Influence of volcanic glass on the magnetic signal of different paleosols in Córdoba, Argentina
This contribution comprises geological and magnetic results obtained in loess and paleosols profiles outcropped in the Pampean plain (Argentina). The sedimentary sequence exposed in Córdoba province is represented by four profiles Corralito I, Corralito II, Monte Ral815o and Lozada, 32°S 64°14'...
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todo:paper_00393169_v61_n2_p361_Rouzaut2023-10-03T14:49:38Z Influence of volcanic glass on the magnetic signal of different paleosols in Córdoba, Argentina Rouzaut, S. Orgeira, M.J. environmental magnetism mineralogy past climate loess mineralogy paleoclimate paleomagnetism paleosol volcanic glass Argentina Cordoba [Argentina] This contribution comprises geological and magnetic results obtained in loess and paleosols profiles outcropped in the Pampean plain (Argentina). The sedimentary sequence exposed in Córdoba province is represented by four profiles Corralito I, Corralito II, Monte Ral815o and Lozada, 32°S 64°14'W (Argentina). These profiles were mineralogically described and magnetically analyzed. The sediments that compound the profiles contain volcanic glass between 20 and 90%. The results of two paleosols with different percentage of volcanic glass in the parent material (correlated to Marine Isotope Stage 5, MIS 5) exposed at Corralito I and Lozada, were compared; an important relationship between environmental magnetism signal and volcanic glass content was observed. All the results suggest that there are variations between different paleosols of the same area and age; such variations are attributed to content of volcanic glass in parent material; time of exposure of the parent material to pedogenic processes; and geomorphological place of each profile. At present, it is not possible to quantify certainly the paleo-precipitation index. Only qualitative interpretation can be done taking into account many variables of the geological system. © 2017, Institute of Geophysics of the ASCR, v.v.i. Fil:Orgeira, M.J. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_00393169_v61_n2_p361_Rouzaut |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
environmental magnetism mineralogy past climate loess mineralogy paleoclimate paleomagnetism paleosol volcanic glass Argentina Cordoba [Argentina] |
| spellingShingle |
environmental magnetism mineralogy past climate loess mineralogy paleoclimate paleomagnetism paleosol volcanic glass Argentina Cordoba [Argentina] Rouzaut, S. Orgeira, M.J. Influence of volcanic glass on the magnetic signal of different paleosols in Córdoba, Argentina |
| topic_facet |
environmental magnetism mineralogy past climate loess mineralogy paleoclimate paleomagnetism paleosol volcanic glass Argentina Cordoba [Argentina] |
| description |
This contribution comprises geological and magnetic results obtained in loess and paleosols profiles outcropped in the Pampean plain (Argentina). The sedimentary sequence exposed in Córdoba province is represented by four profiles Corralito I, Corralito II, Monte Ral815o and Lozada, 32°S 64°14'W (Argentina). These profiles were mineralogically described and magnetically analyzed. The sediments that compound the profiles contain volcanic glass between 20 and 90%. The results of two paleosols with different percentage of volcanic glass in the parent material (correlated to Marine Isotope Stage 5, MIS 5) exposed at Corralito I and Lozada, were compared; an important relationship between environmental magnetism signal and volcanic glass content was observed. All the results suggest that there are variations between different paleosols of the same area and age; such variations are attributed to content of volcanic glass in parent material; time of exposure of the parent material to pedogenic processes; and geomorphological place of each profile. At present, it is not possible to quantify certainly the paleo-precipitation index. Only qualitative interpretation can be done taking into account many variables of the geological system. © 2017, Institute of Geophysics of the ASCR, v.v.i. |
| format |
JOUR |
| author |
Rouzaut, S. Orgeira, M.J. |
| author_facet |
Rouzaut, S. Orgeira, M.J. |
| author_sort |
Rouzaut, S. |
| title |
Influence of volcanic glass on the magnetic signal of different paleosols in Córdoba, Argentina |
| title_short |
Influence of volcanic glass on the magnetic signal of different paleosols in Córdoba, Argentina |
| title_full |
Influence of volcanic glass on the magnetic signal of different paleosols in Córdoba, Argentina |
| title_fullStr |
Influence of volcanic glass on the magnetic signal of different paleosols in Córdoba, Argentina |
| title_full_unstemmed |
Influence of volcanic glass on the magnetic signal of different paleosols in Córdoba, Argentina |
| title_sort |
influence of volcanic glass on the magnetic signal of different paleosols in córdoba, argentina |
| url |
http://hdl.handle.net/20.500.12110/paper_00393169_v61_n2_p361_Rouzaut |
| work_keys_str_mv |
AT rouzauts influenceofvolcanicglassonthemagneticsignalofdifferentpaleosolsincordobaargentina AT orgeiramj influenceofvolcanicglassonthemagneticsignalofdifferentpaleosolsincordobaargentina |
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