Correcting relative paleointensity records for variations in sediment composition: Results from a South Atlantic stratigraphic network

Earth and Planetary Science Letters

Volumn 284, Issue 1-2, 2009, Pages 34-43

  Hofmann, Daniela I ^a   Fabian, Karl ^a,b  

^a UNIVERSITY OF BREMEN   (Germany)

^b GEOLOGICAL SURVEY OF NORWAY   (Norway)

Author keywords

climate; paleomagnetism; relative paleointensity; sedimentary influence; South Atlantic

Indexed keywords

CLIMATE; PALEOMAGNETISM; RELATIVE PALEOINTENSITY; SEDIMENTARY INFLUENCE; SOUTH ATLANTIC;

EARTH (PLANET); GEOMAGNETISM; LITHOLOGY; MAGNETIC FIELDS; MAGNETIC MATERIALS; MAGNETIC PROPERTIES; MAGNETS; NATURAL RESOURCES MANAGEMENT; REMANENCE; SEDIMENTS; STRATIGRAPHY; SUBMARINE GEOLOGY; TROPICS;

SEDIMENTOLOGY;

MAGNETIC FIELD; MAGNETIC INTENSITY; MAGNETOSTRATIGRAPHY; MARINE SEDIMENT; NATURAL REMANENT MAGNETIZATION; PALEOMAGNETISM;

ATLANTIC OCEAN; ATLANTIC OCEAN (SOUTH);

FABIA;

EID: 67449099053     PISSN: 0012821X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.epsl.2009.03.043     Document Type: Article

References (32)

