AN EMPIRICAL SCALING LAW FOR ACQUISITION OF THERMOREMANENT MAGNETIZATION
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dc.contributor.author | Kletetschka G. | |
dc.contributor.author | Kohout T. | |
dc.contributor.author | Acuna M.H. | |
dc.contributor.author | Wasilewski P.J. | |
dc.contributor.author | Connerney J.E.P. | |
dc.date.accessioned | 2022-04-10T07:49:19Z | |
dc.date.available | 2022-04-10T07:49:19Z | |
dc.date.issued | 2004 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=14211252 | |
dc.identifier.citation | Earth and Planetary Science Letters, 2004, 226, 3-4, 521-528 | |
dc.identifier.issn | 0012-821X | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/36983 | |
dc.description.abstract | We describe a universal linear relationship between the acquisition magnetic field, B, and thermoremanent magnetization M tr (T r) measured at room temperature T r . The efficiency e(T r) of a remanent magnetization (REM) is the ratio of the natural remanent magnetization M nr (T r) to the saturation remanence J sr (T r). We report a power law relationship with exponent related to J s (T r) and unit slope indicating a linear relationship. Thus loge(T r) of M tr (T r) in equidimensional-shaped magnetic minerals of contrasting saturation magnetization J s (T r) plots linearly with the logarithm of the applied magnetic field B along separate grain-size-independent straight lines with nearly unit slope and offsets related to J s (T r). This empirical relationship is well suited for paleofield-intensity estimation, predicts strong magnetization of hematite and pyrrhotite in weak fields, and can be used as an assessment tool for observed remanence in planetary and meteoritic objects. | |
dc.title | AN EMPIRICAL SCALING LAW FOR ACQUISITION OF THERMOREMANENT MAGNETIZATION | |
dc.type | Статья |
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