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| Titel |
{Survey on Caspian sea-level fluctuation using Magnetic Susceptibility of deposits} |
| VerfasserIn |
S. Haghani, A. Amini, S. Leroy, H. Alizadeh-Lahijani, V. Tavakoli |
| Konferenz |
EGU General Assembly 2009
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 11 (2009) |
| Datensatznummer |
250022910
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| Zusammenfassung |
| Cores with around 2m long were taken at 7 stations (50-410 m water depths) in the offshore
regions of the southern Caspian Sea and analyzed for particle size, carbonate and organic
matter content, radionuclide dating and magnetic susceptibility. The sediments that marked
by alternation of black and gray layers, ranged from fine silt to clay with moderately enriched
organic matter levels (avg. 2.5%). The carbonate materials are the main components with
average of 18.24%. Based on radionuclide dating, sedimentation rate estimated 1.6 cm per
year. In general, variations in magnetic susceptibility (MS) magnitude within sequence
represent changes in the rate of detrital fractions supply to the marine system that controlled
by sea-level fluctuation. In this survey on sea-level fluctuation has been done using
magnetic susceptibility in sediments. Results from this study indicate that MS as an
affective approach offer insights into the general character of sea level fluctuation. |
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