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    On the magnetic memory phenomenon in rocks and its bearing on palaeomagnetic measurements

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    Date
    1968
    Author
    Radhakrishnamurty, C
    Sahasrabudhe, P W
    Raja, P K S
    Type
    Article
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    Abstract
    The results of recent extensive studies on the low field hysteresis in basalts from India and East Africa and the memory phenomenon observed in some of the rocks have been found to have a direct bearing on the various parameters such asQ n,Q tn, stability by the A.C. field technique etc. which are of great importance in rock-magnetism. It has been found that rocks having low Curie temperature (itθ c ) and not exhibiting memory phenomenon are ideally suited for palaeomagnetic studies. Also, rocks having relatively higher itθ c often exhibit memory phenomenon, given inconsistent NRM directions and show an irregular behaviour on A.C. field cleaning. In using the latter rock types for palaeomagnetic work one has to take a number of precautions which are clearly brought out by the studies described in this paper.
    URI
    http://link.springer.com/article/10.1007/BF00875145
    http://hdl.handle.net/11295/65711
    Citation
    Radhakrishnamurty, C., Sahasrabudhe, P. W., & Raja, P. K. S. (1968). On the magnetic memory phenomenon in rocks and its bearing on palaeomagnetic measurements. pure and applied geophysics, 70(1), 94-104.
    Publisher
    University of Nairobi
    Collections
    • Faculty of Science & Technology (FST) [4264]

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