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AuthorsVenuti, A.* 
Florindo, F.* 
TitleMagnetostratigraphy and environmental magnetism of two Quaternary deep-sea gravity cores from the west Pacific Southern Ocean
Issue Date2004
Series/Report no.5 / 12 (2004)
sedimentary cores
Southern Ocean
Subject Classification04. Solid Earth::04.05. Geomagnetism::04.05.06. Paleomagnetism 
AbstractWe present new paleomagnetic data for Quaternary u channel samples from two deep-sea gravity cores from the west Pacific Southern Ocean. These cores were recovered in the Antarctic summers 1995–1996 during the oceanographic cruise of the R/V Italica. One was recovered beneath the present-day Antarctic Polar Front (Anta 95-157), and the other is from within the Antarctic Zone (Anta 96-16). The Matuyama- Brunhes boundary has been identified in both cores, with a longer history of sedimentation available in Anta 96-16. A detailed rock magnetic study shows discrete occurrences of ice rafted debris, which were influenced by 100-kyr orbital eccentricity variations during the Brunhes Chron. This is consistent with the main periodicity of the climate system since the mid-Pleistocene climate transition.
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