Apparent magnetic polarity reversals due to remagnetization resulting from late diagenetic growth of greigite from siderite
A mixed-polarity zone, representing alternations between remagnetized and non-remagnetized strata, has been documented within the lower few metres of the CRP-1 core (Ross Sea, Antarctica). Detailed rock magnetic investigation of this interval indicates that the normal polarity remagnetization is carried by magnetostatically interacting single-domain particles of a ferri-magnetic iron sulphide mineral, while the reversed-polarity magnetization of non-remagnetized strata is carried by magnetite...[Show more]
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|Source:||Geophysical Journal International|
|01_Sagnotti_Apparent_magnetic_polarity_2005.pdf||496.68 kB||Adobe PDF||Request a copy|
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