Artículo
Sinito, A.M.; Valencio, D.A.; Ernesto, M.; Pacca, I.G. "Palaeomagnetic study of Permocarboniferous glacial varves from the Itarare Subgroup, southern Brazil" (1981) Geophysical Journal of the Royal Astronomical Society. 67(3):635-640
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Abstract:
Summary. A sequence of 167 glacial varves from Itu, State of São Paulo (Brazil), has been sampled for palaeomagnetic analysis. Since the varve thicknesses permit individual measurements, an attempt was made to compare annual palaeomagnetic results with recent observatory data. Inclination and declination plots show larger variations than those displayed by the present geomagnetic field. This could, however, be due to sedimentation factors since it may be assumed that the pattern of the present geomagnetic field variations is not greatly different from that of the Permocarboniferous field. In the next paper (Ernesto & Pacca) the experimental data are submitted to spectral analysis and the results support some of the hypotheses raised in this work. Copyright © 1981, Wiley Blackwell. All rights reserved
Registro:
| Documento: | Artículo |
| Título: | Palaeomagnetic study of Permocarboniferous glacial varves from the Itarare Subgroup, southern Brazil |
| Autor: | Sinito, A.M.; Valencio, D.A.; Ernesto, M.; Pacca, I.G. |
| Filiación: | Consejo Nacional de Investigaciones Cientlficasy Técnicasde, Argentina Facultad de Ciências Exactas Y Naturales de La, Universidad de Buenos Aires, Ciudad Universithria, Pabellon 2, Buenos Aires, Argentina Institute Astronômico e Geofisico da, Universidade de São Paulo, Caixa Postal 30.627, São Paulo, 01000, Brazil |
| Año: | 1981 |
| Volumen: | 67 |
| Número: | 3 |
| Página de inicio: | 635 |
| Página de fin: | 640 |
| DOI: | http://dx.doi.org/10.1111/j.1365-246X.1981.tb06942.x |
| Título revista: | Geophysical Journal of the Royal Astronomical Society |
| Título revista abreviado: | Geophys. J. Int. |
| ISSN: | 00168009 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00168009_v67_n3_p635_Sinito |
Referencias:
- Båth, M., (1974) Spectral Analysis in Geophysics, , Developments in Solid Earth Geophysics, Elsevier, Amsterdam
- Blow, R.A., Hamilton, N., Effect of compaction on the acquisition of a detrital remanent magnetization in fine‐grained sediments (1978) Geophysical Journal International, 52, pp. 13-23
- Creer, K.M., Molineux, L., Vernet, J.P., Wagner, J.J., Paleomagnetic dating of 1‐metre cores of sediment from Lake Geneva (1975) Earth planet. Sci. Lett., 28, pp. 127-132
- Ernesto, M., Pacca, I.G., Spectral analysis of Permocarboniferous geomagnetic variation data (1981) Geophys. J. R. astr. Soc., 67, pp. 641-647
- Fisher, R.A., (1953), pp. 217-295. , Dispersion on a sphere, Proc. R. Soc. A; Griffiths, D.H., Remanent magnetism of varved clays from Sweden (1955) Geophysical Journal International, 7, pp. 103-114
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- Løvlie, R., Postdepositional remanent magnetization in a redeposited deep‐sea sediment (1974) Earth planet. Sci. Lett., 21, pp. 315-320
- Mörner, N.A., Annual and inter‐annual magnetic variations in varved clays (1978) J. Interdiscipl. Cycle Res., 9, pp. 229-241
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- Rocha‐Campos, A.C., The Tubarão Group in the Brazilian portion of the Paraná Basin (1967) Problems in Brazilian Gondwana Geology, pp. 27-102. , Bigarella, J. J, Becker, R. D, Pinto, I. D, Curitiba
- Thompson, R., Palaeomagnetism and palaeolimnology (1973) Nature, 242, pp. 182-184
- Verosub, K.L., Depositional and postdepositional processes in the magnetization of sediments (1977) Rev. Geophys. Space Phys., 15, pp. 129-143
- Verosub, K.L., Paleomagnetism of varved sediments from western New England: variability of paleomagnetic recorder (1979) Geophysical Research Letters, 6, pp. 241-244
Citas:
---------- APA ----------
Sinito, A.M., Valencio, D.A., Ernesto, M. & Pacca, I.G. (1981) . Palaeomagnetic study of Permocarboniferous glacial varves from the Itarare Subgroup, southern Brazil. Geophysical Journal of the Royal Astronomical Society, 67(3), 635-640.http://dx.doi.org/10.1111/j.1365-246X.1981.tb06942.x
---------- CHICAGO ----------
Sinito, A.M., Valencio, D.A., Ernesto, M., Pacca, I.G. "Palaeomagnetic study of Permocarboniferous glacial varves from the Itarare Subgroup, southern Brazil" . Geophysical Journal of the Royal Astronomical Society 67, no. 3 (1981) : 635-640.http://dx.doi.org/10.1111/j.1365-246X.1981.tb06942.x
---------- MLA ----------
Sinito, A.M., Valencio, D.A., Ernesto, M., Pacca, I.G. "Palaeomagnetic study of Permocarboniferous glacial varves from the Itarare Subgroup, southern Brazil" . Geophysical Journal of the Royal Astronomical Society, vol. 67, no. 3, 1981, pp. 635-640.http://dx.doi.org/10.1111/j.1365-246X.1981.tb06942.x
---------- VANCOUVER ----------
Sinito, A.M., Valencio, D.A., Ernesto, M., Pacca, I.G. Palaeomagnetic study of Permocarboniferous glacial varves from the Itarare Subgroup, southern Brazil. Geophys. J. Int. 1981;67(3):635-640.http://dx.doi.org/10.1111/j.1365-246X.1981.tb06942.x