1. Bloemendal J., King J., Hall F., and Doh S.-J. Rock magnetism of late Neogene and Pleistocene deep-sea sediments: relationship to sediment source, diagenetic processes and sediment lithology. J. Geophys. Res. 97 B4 (1992) 4361-4375
2. 9Be record of geomagnetic moment variations over the last 300 ka from sedimentary cores of the Portuguese margin. Earth Planet. Sci. Lett. 275 (2004) 269-284
3. Dunlop D.J., and Argyle K.S. Thermoremanence, anhysteretic remanence and susceptibility of submicron magnetites: nonlinear field dependence and variation with grain size. J. Geophys. Res. 102 B9 (1997) 20199-20210
4. Fabian K. A linear theory of physical properties in inhomogeneous sediments and its application to relative paleointensity determination. eEarth Discuss. 1 (2006) 51-62
5. Franke C., Hofmann D., and von Dobeneck T. Does lithology influence the paleointensity record? A statistical analysis on South Atlantic pelagic sediments. Phys. Earth Planet. Inter. 147 (2004) 285-296
6. Fuller M. Geomagnetic field intensity, excursion, reversals and the 41.000-yr obliquity signal. Earth Planet. Sci. Lett. 245 (2006) 605-615
7. Funk J., von Dobeneck T., and Reitz A. Integrated rock magnetic and geochemical quantification of redoxomorphic iron mineral diagenesis in late quaternary sediments from the equatorial Atlantic. In: Wefer G., Mulitza S., and Ratmeyer V. (Eds). The South Atlantic in the Late Quaternary: reconstruction of material budgets and current systems (2004), Springer-Verlag, Berlin 237-260
8. Gee J., Cande S., Hildebrand J., Donnelly K., and Parker R. Geomagnetic intensity variations over the past 780 kyr obtained from near-seafloor anomalies. Nature 408 (2000) 827-832
9. Guyodo Y., and Valet J.-P. Global changes in the intensity of the Earth's magnetic field during the past 800 kyr. Nature 399 (1999) 249-252
10. Guyodo Y., and Valet J.-P. A comparison of relative paleointensity records of the Matuyama Chron for the period 0.75-1.25 ma. Phys. Earth Planet. Inter. 156 (2006) 205-212
11. Guyodo Y., Gaillot P., and Channell J. Wavelet analysis of relative geomagnetic paleointensity at ODP Site 983. Earth Planet. Sci. Lett. 184 (1999) 109-123
12. Hofmann D., and Fabian K. Rock-magnetic properties and relative paleointensity stack for the last 300 ka based on a stratigraphic network from the subtropical and subantarctic South Atlantic. Earth Planet. Sci. Lett. 260 (2007) 297-312
13. 18O. Earth Planet. Sci. Lett. 240 (2005) 694-709
14. 18O record. In: Berger A., Imbrie J., Hays J., Kukla G., and Saltzman B. (Eds). Milankovitch and Climate: Understanding the Response to Orbital Forcing (1984), Reidel Publishing, Dordrecht 269-305
15. Jansen J., van der Gaast S., Koster B., and Vaars A. CORTEX, a shipboard XRF-scanner for element analysis in split sediment cores. Mar. Geol. 151 (1998) 143-153
16. Johnson E.A., Murphy T., and Torreson O.W. Pre-history of the earths magnetic field. Terr. Magn. Atmos. Electr. 53 (1948) 349-372
17. Katari S., and Bloxham J. Effects of sediment aggregate size on drm intensity: a new theory. Earth Planet. Sci. Lett. 186 (2001) 113-122
18. Katari K., Tauxe L., and King J. A reassessment of post-depositional remanent magnetism: preliminary experiments with natural sediments. Earth Planet. Sci. Lett. 183 (2000) 147-160
19. King J.W., Banerjee S.K., and Marvin J.A. A new rock magnetic approach to selecting sediments for geomagnetic paleointensity studies: application to paleointensity for the last 4000 years. J. Geophys. Res. 88 (1983) 5911-5921
20. Levi S., and Banerjee S.K. On the possibility of obtaining relative paleointensities from lake sediments. Earth Planet. Sci. Lett. 29 (1976) 219-226
21. 18O records. Paleoceanography 20 (2005) 10.1029/2004PA001071
22. Lund S., Stoner J., Channell J., and Acton G. A summary of Brunhes paleomagnetic field variability recorded in Ocean Drilling Program cores. Phys. Earth Planet. Inter. 156 (2006) 194-204
23. Martinson D., Pisias N., Hays J., Imbrie Jr. J., T. M., and Shackleton N. Age dating and the orbital theory of the Ice Ages: development of a high-resolution 0 to 300.000-year chronostratigraphy. Quat. Res. 27 (1987) 1-29
24. Mazaud A. A first-order correction to minimize environmental influence in sedimentary records of relative paleointensity of the geomagnetic field. Geochem. Geophys. Geosyst. 7 (2006) Q07002 10.1029/2006GC001257
25. Tauxe L. Sedimentary records of relative paleointensity: theory and practice. Rev. Geophys. 31 (1993) 319-354
26. Thouveny N., Bourls D., Saracco G., Carcaillet J., and Bassinot F. Paleoclimatic context of geomagnetic dipole lows and excursions in the Brunhes, clue for an orbital influence on the geodynamo. Earth Planet. Sci. Lett. 275 (2008) 269-284
27. Valet J.-P. Time variations in geomagnetic intensity. Rev. Geophys. 41 (2003) 1-44
28. von Dobeneck T., and Schmieder F. Using rock magnetic proxy records for orbital tuning and extended time series analyses into the super- and sub-Milankovitch Bands. In: Fischer G., and Wefer G. (Eds). Use of Proxies in Paleoceanography: Examples from the South Atlantic (1999), Springer-Verlag, Berlin 601-633
29. Wefer G., and cruise participants. Report and preliminary results of Meteor Cruise M46/4, Mar del Plata (Argentinia)-Salvador da Bahia (Brazil), February 10-March 13, 2000. With partial results of Meteor cruise M46/2 (2001), Universität Bremen, Berichte, FB Geowissenschaften 173
30. Williams T., Thouveny N., and Creer K. A normalised intensity record from Lac du Bouchet: geomagnetic palaeointensity for the last 300 kyr?. Earth Planet. Sci. Lett. 156 (1998) 33-46
31. Witt A., Fabian K., and Bleil U. Three-dimensional micromagnetic calculations for naturally shaped magnetite: octahedra and magnetosomes. Earth Planet. Sci. Lett. 233 (2005) 311-324
32. Yamazaki T. Magnetostatic interactions in deep-sea sediments inferred from first-order reversal curve diagrams: implications for relative paleointensity normalization. Geochem. Geophys. Geosyst. 9 2 (2008) Q02005 10.1029/2007GC001797