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Geoacta
versión On-line ISSN 1852-7744
Resumen
ROUZAUT, S et al. Comparative study of magnetic properties in central region of Córdoba province, Argentina. Geoacta [online]. 2013, vol.38, n.2, pp.128-139. ISSN 1852-7744.
This contribution presents results obtained from two profiles located in nearby towns in the central region of Córdoba province. The objective of the study was to determine the magnetic parameters of the sediments that constitute the profiles in order to establish a correlation between both of them, and to evaluate any record of paleoenvironmental changes. The profiles were described and sampled in detail; in the collected specimens magnetic susceptibility at 470 Hz and 4700 Hz was measured, as well as coercivity, coercivity of remanence, saturation magnetization and remanent saturation magnetization, S-ratio, anhysteric remanent magnetization and susceptibility at high temperatures. From the obtained results it is possible to infer that despite the proximity of the profiles, there are differences in their magnetic signal, which may be due to a higher content of carbonates in one of the profiles, more remobilization of the material, permeability differences, or a combination of all these causes.
Palabras clave : Loess-paleosol; Rock magnetism.