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Proc. IODP | Volume 303/306 doi:10.2204/iodp.proc.303306.208.2010 Channell, J.E.T., Kanamatsu, T., Sato, T., Stein, R., Alvarez Zarikian, C.A., Malone, M.J., and the Expedition 303/306 Scientists
 

Summary: Proc. IODP | Volume 303/306 doi:10.2204/iodp.proc.303306.208.2010
Channell, J.E.T., Kanamatsu, T., Sato, T., Stein, R., Alvarez Zarikian, C.A., Malone, M.J., and the Expedition 303/306 Scientists
Proceedings of the Integrated Ocean Drilling Program, Volume 303/306
Abstract
Paleomagnetic and rock magnetic studies were conducted on sedi-
ment obtained from Integrated Ocean Drilling Program Site U1312
in order to construct an age model for understanding spatial and
temporal changes in North Atlantic paleoceanography. Paleomag-
netic directions suggest that the sedimentary sequence from 0 to
59.6 m composite depth (mcd) covers geomagnetic polarities from
0 to 3.6 Ma. Although high fluctuations of magnetic mineral con-
centrations in most studied intervals are inadequate for a relative
paleomagnetic intensity (RPI) study, proxies of RPI in the interval
16.946 mcd, which is relatively constant in magnetic mineral
concentrations, represent an RPI pattern similar to previous North
Atlantic data. This similarity suggests good potential for further age
control using RPI on sediments from Site U1312.
Introduction
Holes U1312A (4250.2040N, 235.2506W; water depth = 3522 m)
and U1312B (4250.2150N, 235.2652W; water depth = 3523 m)

  

Source: Acton, Gary - Department of Geology, University of California, Davis

 

Collections: Geosciences