The identification of magnetite in limestones using the low-temperature transition |
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| Authors: | HJ Mauritsch P Turner |
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| Institution: | Department of Geophysics and Planetary Physics, School of Physics, The University, Newcastle upon Tyne Great Britain |
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| Abstract: | The low-temperature (K1) transition has been measured in prepared samples with a low concentration of magnetite to test the validity of the technique for identifying magnetite in weakly magnetized rocks. Using an astatic magnetometer, magnetite concentrations as low as 1 part in 100,000 can be satisfactorily detected.Measurements on natural samples show the presence of magnetite in a variety of limestones which are known to have a stable natural remanent magnetization. |
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