Paleomagnetic of DSDP Leg 90, supplement to: Barton, Charles E; Bloemendal, Jan (1986): Paleomagnetism of sediments collected during Leg 90, Southwest Pacific. In: Kennett, JP; von der Borch, CC; et al. (eds.), Initial Reports of the Deep Sea Drilling Project, Washington (U.S. Govt. Printing Office), 90, 1273-1316

Charles E Barton & Jan Bloemendal
Sediments recovered during Leg 90 (Sites 587-594, plus Site 586 cored during Leg 89) are, in general, extremely weakly magnetized carbonate oozes and chalks with NRM intensities seldom greater than 0.05 µG. The quality of the paleomagnetic records deteriorates with increasing depth caused by the combined effects of removal of primary magnetic oxides by sulfate reduction processes and the dispersal of magnetic grains during compaction.Magnetic reversal sequences are generally recognizable back to the Gilbert, 3.4...
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