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The ionic reordering in Fe-Ti ferrimagnetics as a dominant source of the reversed RM in basaltic rocks

In: Contributions to Geophysics and Geodesy, vol. 39, no. 1
Oto Orlický

Details:

Year, pages: 2009, 55 - 82
Keywords:
the Ti-Mgh phase, ionic reordering in ferrimagnetic – the source of the self-reversed remanent magnetization
About article:
The basalts of the Pleistocene to Quaternary age from southern part of Slovakia were investigated. These are the basalts containing predominantly the titano-maghemites (Ti-Mgh-es) which carry the reversed remanent magnetization (RM). The partial thermoremanent magnetization (PTRM) in original and artificially prepared samples was induced in the geomagnetic field of normal polarity and intensity H ≈ 48 μT. The PTRM reversed by the self-reversed mechanism was induced in all the above-mentioned types of basalts, in the interval 300 to 475°C. In this temperature interval an increase of magnetic susceptibility with a peak about 450°C was detected. The acquired reversed RM and PTRM of basalts have been explained on the basis of the reordering of magnetic ions in the A and B sub-lattices of the oxidized Fe-Ti ferrimagnetics in basalts.
How to cite:
ISO 690:
Orlický, O. 2009. The ionic reordering in Fe-Ti ferrimagnetics as a dominant source of the reversed RM in basaltic rocks. In Contributions to Geophysics and Geodesy, vol. 39, no.1, pp. 55-82. 1338-0540.

APA:
Orlický, O. (2009). The ionic reordering in Fe-Ti ferrimagnetics as a dominant source of the reversed RM in basaltic rocks. Contributions to Geophysics and Geodesy, 39(1), 55-82. 1338-0540.