal of Iberian Geology. - 1698-6180 .- 1886-7995. ; 30, s. 133-142
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Tidskriftsartikel (refereegranskat)abstract
- The IBERSEIS deep reflection seismic experiment has provided a crustal image of the Variscan orogen of southwest Iberia. A brief presentation of the entire seismic profile is given, and then the Ossa-Morena Zone (OMZ) and its boundaries are considered. The crust of the OMZ is shown to be divided into an upper crust, characterized by dominantly NE-dipping reflectivity, and a poorly reflective lower crust. The reflectivity of the upper crust has good correlation with the geological cross-section constructed from surface mapping. In the seismic image, the upper crustal geological structures are seen to merge in the middle crust. Nevertheless, the OMZ middle crust is not a mere detachment level, as it shows very unusual features: it appears as a band of strong reflectivity and irregular thickness (the Iberian Reflective Body, IRB) that we interpret as a great sill-like intrusion of basic rocks. The boundaries of the OMZ are considered sutures of the orogen, and their geometrical features, as deduced from geological mapping and the seismic image, are in accordance with the transpressional character of the Variscan collision recorded in SW Iberia. The present Moho is flat, obliterating the root of the orogen.
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- Sanchez, D., Alonso, J. A., Garcia-Hernandez, M., Martinez-Lope,M. J., Martinez J. L., and Mellergård, A.
(författare)
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Neutron-diffraction magnetic scattering in ordered and disordered Sr2FeMoO6
- 2002
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Ingår i: Appl. Phys.. ; A74, s. 1752-1754
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Tidskriftsartikel (refereegranskat)
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- Sanchez, D., Alonso, J. A., Garcia-Hernandez, M., Martinez-Lope, M. J., Martinez, J. L., and Mellergård, A.
(författare)
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Origin of neutron magnetic scattering in antisite-disordered Sr2 FeMoO6 double perovskites, Modelling of atomic and magnetic structures from powder diffraction data: recent developments of the RMCPOW method
- 2002
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Ingår i: Phys. Rev. B. ; 65, s. 104426-
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Tidskriftsartikel (refereegranskat)
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- Sanchez, D., Garcia-Hernandez, M., Martinez, J.L., Alonso, J.A. Martinez-Lope, M.J., Casais, M.T., Mellergard, A.
(författare)
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The effect of substitutional mis-site disorder on the structural, magnetic and electronic transport properties of Sr2FeMoO6 double perovskites
- 2002
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Ingår i: J. Magn. Magn. Mater.. ; 242, s. 729-731
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Tidskriftsartikel (refereegranskat)
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