Señal magnética en suelos actuales de la Provincia de Buenos Aires Argentina:: su relación con el clima

• M.J. Orgeira ^[1] ; F.X. Pereyra ^[2] ; C. Vásquez ^[1] ; E. Castañeda ^[1] ; R. Compagnucci ^[1]
  1. [1] Consejo Nacional de Investigaciones Científicas y Técnicas

     Consejo Nacional de Investigaciones Científicas y Técnicas

     Argentina

     
  2. [2] Universidad de Buenos Aires

     Universidad de Buenos Aires

     Argentina

     
• Localización: Geotemas (Madrid), ISSN 1576-5172, Nº. 6, 4, 2004 (Ejemplar dedicado a: VI CONGRESO GEOLÓGICO DE ESPAÑA (Zaragoza, 12-15 julio, 2004)), págs. 311-314
• Idioma: español
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• Resumen

  • This contribution tries to determine the influence of climate in the magnetic signal assuming that it is a first order factor in soil formation. Also, it aims to assess the degree of variability of the magnetic signal at different geomorphological positions. The magnetic signal is opposite in both areas. Two important facts must be taken into account. The generation of SP particles seems to be higherin one of the areas. And the loss of detrital magnetite could be higher in the less drained soils, inagreement with the hypothesis of loss of detrital magnetite by reductive process. As a simplified interpretation, it is possible to suggest the differential soil humidity in the studied soils couldex plain the different generation of SP particles on them. On the other hand, when it is possible to see the magnitude of the loss of detrital magnetite, the degree of drainage seems to be the variable that manages the process of reduction loss.