Provenance of Pliocene sediments and paleoenvironmental changes in the southern North Sea region using Samarium–Neodymium (Sm/Nd) provenance ages and clay mineralogy

Provenance of Pliocene sediments and paleoenvironmental changes in the southern North Sea region using Samarium–Neodymium (Sm/Nd) provenance ages and clay mineralogy

An 800-m-thick sedimentary succession from the Late Pliocene North Sea has been investigated on the provenance of the sediments and on changes of the source regions related to transport processes and climate changes. The lower Zanclean to Piacenzian part of the succession, from 1250 to 1050 m depth,...

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Veröffentlicht in:Sedimentary geology 2004-10, Vol.171 (1), p.205-226
Hauptverfasser: Kuhlmann, Gesa, de Boer, Poppe L., Pedersen, Rolf B., Wong, Theo E.
Format: Artikel
Sprache:eng
Schlagworte:
Clay mineralogy
North Sea
Paleo-environment
Pliocene
Provenance
Sm/Nd isotopes
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Beschreibung
Zusammenfassung:An 800-m-thick sedimentary succession from the Late Pliocene North Sea has been investigated on the provenance of the sediments and on changes of the source regions related to transport processes and climate changes. The lower Zanclean to Piacenzian part of the succession, from 1250 to 1050 m depth, and the middle Early Gelasian part, from 1100 to 700 m depth, belong to one distributory system with at least two contributing source areas. Provenance ages calculated on basis of Sm/Nd content indicate one old (Archean) and one young (
ISSN:0037-0738
1879-0968
DOI:10.1016/j.sedgeo.2004.05.016