Artículo

Gogorza, C.S.G.; Sinito, A.M.; Tommaso, I.D.; Vilas, J.F.; Creer, K.M.; Nuñez, H. "Geomagnetic secular variations 0-12 kyr as recorded by sediments from Lake Moreno (Southern Argentina)" (2000) Journal of South American Earth Sciences. 13(7):627-645
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Abstract:

Data from paleomagnetic and sedimentological studies carried out on four cores from the bottom sediments of Lake sediments Moreno (southern Argentina) were integrated with data obtained by Creer et al.. Geophys. J.R. Astron. Soc., 74 (1983). 109. Within-lake correlations are based on the magnetic susceptibility and intensity of remanent magnetization. The individual measurements were stacked and transformed to a time-scale to produce type-curves. The secular variation of the geomagnetic field was studied using spectral analysis and precession analysis of the magnetic vector. The spectrum obtained from spectral analysis shows major peaks at periodicities of about 1500, 2400, 3300, and 6200 yr for inclination data and major peaks at periodicities of about 1200, 2300, and 3500 yr for declination data. In order to test the stability of the obtained periodicities, spectral analysis was applied to every 6000 yr time span at intervals of 500 yr for both records. Both clockwise and counter clockwise precession of the geomagnetic vector is evident from analysis of the VGP path plots, with a preponderance of clockwise. © 2000 Elsevier Science Ltd. All rights reserved.

Registro:

Documento: Artículo
Título:Geomagnetic secular variations 0-12 kyr as recorded by sediments from Lake Moreno (Southern Argentina)
Autor:Gogorza, C.S.G.; Sinito, A.M.; Tommaso, I.D.; Vilas, J.F.; Creer, K.M.; Nuñez, H.
Filiación:Grupo De Geofísica, Instituto De Física Arroyo Seco, Universidad Nacional del Centro De La Provincia De Buenos Aires, Pinto 399, Tandil 7000, Argentina
Laboratorio Daniel Valencio, Universidad De Buenos Aires, Ciudad Univ. Pab. 2, Buenos Aires 1428, Argentina
Department of Geology and Geophysics, University of Edinburgh, West Mains Road, Edinburgh EH9 3JW, United Kingdom
Instituto Antartico Argentino, Cerrito 1248, Buenos Aires, Argentina
Palabras clave:Geomagnetic secular variations; Lake Moreno; Sediments; geomagnetic field; paleomagnetism; Quaternary; secular variation; Argentina; Lake Moreno; Rio Negro Province
Año:2000
Volumen:13
Número:7
Página de inicio:627
Página de fin:645
DOI: http://dx.doi.org/10.1016/S0895-9811(00)00052-3
Título revista:Journal of South American Earth Sciences
Título revista abreviado:J. South Am. Earth Sci.
ISSN:08959811
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_08959811_v13_n7_p627_Gogorza

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Citas:

---------- APA ----------
Gogorza, C.S.G., Sinito, A.M., Tommaso, I.D., Vilas, J.F., Creer, K.M. & Nuñez, H. (2000) . Geomagnetic secular variations 0-12 kyr as recorded by sediments from Lake Moreno (Southern Argentina). Journal of South American Earth Sciences, 13(7), 627-645.
http://dx.doi.org/10.1016/S0895-9811(00)00052-3
---------- CHICAGO ----------
Gogorza, C.S.G., Sinito, A.M., Tommaso, I.D., Vilas, J.F., Creer, K.M., Nuñez, H. "Geomagnetic secular variations 0-12 kyr as recorded by sediments from Lake Moreno (Southern Argentina)" . Journal of South American Earth Sciences 13, no. 7 (2000) : 627-645.
http://dx.doi.org/10.1016/S0895-9811(00)00052-3
---------- MLA ----------
Gogorza, C.S.G., Sinito, A.M., Tommaso, I.D., Vilas, J.F., Creer, K.M., Nuñez, H. "Geomagnetic secular variations 0-12 kyr as recorded by sediments from Lake Moreno (Southern Argentina)" . Journal of South American Earth Sciences, vol. 13, no. 7, 2000, pp. 627-645.
http://dx.doi.org/10.1016/S0895-9811(00)00052-3
---------- VANCOUVER ----------
Gogorza, C.S.G., Sinito, A.M., Tommaso, I.D., Vilas, J.F., Creer, K.M., Nuñez, H. Geomagnetic secular variations 0-12 kyr as recorded by sediments from Lake Moreno (Southern Argentina). J. South Am. Earth Sci. 2000;13(7):627-645.
http://dx.doi.org/10.1016/S0895-9811(00)00052-3