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What does AMS mean in multilayer systems? Regional and detailed study from the Southern Pyrenees (Aragon, Spain) .

  • Autores: Oscar Pueyo Anchuela, Andrés Gil Imaz, Andrés Pocoví Juan
  • Localización: Trabajos de geología, ISSN 0474-9588, Nº 30, 2010, págs. 155-162
  • Idioma: inglés
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  • Resumen
    • In this paper we analyse the processes inferred from the magnetic fabric studies and theassumption that the lithology can control the magnetic properties. A detailed regional study is carriedout in the Eocene turbidite system from the Southern Pyrenees. The results obtained from rock magnetismanalysis and the magnetic fabrics show that neither aspect is controlled by lithological changes.The higher values of paramagnetic contribution to the susceptibility show fabrics related to LPS andcleavage development. The study of subfabrics reveals that the same processes can be interpreted in allthe rock types whereas it is not evident from the AMS at room temperature. In the studied samples,the paramagnetic contribution to the susceptibility does not depend on the lithology, but it does controlthe sensitivity to strain in the RTAMS.


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