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Article: Eocene-Miocene magnetostratigraphy of the southeast Greenland Margin and western Irminger Basin

TitleEocene-Miocene magnetostratigraphy of the southeast Greenland Margin and western Irminger Basin
Authors
Issue Date1998
PublisherTexas A&M University, Ocean Drilling Program. The Journal's web site is located at http://www-odp.tamu.edu/publications/
Citation
Proceedings Of The Ocean Drilling Program: Scientific Results, 1998, v. 152, p. 253-257 How to Cite?
AbstractShore-based paleomagnetic investigations were conducted on Eocene-Miocene sediments recovered during Ocean Drilling Program Leg 152 drilling of the southeast Greenland Margin and the western Irminger Basin. A total of 147 specimens was analyzed. In general, the magnetostratigraphy obtained from the shipboard whole-core magnetometer studies (spot demagnetization at 25 mT) has been confirmed. However, a number of specimens yielded polarities different from those obtained by the shipboard magnetometer, calling for some caution in the interpretation of the magnetostratigraphy. During Leg 152, it proved difficult to correlate the polarity records with the geomagnetic polarity time scale because of core recovery and the limited biostratigraphic information available at the time. Since then, the shore-based biostratigraphic studies have yielded many datum points useful for correlating the refined magnetozone sequences to the polarity time scale. In terms of seaward dipping reflector formation, the new data are particularly valuable in determining their subsidence history. At Sites 915 and 917, close to the southeast Greenland ocean/continent transition, intervals of 13 m.y. and 4 m.y., respectively, elapsed before marine sedimentation commenced. Sedimentation at Site 918, in the western part of the Irminger Basin, commenced almost immediately after seaward dipping reflector formation at about 54 Ma.
Persistent Identifierhttp://hdl.handle.net/10722/151005
ISSN
2010 SCImago Journal Rankings: 0.355

 

DC FieldValueLanguage
dc.contributor.authorAli, JRen_US
dc.contributor.authorVandamme, Den_US
dc.date.accessioned2012-06-26T06:15:43Z-
dc.date.available2012-06-26T06:15:43Z-
dc.date.issued1998en_US
dc.identifier.citationProceedings Of The Ocean Drilling Program: Scientific Results, 1998, v. 152, p. 253-257en_US
dc.identifier.issn0884-5891en_US
dc.identifier.urihttp://hdl.handle.net/10722/151005-
dc.description.abstractShore-based paleomagnetic investigations were conducted on Eocene-Miocene sediments recovered during Ocean Drilling Program Leg 152 drilling of the southeast Greenland Margin and the western Irminger Basin. A total of 147 specimens was analyzed. In general, the magnetostratigraphy obtained from the shipboard whole-core magnetometer studies (spot demagnetization at 25 mT) has been confirmed. However, a number of specimens yielded polarities different from those obtained by the shipboard magnetometer, calling for some caution in the interpretation of the magnetostratigraphy. During Leg 152, it proved difficult to correlate the polarity records with the geomagnetic polarity time scale because of core recovery and the limited biostratigraphic information available at the time. Since then, the shore-based biostratigraphic studies have yielded many datum points useful for correlating the refined magnetozone sequences to the polarity time scale. In terms of seaward dipping reflector formation, the new data are particularly valuable in determining their subsidence history. At Sites 915 and 917, close to the southeast Greenland ocean/continent transition, intervals of 13 m.y. and 4 m.y., respectively, elapsed before marine sedimentation commenced. Sedimentation at Site 918, in the western part of the Irminger Basin, commenced almost immediately after seaward dipping reflector formation at about 54 Ma.en_US
dc.languageengen_US
dc.publisherTexas A&M University, Ocean Drilling Program. The Journal's web site is located at http://www-odp.tamu.edu/publications/en_US
dc.relation.ispartofProceedings of the Ocean Drilling Program: Scientific Resultsen_US
dc.titleEocene-Miocene magnetostratigraphy of the southeast Greenland Margin and western Irminger Basinen_US
dc.typeArticleen_US
dc.identifier.emailAli, JR: jrali@hku.hken_US
dc.identifier.authorityAli, JR=rp00659en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.scopuseid_2-s2.0-0032428015en_US
dc.identifier.hkuros33710-
dc.identifier.volume152en_US
dc.identifier.spage253en_US
dc.identifier.epage257en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridAli, JR=7102266465en_US
dc.identifier.scopusauthoridVandamme, D=6701922380en_US
dc.customcontrol.immutablesml 130313-

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