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  4. Chemostratigraphy - A tool for understanding transport processes at the continental margin off West-Africa
 
Zitierlink URN
https://nbn-resolving.de/urn:nbn:de:gbv:46-00102286-19

Chemostratigraphy - A tool for understanding transport processes at the continental margin off West-Africa

Veröffentlichungsdatum
2010-03-29
Autoren
Schnieders, Luzie  
Betreuer
Schulz, Horst D.  
Gutachter
Kasten, Sabine  
Zusammenfassung
Continental margins as complex interfaces between continents and ocean basins, display a variety of gravity-driven depositional environments. Understanding the interaction of external and internal control mechanisms of sediment transport processes in these environments is important in order to reconstruct their sedimentary history. This study focuses on the geochemical imprints left in the sediment material and its corresponding fluid phase by gravity-driven sediment events and transport processes. High resolution geochemical investigations of the sediments and their fluids provide a detailed characterization of the material allowing conclusions on possible changes in the depositional environment and the related processes. The chemical composition of pore water may document recent changes in the sedimentation pattern caused by slide events. Modeling fluid concentration profiles helps estimating the event age. Geochemical fingerprinting of turbidites in a chemostratigraphic approach provides a more precise characterization of sediments and corresponding sources, and help facilitate reconstruction of transport pathways.
Schlagwörter
submarine canyons

; 

turbidites

; 

pore water

; 

slides

; 

chemostratigraphy

; 

discriminant function analysis
Institution
Universität Bremen  
Fachbereich
Fachbereich 05: Geowissenschaften (FB 05)  
Dokumenttyp
Dissertation
Zweitveröffentlichung
Nein
Sprache
Englisch
Dateien
Lade...
Vorschaubild
Name

00102286-1.pdf

Size

4.08 MB

Format

Adobe PDF

Checksum

(MD5):e7ef395b931014324637a854f4c7bbb6

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