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Authors: Venuti, A.*
Florindo, F.*
Title: Magnetostratigraphy and environmental magnetism of two Quaternary deep-sea gravity cores from the west Pacific Southern Ocean
Title of journal: Geochemistry Geophysics Geosystems
Series/Report no.: 5 / 12 (2004)
Publisher: AGU
Issue Date: 2004
DOI: 10.1029/2004GC000810
Keywords: paleomagnetism
sedimentary cores
Southern Ocean
Abstract: We 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.
Appears in Collections:04.05.06. Paleomagnetism
Papers Published / Papers in press

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