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Geochemical indices of fine sediment transport, northwest Gulf of Mexico.

Journal of Sedimentary Petrology

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Abstract

The 210Pb distribution, the clay mineralogy distribution, and the distribution of three trace metals, Ba, Pb, and Mn, in the sediments of the south Texas shelf are related to the dynamics of the sedimentary transport process. 210Pb, whose concentration is time dependent, defines three loci of recent sediment accumulations. The variation of 210Pb activity at the sediment-water interface delineates areas of terrestrial sedimentation from hemipelagic sedimentation. Ba tags sediment movement from areas of hydrocarbon exploration. Pb concentrations tag the sediment derived from metropolitan complexes. Mn is concentrated in areas of very slow sediment accumulation. A model of sediment transport and deposition which relates currents, wind, tides, sediment flux, and precipitation has been formulated. -from Author

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Geochemical indices of fine sediment transport, northwest Gulf of Mexico.
Series title:
Journal of Sedimentary Petrology
Volume
52
Issue:
1
Year Published:
1982
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Sedimentary Petrology
First page:
307
Last page:
321