Contribution of magnetic aftereffect and induction transition characteristics of basalts from the Vitim plateau

Authors

  • A. Yu. Kazanskiy Institute of Petroleum Geology and Geophysics SB RAS, Russian Federation
  • G. G. Matasova Institute of Petroleum Geology and Geophysics SB RAS, Russian Federation
  • N. O. Kozhevnikov Institute of Petroleum Geology and Geophysics SB RAS, Russian Federation
  • E. Yu. Antonov Institute of Petroleum Geology and Geophysics SB RAS, Russian Federation
  • P. S. Maksimov "Sosnovgeology" of FSUE "Urangeo", Russian Federation

DOI:

https://doi.org/10.24028/gzh.0203-3100.v34i4.2012.116761

Abstract

To study magnetic aftereffect (magnetic viscosity) with its manifestations making difficulties for interpretation of the data of transitional processes, comprehensive experimental studies of samples have been conducted, which characterize the upper rock mass of the Vitim basaltic plateau. An attempt to reveal the character of distribution of magnetically viscous rocks within volcano-sedimentary succession of strata has been made and to find out which ferromagnetic particles display the effect of magnetic viscosity on the inductive transient response. It has been shown that in time-domain measurements with inductive systems the greatest contribution of magnetic viscosity effect is brought by the most fresh, unchanged rocks. Magnetic viscosity effect is mainly caused by super-paramagnetic grains of low-titanic titanomagnetite, close to pure magnetite with rather narrow grain-size interval (most probably 0.0254-0.029 mm). As for the smaller superparamagnetic grains, the contribution of relaxation of their magnetization to inductive transient responses is approximately 3 times lower. Possible criteria of diagnostics of superparamagnetic particles of different size are proposed on the base of petro-magnetic data.

References

Антонов Е. Ю., Кожевников Н. О., Максимов П. С., Гомульский В. В. Импульсная индуктивная электроразведка геологических сред с вязкостью // Материалы Пятой всерос. школы-семинара им. М. Н. Бердичевского и Л. Л. Ваньяна по электромагнитным зондированиям Земли - ЭМЗ-2011. - В 2 кн.- СПб.: Изд-во СПб ун-та, 2011. - Кн. 2. - С. 11-14.

Кожевников Н. О., Антонов Е. Ю. Влияние релаксации намагниченности однородного полупространства на индукционные переходные характеристики // Геология и геофизика. - 2008. - 49, № 3. - С. 262-276.

Митрофанов Е. А., Рогова В. П., Аввакумов В. В., Кучеренко А. А., Нестерова Н. В. Минералогогеохимические особенности неогенового уранового месторождения Источное (Амалатское плато базальтов) // Изв. ИрГУ. Сер. Науки о Земле. - 2010. - 3, № 2. - С. 126-138.

Нагата Т. Магнетизм горных пород. - Москва: Мир, 1965. - 348 с.

Печерский Д. М. Петромагнетизм и палеомагнетизм. - Москва: Наука, 1985. - 127 с.

Печерский Д. М., Диденко А. Н. Палеоазиатский океан.- Москва: ОИФЗ РАН, 1995.- 298 с.

Рассказов С. В., Лямина Н. А., Черняева Г. П., Лузина И. В., Руднев А. Ф., Резанов И. Н. Стратиграфия кайнозоя Витимского плоскогорья: феномен длительного рифтогенеза на юге Восточной Сибири. - Новосибирск: Гео, 2007. - 193 с.

Трухин В. И. Введение в магнетизм горных пород. - Москва: Изд-во Моск. ун-та, 1973. - 272 с.

Day R., Fuller M., Schmidt V. A. Hysteresis properties of titanomagnetites: grain-size and compositional dependence // Phys. Earth Planet. Inter. - 1977. -13. - P. 260-267.

Dunlop D. J. Superparamagnetic and Single-Domain Threshold Sizes in Magnetite // J. Geophys. Res. -1973. - 78, № 11. - P. 1780-1793.

Dunlop D. J. Theory and application of the Day plot (M-rs/M-s versus H-cr/H-c) // J. Geophys. Res. S. Solid Earth. - 2002. - 107, iss. B3. - P. 2046-2067.

Dunlop D. J., Ozdemir о. Rock Magnetism: Fundamentals and Frontiers. - New York; London; Cambridge: Cambr. Univ. Press, 1997. - 573 p.

Encyclopedia of Geomagnetism and Paleomagnetism / Eds D. Gubbins, E. Herrero-Bervera. - Dordrecht: Springer-Verlag, 2007. - 1054 p.

Jasonov P. G., Nourgaliev D. K., Bourov B. V., Heller F. A modernized coercivity spectrometer // Geologica Carpathica. - 1998. - 49, № 3. - P. 224-226.

Thompson R., Oldfield F. Environmental Magnetism. - London: Allen and Unwin, 1986. - 227 p.

Yoshida M., Fujiwara Y., Khadim I. M., Ali M., Ahmad M. N. Magnetic Approaches to Geological Sciences. Part I: Paleomagnetism and its Applications. - Islamabad, Pakistan: Geoscience Lab., GSP and JIGA, 1994. - 284 p.

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Published

2012-08-01

How to Cite

Kazanskiy, A. Y., Matasova, G. G., Kozhevnikov, N. O., Antonov, E. Y., & Maksimov, P. S. (2012). Contribution of magnetic aftereffect and induction transition characteristics of basalts from the Vitim plateau. Geofizicheskiy Zhurnal, 34(4), 128–136. https://doi.org/10.24028/gzh.0203-3100.v34i4.2012.116761

Issue

Vol. 34 No. 4 (2012)

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