Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/4019
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dc.contributor.authorallRoberts, A. P.; Southampton Oceanography Centre, Southampton, UKen
dc.contributor.authorallJiang, W.-T.; Department of Earth Sciences, National Cheng Kung University, Tainan, Taiwanen
dc.contributor.authorallFlorindo, F.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.authorallHorng, C.-S.; Institute of Earth Sciences, Academia Sinica, Taipei, Taiwanen
dc.contributor.authorallLaj, C.; Laboratoire des Sciences du Climat et de l’Environnement (LSCE), Gif-sur-Yvette, Franceen
dc.date.accessioned2008-08-28T14:19:28Zen
dc.date.available2008-08-28T14:19:28Zen
dc.date.issued2005en
dc.identifier.urihttp://hdl.handle.net/2122/4019en
dc.description.abstractThe Crostolo River section in Italy yielded a detailed record of the Upper Olduvai geomagnetic polarity transition that has been used to support the hypothesis of deep mantle control on the transitional geomagnetic field. The paleomagnetic record is carried by the authigenic iron sulphide, greigite, which was interpreted to have formed shortly after deposition. Our detailed scanning electron microscope investigations indicate the presence of at least 3 generations of pyrite, which usually forms with greigite as a precursor. This suggests that the total magnetization is a complex composite that produced a smoothed record of transitional field behaviour.en
dc.language.isoEnglishen
dc.publisher.nameAGUen
dc.relation.ispartofGeophysical Research Lettersen
dc.relation.ispartofseries/ 32 (2005)en
dc.subjectgreigiteen
dc.subjectUpper Olduvai polarity transitionen
dc.subjectCrostolo riveren
dc.titleAssessing the timing of greigite formation and the reliability of the Upper Olduvai polarity transition record from the Crostolo River, Italyen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumberL05307en
dc.subject.INGV04. Solid Earth::04.05. Geomagnetism::04.05.02. Geomagnetic field variations and reversalsen
dc.subject.INGV04. Solid Earth::04.05. Geomagnetism::04.05.06. Paleomagnetismen
dc.subject.INGV04. Solid Earth::04.05. Geomagnetism::04.05.07. Rock magnetismen
dc.identifier.doi10.1029/2004GL022137en
dc.relation.referencesBenning, L. G., R. T. Wilkin, and H. L. Barnes (2000), Reaction pathways in the Fe-S system below 100 C, Chem. Geol., 167, 25–51. Canfield, D. E., R. Raiswell, and S. Bottrell (1992), The reactivity of sedimentary iron minerals toward sulfide, Am. J. Sci., 292, 659–683. Cutter, G. A., and R. S. Kluckhohn (1999), The cycling of particulate carbon, nitrogen, sulfur, and sulfur species (iron monosulfide, greigite, pyrite, and organic sulfur) in the water columns of Framvaren Fjord and the Black Sea, Mar. Chem., 67, 149–160. Florindo, F., and L. Sagnotti (1995), Palaeomagnetism and rock magnetism at the upper Pliocene Valle Ricca (Rome, Italy) section, Geophys. J. Int., 123, 340– 354. Horng, C. S., M. Torii, K. S. Shea, and S. J. Kao (1998), Inconsistent magnetic polarities between greigite- and pyrrhotite/magnetite-bearing marine sediments from the Tsailiao-chi section, southwestern Taiwan, Earth Planet. Sci. Lett., 164, 467–481. Jiang, W. T., C. S. Horng, A. P. Roberts, and D. R. Peacor (2001), Contradictory magnetic polarities in sediments and variable timing of neoformation of authigenic greigite, Earth Planet. Sci. Lett., 193, 1 –12. Laj, C., A. Mazaud, R. Weeks, M. Fuller, and E. Herrero-Bervera (1991), Geomagnetic reversal paths, Nature, 351, 447. Liu, J., R. X. Zhu, A. P. Roberts, S. Q. Li, and J. H. Chang (2004), Highresolution analysis of early diagenetic effects on magnetic minerals in post-middle-Holocene continental shelf sediments from the Korea Strait, J. Geophys. Res., 109, B03103, doi:10.1029/2003JB002813. Pye, K. (1981), Marshrock formed by iron sulphide and siderite cementation in saltmarsh sediments, Nature, 294, 650– 652. Raiswell, R. (1982), Pyrite texture, isotopic composition and the availability of iron, Am. J. Sci., 282, 1244–1263. Reynolds, R. L.,M. L. Tuttle, C. A. Rice, N. S. Fishman, J. A. Karachewski, and D. M. Sherman (1994), Magnetization and geochemistry of greigite-bearing Cretaceous strata, North Slope basin, Alaska, Am. J. Sci., 294, 485– 528. Reynolds, R. L., J. G. Rosenbaum, P. van Metre, M. Tuttle, E. Callender, and A. Goldin (1999), Greigite as an indicator of drought — The 1912–1994 sediment magnetic record from White Rock Lake, Dallas, Texas, USA, J. Paleolimnol., 21, 193– 206. Roberts, A. P. (1995), Magnetic properties of sedimentary greigite (Fe3S4), Earth Planet. Sci. Lett., 134, 227–236. Roberts, A. P., and G. M. Turner (1993), Diagenetic formation of ferrimagnetic iron sulphide minerals in rapidly deposited marine sediments, South Island, New Zealand, Earth Planet. Sci. Lett., 115, 257–273. Roberts, A. P., and R. Weaver (2005), Multiple mechanisms of remagnetization involving sedimentary greigite (Fe3S4), Earth Planet. Sci. Lett., 231, 263– 277. Sweeney, R. E., and I. R. Kaplan (1973), Pyrite framboid formation: Laboratory synthesis and marine sediments, Econ. Geol., 68, 618–634. Tric, E., C. Laj, C. Jehanno, J.-P. Valet, C. Kissel, A. Mazaud, and S. Iaccarino (1991), High-resolution record of the Upper Olduvai transition from Po Valley (Italy) sediments: Support for dipolar transition geometry?, Phys. Earth Planet. Inter., 65, 319– 336.en
dc.description.obiettivoSpecifico2.2. Laboratorio di paleomagnetismoen
dc.description.journalTypeJCR Journalen
dc.description.fulltextreserveden
dc.contributor.authorRoberts, A. P.en
dc.contributor.authorJiang, W.-T.en
dc.contributor.authorFlorindo, F.en
dc.contributor.authorHorng, C.-S.en
dc.contributor.authorLaj, C.en
dc.contributor.departmentSouthampton Oceanography Centre, Southampton, UKen
dc.contributor.departmentDepartment of Earth Sciences, National Cheng Kung University, Tainan, Taiwanen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italiaen
dc.contributor.departmentInstitute of Earth Sciences, Academia Sinica, Taipei, Taiwanen
dc.contributor.departmentLaboratoire des Sciences du Climat et de l’Environnement (LSCE), Gif-sur-Yvette, Franceen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptNational Oceanography Centre, University of Southampton, European Way, Southampton SO14 3ZH, UK-
crisitem.author.deptDepartment of Earth Sciences, National Cheng Kung University, Tainan, Taiwan-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione AC, Roma, Italia-
crisitem.author.deptInstitute of Earth Sciences, Academia Sinica, Taipei, Taiwan-
crisitem.author.deptCentres des Faibles Radioactivites CNRS-CEA, Gif Sur Yvette, France-
crisitem.author.orcid0000-0002-6058-9748-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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